1.
Tassili (album)
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Tassili is the fifth album by the Tuareg-Berber band Tinariwen, recorded in Tassili nAjjer, an Algerian national park. The album marked a departure from previous recordings. The producer, Ian Brennan, stated that it was the least overdubbed, most live, band-centric and song-oriented record they have done. ”The album was recorded during a session in the rocky desert near Djanet. It was this region from which the group derived the albums name. The plateau served as a location to record the album after Tessalit. It was during this time that the founding members first came to play together as political exiles in tents. The rehearsals for and recording of the album was conducted in similar way to those original performances and we wanted to go back to our origins, to the experience of … Those were times when we would sit around a campfire, singing songs and passing around a guitar. Tinariwen was born in that movement, in atmosphere, so what you hear on ‘Tassili’ is the feeling of ishumar. The album was compiled and mixed by David Odlum at Studio Soyuz in Paris during February,2011 and it was mastered by John Golden at the Golden Mastering recording studio in Ventura, California during April 2011. A two-disc special edition includes a disc with the tracks Djegh Ishilan, El Huria Telitwar, Kud Edazamin. Gregory Davis and Roger Lewis of the Dirty Dozen Brass Band performed arrangements by Ian Brennan, which contributed to the fourth track, Ya Messinagh. Kyp Malone and Tunde Adebimpe from the American art rock band, TV on the Radio, traveled to the recording site to contribute backing harmonies on five tracks. Malone and Adebimpe spent eight days with Tinariwen in Mali to record the album and they first met Tinariwen two years ago at the Coachella festival in California when the two bands were on the same bill. Nels Cline, the guitarist from the American alternative rock band Wilco, played on the first track, elysa Gardner of USA Today gave the album 2.5 stars out of 4. At Metacritic, which assigns a rating out of 100 to reviews from mainstream critics. Uncut placed the album at number 18 on its list of the top 50 albums of 2011, mojo placed the album at number 35 on its list of Top 50 albums of 2011. On 12 February 2012, the album won a Grammy Award in the Best World Music Album category
2.
World Heritage Site
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A World Heritage Site is a landmark which has been officially recognized by the United Nations, specifically by the United Nations Educational, Scientific and Cultural Organization. Sites are selected on the basis of having cultural, historical, scientific or some form of significance. UNESCO regards these sites as being important to the interests of humanity. The programme catalogues, names, and conserves sites of outstanding cultural or natural importance to the common culture, under certain conditions, listed sites can obtain funds from the World Heritage Fund. The program was founded with the Convention Concerning the Protection of the Worlds Cultural and Natural Heritage, since then,192 state parties have ratified the convention, making it one of the most adhered to international instruments. As of July 2016,1052 sites are listed,814 cultural,203 natural, in 1959, the governments of Egypt and Sudan requested UNESCO to assist their countries to protect and rescue the endangered monuments and sites. In 1960, the Director-General of UNESCO launched an appeal to the Member States for an International Campaign to Save the Monuments of Nubia, the campaign, which ended in 1980, was considered a success. The project cost $80 million, about $40 million of which was collected from 50 countries, the projects success led to other safeguarding campaigns, saving Venice and its lagoon in Italy, the ruins of Mohenjo-daro in Pakistan, and the Borobodur Temple Compounds in Indonesia. UNESCO then initiated, with the International Council on Monuments and Sites, the United States initiated the idea of cultural conservation with nature conservation. The International Union for Conservation of Nature developed similar proposals in 1968, the Convention came into force on 17 December 1975. As of June 2016, it has been ratified by 192 states, including 188 UN member states plus the Cook Islands, the Holy See, Niue, a country must first list its significant cultural and natural sites, the result is called the Tentative List. A country may not nominate sites that have not been first included on the Tentative List, next, it can place sites selected from that list into a Nomination File. The Nomination File is evaluated by the International Council on Monuments and Sites and these bodies then make their recommendations to the World Heritage Committee. There are ten selection criteria – a site must meet at least one of them to be included on the list, up to 2004, there were six criteria for cultural heritage and four criteria for natural heritage. In 2005, this was modified so there is now only one set of ten criteria. Nominated sites must be of outstanding value and meet at least one of the ten criteria. Thus, the Geneva Convention treaty promulgates, Article 53, PROTECTION OF CULTURAL OBJECTS AND OF PLACES OF WORSHIP. There are 1,052 World Heritage Sites located in 165 States Party, of these,814 are cultural,203 are natural and 35 are mixed properties
3.
Geographic coordinate system
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A geographic coordinate system is a coordinate system used in geography that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are chosen such that one of the numbers represents a vertical position. A common choice of coordinates is latitude, longitude and elevation, to specify a location on a two-dimensional map requires a map projection. The invention of a coordinate system is generally credited to Eratosthenes of Cyrene. Ptolemy credited him with the adoption of longitude and latitude. Ptolemys 2nd-century Geography used the prime meridian but measured latitude from the equator instead. Mathematical cartography resumed in Europe following Maximus Planudes recovery of Ptolemys text a little before 1300, in 1884, the United States hosted the International Meridian Conference, attended by representatives from twenty-five nations. Twenty-two of them agreed to adopt the longitude of the Royal Observatory in Greenwich, the Dominican Republic voted against the motion, while France and Brazil abstained. France adopted Greenwich Mean Time in place of local determinations by the Paris Observatory in 1911, the latitude of a point on Earths surface is the angle between the equatorial plane and the straight line that passes through that point and through the center of the Earth. Lines joining points of the same latitude trace circles on the surface of Earth called parallels, as they are parallel to the equator, the north pole is 90° N, the south pole is 90° S. The 0° parallel of latitude is designated the equator, the plane of all geographic coordinate systems. The equator divides the globe into Northern and Southern Hemispheres, the longitude of a point on Earths surface is the angle east or west of a reference meridian to another meridian that passes through that point. All meridians are halves of great ellipses, which converge at the north and south poles, the prime meridian determines the proper Eastern and Western Hemispheres, although maps often divide these hemispheres further west in order to keep the Old World on a single side. The antipodal meridian of Greenwich is both 180°W and 180°E, the combination of these two components specifies the position of any location on the surface of Earth, without consideration of altitude or depth. The grid formed by lines of latitude and longitude is known as a graticule, the origin/zero point of this system is located in the Gulf of Guinea about 625 km south of Tema, Ghana. To completely specify a location of a feature on, in, or above Earth. Earth is not a sphere, but a shape approximating a biaxial ellipsoid. It is nearly spherical, but has an equatorial bulge making the radius at the equator about 0. 3% larger than the radius measured through the poles, the shorter axis approximately coincides with the axis of rotation
4.
Berber languages
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Berber or the Berber languages or the Amazigh language are a family of similar and closely related languages and dialects indigenous to North Africa. Large Berber-speaking migrant communities, numbering today about 4 million, have been living in Western Europe, about half of this population was born in Europe. Berber constitutes a branch of the Afroasiatic language family, and has been attested since ancient times, the number of Berbers is much higher than the number of Berber speakers. The bulk of the populations of the Maghreb countries are considered to have Berber ancestors, in Algeria, for example, a majority of the population consists of Arabized Berbers. There is a cultural and political movement among speakers of the closely related varieties of Northern Berber to promote and unify them under a standard language, called. The name Tamaziɣt is the current native name of the Berber language in the Moroccan Middle-Atlas region, the Rif regions, in other Berber-speaking area this name was lost. There is historical evidence, from medieval Berber manusctipts, that all native North Africans from Libya to Morocco have called their language, Tamaziɣt. The name Tamaziɣt is currently being used by educated Berbers to refer to the written Berber language. Around 90 percent of the Berber-speaking population speak one of six major varieties of Berber and they are, in the order of demographic weight, Tashelhit, Kabyle, Atlas Tamazight, Riffian, Shawi and Tuareg. The Berber languages and dialects have had a tradition, on and off, for about 2,500 years, although the tradition has been frequently disrupted by cultural shifts. They were first written in the Libyco-Berber and Tifinagh abjad, still used by the Tuareg, the oldest dated inscription is from about 200 BCE. The Berber Latin alphabet was used by most European and Berber linguists during the 19th and 20th centuries. In the 19th and 20th century European and native Berber linguists, a modernized form of the Tifinagh alphabet, called Neo-Tifinagh, was adopted in Morocco in 2003 for writing Berber, but many Moroccan Berber publications still use the Berber Latin alphabet. Algerians mostly use the Berber Latin alphabet in Berber language education at public schools, Mali and Niger recognize a Tuareg-Berber Latin alphabet customized to the Tuareg phonological system. However, traditional Tifinagh is still used in those countries, the term Berber has been used in Europe since at least the 17th century, and is still used today. It was borrowed from Latin Barbari, the Latin word is also found in the Arabic designation for these populations, البربر, al-Barbar, see names of the Berber people. Etymologically, the Berber root Mazigh means free man, noble man, the feminine Tamazight traditionally referred specifically to the Riffian and Central Atlas Tamazight languages. European languages distinguish between the words Berber and barbaric, while Arabic has the same word al-barbari for both meanings, some other Berber writers, especially in Morocco, prefer to refer to Berber with Amazigh when writing about it in French or English
5.
Arabic
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Arabic is a Central Semitic language that was first spoken in Iron Age northwestern Arabia and is now the lingua franca of the Arab world. Arabic is also the language of 1.7 billion Muslims. It is one of six languages of the United Nations. The modern written language is derived from the language of the Quran and it is widely taught in schools and universities, and is used to varying degrees in workplaces, government, and the media. The two formal varieties are grouped together as Literary Arabic, which is the language of 26 states. Modern Standard Arabic largely follows the standards of Quranic Arabic. Much of the new vocabulary is used to denote concepts that have arisen in the post-Quranic era, Arabic has influenced many languages around the globe throughout its history. During the Middle Ages, Literary Arabic was a vehicle of culture in Europe, especially in science, mathematics. As a result, many European languages have borrowed many words from it. Many words of Arabic origin are found in ancient languages like Latin. Balkan languages, including Greek, have acquired a significant number of Arabic words through contact with Ottoman Turkish. Arabic has also borrowed words from languages including Greek and Persian in medieval times. Arabic is a Central Semitic language, closely related to the Northwest Semitic languages, the Ancient South Arabian languages, the Semitic languages changed a great deal between Proto-Semitic and the establishment of the Central Semitic languages, particularly in grammar. Innovations of the Central Semitic languages—all maintained in Arabic—include, The conversion of the suffix-conjugated stative formation into a past tense, the conversion of the prefix-conjugated preterite-tense formation into a present tense. The elimination of other prefix-conjugated mood/aspect forms in favor of new moods formed by endings attached to the prefix-conjugation forms, the development of an internal passive. These features are evidence of descent from a hypothetical ancestor. In the southwest, various Central Semitic languages both belonging to and outside of the Ancient South Arabian family were spoken and it is also believed that the ancestors of the Modern South Arabian languages were also spoken in southern Arabia at this time. To the north, in the oases of northern Hijaz, Dadanitic and Taymanitic held some prestige as inscriptional languages, in Najd and parts of western Arabia, a language known to scholars as Thamudic C is attested
6.
Sahara
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The Sahara is the largest hot desert and the third largest desert in the world after Antarctica and the Arctic. Its area of 9,200,000 square kilometres is comparable to the area of the United States. The desert comprises much of North Africa, excluding the fertile region on the Mediterranean Sea coast, the Atlas Mountains of the Maghreb, and the Nile Valley in Egypt and Sudan. It stretches from the Red Sea in the east and the Mediterranean in the north to the Atlantic Ocean in the west, where the landscape gradually changes from desert to coastal plains. To the south, it is bounded by the Sahel, a belt of tropical savanna around the Niger River valley. The Sahara can be divided into several regions including, the western Sahara, the central Ahaggar Mountains, the Tibesti Mountains, the Aïr Mountains, the Ténéré desert, the name Sahara is derived from ṣaḥārā, the plural of the Arabic word for desert. The Sahara covers large parts of Algeria, Chad, Egypt, Libya, Mali, Mauritania, Morocco, Niger, Western Sahara, Sudan and it covers 9 million square kilometres, amounting to 31% of Africa. If all areas with an annual precipitation of less than 250 mm were included. It is one of three physiographic provinces of the African massive physiographic division. The Sahara is mainly rocky hamada, Ergs form only a minor part, wind or rare rainfall shape the desert features, sand dunes, dune fields, sand seas, stone plateaus, gravel plains, dry valleys, dry lakes, and salt flats. Unusual landforms include the Richat Structure in Mauritania, several deeply dissected mountains, many volcanic, rise from the desert, including the Aïr Mountains, Ahaggar Mountains, Saharan Atlas, Tibesti Mountains, Adrar des Iforas, and the Red Sea hills. The highest peak in the Sahara is Emi Koussi, a volcano in the Tibesti range of northern Chad. The central Sahara is hyperarid, with sparse vegetation, the northern and southern reaches of the desert, along with the highlands, have areas of sparse grassland and desert shrub, with trees and taller shrubs in wadis, where moisture collects. In the central, hyperarid region, there are subdivisions of the great desert, Tanezrouft, the Ténéré, the Libyan Desert, the Eastern Desert. These extremely arid areas often receive no rain for years, the northern limit also corresponds to the 100 mm isohyet of annual precipitation. To the south, the Sahara is bounded by the Sahel, the southern limit of the Sahara is indicated botanically by the southern limit of Cornulaca monacantha, or northern limit of Cenchrus biflorus, a grass typical of the Sahel. According to climatic criteria, the limit of the Sahara corresponds to the 150 mm isohyet of annual precipitation. The Sahara is the worlds largest low-latitude hot desert and this steady descending airflow causes a warming and a drying effect in the upper troposphere
7.
Algeria
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Algeria, officially the Peoples Democratic Republic of Algeria, is a sovereign state in North Africa on the Mediterranean coast. Its capital and most populous city is Algiers, located in the far north. With an area of 2,381,741 square kilometres, Algeria is the tenth-largest country in the world, the country is a semi-presidential republic consisting of 48 provinces and 1,541 communes. Abdelaziz Bouteflika has been President since 1999, Berbers are the indigenous inhabitants of Algeria. Algeria is a regional and middle power, the North African country supplies large amounts of natural gas to Europe, and energy exports are the backbone of the economy. According to OPEC Algeria has the 16th largest oil reserves in the world, Sonatrach, the national oil company, is the largest company in Africa. Algeria has one of the largest militaries in Africa and the largest defence budget on the continent, most of Algerias weapons are imported from Russia, with whom they are a close ally. Algeria is a member of the African Union, the Arab League, OPEC, the countrys name derives from the city of Algiers. The citys name in turn derives from the Arabic al-Jazāir, a form of the older Jazāir Banī Mazghanna. In the region of Ain Hanech, early remnants of hominid occupation in North Africa were found, neanderthal tool makers produced hand axes in the Levalloisian and Mousterian styles similar to those in the Levant. Algeria was the site of the highest state of development of Middle Paleolithic Flake tool techniques, tools of this era, starting about 30,000 BC, are called Aterian. The earliest blade industries in North Africa are called Iberomaurusian and this industry appears to have spread throughout the coastal regions of the Maghreb between 15,000 and 10,000 BC. Neolithic civilization developed in the Saharan and Mediterranean Maghreb perhaps as early as 11,000 BC or as late as between 6000 and 2000 BC and this life, richly depicted in the Tassili nAjjer paintings, predominated in Algeria until the classical period. The amalgam of peoples of North Africa coalesced eventually into a native population that came to be called Berbers. These settlements served as market towns as well as anchorages, as Carthaginian power grew, its impact on the indigenous population increased dramatically. Berber civilization was already at a stage in which agriculture, manufacturing, trade, by the early 4th century BC, Berbers formed the single largest element of the Carthaginian army. In the Revolt of the Mercenaries, Berber soldiers rebelled from 241 to 238 BC after being unpaid following the defeat of Carthage in the First Punic War. They succeeded in obtaining control of much of Carthages North African territory, the Carthaginian state declined because of successive defeats by the Romans in the Punic Wars
8.
UNESCO
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The United Nations Educational, Scientific and Cultural Organization is a specialized agency of the United Nations based in Paris. It is the heir of the League of Nations International Committee on Intellectual Cooperation, UNESCO has 195 member states and nine associate members. Most of its offices are cluster offices covering three or more countries, national and regional offices also exist. UNESCO pursues its objectives through five major programs, education, natural sciences, social/human sciences, culture and it is also a member of the United Nations Development Group. UNESCO and its mandate for international cooperation can be traced back to a League of Nations resolution on 21 September 1921, on 18 December 1925, the International Bureau of Education began work as a non-governmental organization in the service of international educational development. However, the work of predecessor organizations was largely interrupted by the onset of World War II. On 30 October 1943, the necessity for an organization was expressed in the Moscow Declaration, agreed upon by China, the United Kingdom, the United States. This was followed by the Dumbarton Oaks Conference proposals of 9 October 1944, a prominent figure in the initiative for UNESCO was Rab Butler, the Minister of Education for the United Kingdom. At the ECO/CONF, the Constitution of UNESCO was introduced and signed by 37 countries, the Preparatory Commission operated between 16 November 1945, and 4 November 1946—the date when UNESCOs Constitution came into force with the deposit of the twentieth ratification by a member state. The first General Conference took place between 19 November to 10 December 1946, and elected Dr. Julian Huxley to Director-General and this change in governance distinguished UNESCO from its predecessor, the CICI, in how member states would work together in the organizations fields of competence. In 1956, the Republic of South Africa withdrew from UNESCO claiming that some of the organizations publications amounted to interference in the racial problems. South Africa rejoined the organization in 1994 under the leadership of Nelson Mandela, UNESCOs early work in the field of education included the pilot project on fundamental education in the Marbial Valley, Haiti, started in 1947. This project was followed by missions to other countries, including, for example. In 1948, UNESCO recommended that Member States should make free primary education compulsory, in 1990, the World Conference on Education for All, in Jomtien, Thailand, launched a global movement to provide basic education for all children, youths and adults. Ten years later, the 2000 World Education Forum held in Dakar, Senegal, UNESCOs early activities in culture included, for example, the Nubia Campaign, launched in 1960. The purpose of the campaign was to move the Great Temple of Abu Simbel to keep it from being swamped by the Nile after construction of the Aswan Dam, during the 20-year campaign,22 monuments and architectural complexes were relocated. This was the first and largest in a series of campaigns including Mohenjo-daro, Fes, Kathmandu, Borobudur, the organizations work on heritage led to the adoption, in 1972, of the Convention concerning the Protection of the World Cultural and Natural Heritage. The World Heritage Committee was established in 1976 and the first sites inscribed on the World Heritage List in 1978, since then important legal instruments on cultural heritage and diversity have been adopted by UNESCO member states in 2003 and 2005
9.
Archaeology
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Archaeology, or archeology, is the study of human activity through the recovery and analysis of material culture. The archaeological record consists of artifacts, architecture, biofacts or ecofacts, Archaeology can be considered both a social science and a branch of the humanities. In North America, archaeology is considered a sub-field of anthropology, archaeologists study human prehistory and history, from the development of the first stone tools at Lomekwi in East Africa 3.3 million years ago up until recent decades. Archaeology as a field is distinct from the discipline of palaeontology, Archaeology is particularly important for learning about prehistoric societies, for whom there may be no written records to study. Prehistory includes over 99% of the human past, from the Paleolithic until the advent of literacy in societies across the world, Archaeology has various goals, which range from understanding culture history to reconstructing past lifeways to documenting and explaining changes in human societies through time. The discipline involves surveying, excavation and eventually analysis of data collected to learn more about the past, in broad scope, archaeology relies on cross-disciplinary research. Archaeology developed out of antiquarianism in Europe during the 19th century, Archaeology has been used by nation-states to create particular visions of the past. Nonetheless, today, archaeologists face many problems, such as dealing with pseudoarchaeology, the looting of artifacts, a lack of public interest, the science of archaeology grew out of the older multi-disciplinary study known as antiquarianism. Antiquarians studied history with attention to ancient artifacts and manuscripts. Tentative steps towards the systematization of archaeology as a science took place during the Enlightenment era in Europe in the 17th and 18th centuries, in Europe, philosophical interest in the remains of Greco-Roman civilization and the rediscovery of classical culture began in the late Middle Age. Antiquarians, including John Leland and William Camden, conducted surveys of the English countryside, one of the first sites to undergo archaeological excavation was Stonehenge and other megalithic monuments in England. John Aubrey was a pioneer archaeologist who recorded numerous megalithic and other monuments in southern England. He was also ahead of his time in the analysis of his findings and he attempted to chart the chronological stylistic evolution of handwriting, medieval architecture, costume, and shield-shapes. Excavations were also carried out in the ancient towns of Pompeii and Herculaneum and these excavations began in 1748 in Pompeii, while in Herculaneum they began in 1738. The discovery of entire towns, complete with utensils and even human shapes, however, prior to the development of modern techniques, excavations tended to be haphazard, the importance of concepts such as stratification and context were overlooked. The father of archaeological excavation was William Cunnington and he undertook excavations in Wiltshire from around 1798, funded by Sir Richard Colt Hoare. Cunnington made meticulous recordings of neolithic and Bronze Age barrows, one of the major achievements of 19th century archaeology was the development of stratigraphy. The idea of overlapping strata tracing back to successive periods was borrowed from the new geological and paleontological work of scholars like William Smith, James Hutton, the application of stratigraphy to archaeology first took place with the excavations of prehistorical and Bronze Age sites
10.
Prehistory
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Prehistory means literally before history, from the Latin word for before, præ, and Greek ιστορία. Neighbouring civilisations were the first to follow, most other civilisations reached the end of prehistory during the Iron Age. The period when a culture is written about by others, but has not developed its own writing is known as the protohistory of the culture. By definition, there are no records from human prehistory. Clear techniques for dating were not well-developed until the 19th century and this article is concerned with human prehistory as defined here above. There are separate articles for the history of the Earth. However, for the race as a whole, prehistory ends when recorded history begins with the accounts of the ancient world around the 4th millennium BC. For example, in Egypt it is accepted that prehistory ended around 3200 BC, whereas in New Guinea the end of the prehistoric era is set much more recently. The three-age system is the periodization of prehistory into three consecutive time periods, named for their respective predominant tool-making technologies, Stone Age Bronze Age Iron Age. The notion of prehistory began to surface during the Enlightenment in the work of antiquarians who used the word primitive to describe societies that existed before written records, the first use of the word prehistory in English, however, occurred in the Foreign Quarterly Review in 1836. The main source for prehistory is archaeology, but some scholars are beginning to more use of evidence from the natural and social sciences. This view has been articulated by advocates of deep history, human population geneticists and historical linguists are also providing valuable insight for these questions. Human prehistory differs from history not only in terms of its chronology, restricted to material processes, remains and artifacts rather than written records, prehistory is anonymous. Because of this, reference terms that use, such as Neanderthal or Iron Age are modern labels with definitions sometimes subject to debate. Palaeolithic means Old Stone Age, and begins with the first use of stone tools, the Paleolithic is the earliest period of the Stone Age. The early part of the Palaeolithic is called the Lower Palaeolithic, evidence of control of fire by early humans during the Lower Palaeolithic Era is uncertain and has at best limited scholarly support. The most widely accepted claim is that H. erectus or H. ergaster made fires between 790,000 and 690,000 BP in a site at Bnot Yaakov Bridge, Israel. The use of fire enabled early humans to cook food, provide warmth, Early Homo sapiens originated some 200,000 years ago, ushering in the Middle Palaeolithic
11.
Rock art
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In archaeology, rock art is human-made markings placed on natural stone, it is largely synonymous with parietal art. A global phenomenon, rock art is found in many diverse regions of the world. It has been produced in many contexts throughout history, although the majority of rock art that has been ethnographically recorded has been produced as a part of ritual. Such artworks are often divided into three forms, petroglyphs, which are carved into the surface, pictographs, which are painted onto the surface. The oldest known rock art dates from the Upper Palaeolithic period, having found in Europe, Australia, Asia. Archaeologists studying these artworks believe that they likely had magico-religious significance, Rock art continues to be of importance to indigenous peoples in various parts of the world, who view them as both sacred items and significant components of their cultural patrimony. Such archaeological sites are significant sources of cultural tourism, and have been utilised in popular culture for their aesthetic qualities. Normally found in cultures, a rock relief or rock-cut relief is a relief sculpture carved on solid or living rock such as a cliff. They are a category of art, and sometimes found in conjunction with rock-cut architecture. However, they tend to be omitted in most works on rock art, a few such works exploit the natural contours of the rock and use them to define an image, but they do not amount to man-made reliefs. Rock reliefs have been made in many cultures, and were important in the art of the Ancient Near East. Rock reliefs are generally large, as they need to be to make an impact in the open air. Most have figures that are over life-size, and in many the figures are multiples of life-size, the vertical relief is most common, but reliefs on essentially horizontal surfaces are also found. The term typically excludes relief carvings inside caves, whether natural or themselves man-made, natural rock formations made into statues or other sculpture in the round, most famously at the Great Sphinx of Giza, are also usually excluded. Reliefs on large boulders left in their location, like the Hittite İmamkullu relief, are likely to be included. The term rock art appears in the literature as early as the 1940s. It has also described as rock carvings, rock drawings, rock engravings, rock inscriptions, rock paintings, rock pictures. The defining characteristic of rock art is that it is placed on natural rock surfaces, as such, rock art is a form of landscape art, and includes designs that have been placed on boulder and cliff faces, cave walls and ceilings, and on the ground surface
12.
Neolithic
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It ended when metal tools became widespread. The Neolithic is a progression of behavioral and cultural characteristics and changes, including the use of wild and domestic crops, the beginning of the Neolithic culture is considered to be in the Levant about 10, 200–8800 BC. It developed directly from the Epipaleolithic Natufian culture in the region, whose people pioneered the use of wild cereals, which then evolved into true farming. The Natufian period was between 12,000 and 10,200 BC, and the so-called proto-Neolithic is now included in the Pre-Pottery Neolithic between 10,200 and 8800 BC. By 10, 200–8800 BC, farming communities arose in the Levant and spread to Asia Minor, North Africa, Mesopotamia is the site of the earliest developments of the Neolithic Revolution from around 10,000 BC. Early Neolithic farming was limited to a range of plants, both wild and domesticated, which included einkorn wheat, millet and spelt, and the keeping of dogs, sheep. By about 6900–6400 BC, it included domesticated cattle and pigs, the establishment of permanently or seasonally inhabited settlements, not all of these cultural elements characteristic of the Neolithic appeared everywhere in the same order, the earliest farming societies in the Near East did not use pottery. Early Japanese societies and other East Asian cultures used pottery before developing agriculture, unlike the Paleolithic, when more than one human species existed, only one human species reached the Neolithic. The term Neolithic derives from the Greek νέος néos, new and λίθος líthos, stone, the term was invented by Sir John Lubbock in 1865 as a refinement of the three-age system. In the Middle East, cultures identified as Neolithic began appearing in the 10th millennium BC, early development occurred in the Levant and from there spread eastwards and westwards. Neolithic cultures are attested in southeastern Anatolia and northern Mesopotamia by around 8000 BC. The total excavated area is more than 1,200 square yards, the Neolithic 1 period began roughly 10,000 years ago in the Levant. A temple area in southeastern Turkey at Göbekli Tepe dated around 9500 BC may be regarded as the beginning of the period. This site was developed by nomadic tribes, evidenced by the lack of permanent housing in the vicinity. At least seven stone circles, covering 25 acres, contain limestone pillars carved with animals, insects, Stone tools were used by perhaps as many as hundreds of people to create the pillars, which might have supported roofs. Other early PPNA sites dating to around 9500–9000 BC have been found in Jericho, Israel, Gilgal in the Jordan Valley, the start of Neolithic 1 overlaps the Tahunian and Heavy Neolithic periods to some degree. The major advance of Neolithic 1 was true farming, in the proto-Neolithic Natufian cultures, wild cereals were harvested, and perhaps early seed selection and re-seeding occurred. The grain was ground into flour, emmer wheat was domesticated, and animals were herded and domesticated
13.
Last glacial period
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The last glacial period, popularly known as the Ice Age, was the most recent glacial period, which occurred from c. 110,000 – c. 11,700 years ago. This most recent glacial period is part of a pattern of glacial and interglacial periods known as the Quaternary glaciation. From this point of view, scientists consider this ice age to be merely the latest glaciation event in a larger ice age. During this last glacial period, there were changes between glacier advance and retreat. The Last Glacial Maximum, the extent of glaciation within the last glacial period, was approximately 22,000 years ago. Approximately 13,000 years ago, the Late Glacial Maximum began, around 11,700 years ago marked the beginning of the Holocene geological epoch, which includes the Holocene glacial retreat. From the point of view of archaeology, it falls in the Paleolithic and Mesolithic periods. When the glaciation event started, Homo sapiens were confined to Africa and used tools comparable to those used by Neanderthals in western and central Eurasia, near the end of the event, Homo sapiens spread into Eurasia and Australia. The retreat of the glaciers allowed groups of Asians to migrate to the Americas, glacials, on the other hand, refer to colder phases within an ice age that separate interglacials. Thus, the end of the last glacial period is not the end of the last ice age, the end of the last glacial period was about 11,700 years ago, while the end of the last ice age has not yet come. Over the past few years the glacial-interglacial cycle has been paced by periodic variations in the Earths orbit via Milankovitch cycles which are thus the cause of ice ages. The glaciations that occurred during this period covered many areas, mainly in the Northern Hemisphere. The geochronological Late Pleistocene comprises the late glacial and the immediately preceding penultimate interglacial preiond, the last glaciation centered on the huge ice sheets of North America and Eurasia. Considerable areas in the Alps, the Himalaya and the Andes were ice-covered, Canada was nearly completely covered by ice, as well as the northern part of the United States, both blanketed by the huge Laurentide ice sheet. Alaska remained mostly ice free due to climate conditions. Local glaciations existed in the Rocky Mountains and the Cordilleran ice sheet and as ice fields, the maximum extent of western Siberian glaciation was reached by approximately 16, 000–15,000 BCE and thus later than in Europe. Northeastern Siberia was not covered by an ice sheet. Instead, large, but restricted, icefield complexes covered mountain ranges within northeast Siberia, according to the sediment composition retrieved from deep-sea cores there must even have been times of seasonally open waters
14.
Savanna
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A savanna or savannah is a mixed woodland grassland ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach the ground to support a herbaceous layer consisting primarily of grasses. Savannas maintain an open canopy despite a high tree density and it is often believed that savannas feature widely spaced, scattered trees. However, in savannas, tree densities are higher and trees are more regularly spaced than in forests. Savanna covers approximately 20% of the Earths land area, the word originally entered English in 1555 as the Latin Zauana, equivalent in the orthography of the times to zavana. Peter Martyr reported it as the name for the plain around Comagre. The accounts are inexact, but this is placed in present-day Madugandí or at points on the nearby Guna Yala coast opposite Ustupo or on Point Mosquitos. These areas are now given over to modern cropland or jungle. The common usage meaning to describe vegetation now conflicts with a simplified yet widespread climatic concept meaning, the divergence has sometimes caused areas such as extensive savannas north and south of the Congo and Amazon Rivers to be excluded from mapped savanna categories. Barrens has been used almost interchangeably with savanna in different parts of North America, sometimes midwestern savanna were described as grassland with trees. Different authors have defined the limits of savanna tree coverage as 5–10%. Two factors common to all environments are rainfall variations from year to year. In the Americas, e. g. in Belize, Central America, savanna vegetation is similar from Mexico to South America, savannas are subject to regular wildfires and the ecosystem appears to be the result of human use of fire. For example, Native Americans created the Pre-Columbian savannas of North America by periodically burning where fire-resistant plants were the dominant species, pine barrens in scattered locations from New Jersey to coastal New England are remnants of these savannas. Aboriginal burning appears to have responsible for the widespread occurrence of savanna in tropical Australia and New Guinea. The maquis shrub savannas of the Mediterranean region were created and maintained by anthropogenic fire. These fires are usually confined to the layer and do little long term damage to mature trees. However, these either kill or suppress tree seedlings, thus preventing the establishment of a continuous tree canopy which would prevent further grass growth
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Cave painting
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Cave paintings are painted drawings on cave walls or ceilings, mainly of prehistoric origin, to some 40,000 years ago in Eurasia. The exact purpose of the Paleolithic cave paintings is not known, evidence suggests that they were not merely decorations of living areas since the caves in which they have been found do not have signs of ongoing habitation. They are also located in areas of caves that are not easily accessible. Some theories hold that cave paintings may have been a way of communicating with others, the paintings are remarkably similar around the world, with animals being common subjects that give the most impressive images. Humans mainly appear as images of hands, mostly hand stencils made by blowing pigment on a hand held to the wall. The earliest known cave paintings/drawings of animals are at least 35,000 years old and are found in Pettakere cave on the island of Sulawesi in Indonesia, previously it was believed that the earliest paintings were in Europe. The earliest non-figurative rock art dates back to approximately 40,000 years ago, nearly 340 caves have now been discovered in France and Spain that contain art from prehistoric times. But subsequent technology has made it possible to date the paintings by sampling the pigment itself, the choice of subject matter can also indicate chronology. For instance, the reindeer depicted in the Spanish cave of Cueva de las Monedas places the drawings in the last Ice Age. The oldest date given to a cave painting is now a pig that has a minimum age of 35,400 years old at Pettakere cave in Sulawesi. Indonesian and Australian scientists have dated other non-figurative paintings on the walls to be approximately 40,000 years old, the method they used to confirm this was dating the age of the stalactites that formed over the top of the paintings. The art is similar in style and method to that of the Indonesian caves as there were also hand stencils and this date coincides with the earliest known evidence for Homo sapiens in Europe. Because of the cave arts age, some scientists have conjectured that the paintings may have made by Neanderthals. The earliest known European figurative cave paintings are those of Chauvet Cave in France and these paintings date to earlier than 30,000 BCE according to radiocarbon dating. Some researchers believe the drawings are too advanced for this era, the radiocarbon dates from these samples show that there were two periods of creation in Chauvet,35,000 years ago and 30,000 years ago. In 2009, cavers discovered drawings in Coliboaia Cave in Romania, an initial dating puts the age of an image in the same range as Chauvet, about 32,000 years old. Some caves probably continued to be painted over a period of thousands of years. This was created roughly between 10,000 and 5,500 years ago, and painted in rock shelters under cliffs or shallow caves, though individual figures are less naturalistic, they are grouped in coherent grouped compositions to a much greater degree
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Petroglyph
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Petroglyphs are images created by removing part of a rock surface by incising, picking, carving, or abrading, as a form of rock art. Outside North America, scholars often use such as carving, engraving. Petroglyphs are found world-wide, and are associated with prehistoric peoples. The word comes from the Greek word petro-, theme of the word meaning stone, and glyphein meaning to carve. The term petroglyph should not be confused with petrograph, which is an image drawn or painted on a rock face, both types of image belong to the wider and more general category of rock art or parietal art. Petroforms, or patterns and shapes made by large rocks. Inukshuks are also unique, and found only in the Arctic and they are a category of rock art, and sometimes found in conjunction with rock-cut architecture. However, they tend to be omitted in most works on rock art, a few such works exploit the natural contours of the rock and use them to define an image, but they do not amount to man-made reliefs. Rock reliefs have been made in many cultures, and were important in the art of the Ancient Near East. Rock reliefs are generally large, as they need to be to make an impact in the open air. Most have figures that are over life-size, and in many the figures are multiples of life-size, the vertical relief is most common, but reliefs on essentially horizontal surfaces are also found. The term typically excludes relief carvings inside caves, whether natural or themselves man-made, natural rock formations made into statues or other sculpture in the round, most famously at the Great Sphinx of Giza, are also usually excluded. Reliefs on large boulders left in their location, like the Hittite İmamkullu relief, are likely to be included. Some petroglyphs are dated to approximately the Neolithic and late Upper Paleolithic boundary, about 10,000 to 12,000 years ago, if not earlier. Sites in Australia have petroglyphs that are estimated to be as much as 27,000 years old, around 7,000 to 9,000 years ago, other precursors of writing systems, such as pictographs and ideograms, began to appear. Petroglyphs were still common though, and some cultures continued using them much longer, petroglyphs have been found in all parts of the globe except Antarctica with highest concentrations in parts of Africa, Scandinavia, Siberia, southwestern North America and Australia. There are many theories to explain their purpose, depending on their location, age, some petroglyphs are thought to be astronomical markers, maps, and other forms of symbolic communication, including a form of pre-writing. Petroglyph maps may show trails, symbols communicating time and distances traveled, as well as the terrain in the form of rivers, landforms
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Djanet
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Djanet is an oasis city, and capital of Djanet District, in Illizi Province, southeast Algeria. It is located 412 km south of the capital, Illizi. According to the 2008 census it has a population of 14,655, up from 9,699 in 1998, and it is inhabited by the Kel Ajjer Tuareg people. The region of Djanet has been inhabited since Neolithic times, there were periods of ten thousand years at a time that the area was not desert. The flora and fauna were luxuriant as is seen in the rock paintings of Tassili nAjjer around Djanet. Djanet was founded in the Middle Ages by the Tuareg, Djanet, and the nearby towns of Azelouaz, El Mihan, Adjahil and Eferi, lie in a valley carved by the intermittent river Oued Idjeriou through the southwest edge of the Tassili nAjjer mountain range. The Tadrart Rouge is located to the southeast and is a prolongation of the Libyan Tadrart Acacus. Djanet itself lies at an altitude of 1,035 metres, Djanet has a hot desert climate, with very hot summers and mild winters. The city is dry throughout the year, with an annual average rainfall of just 14.6 millimetres. Djanet Inedbirene Airport is located about 50 kilometers south of the city center,4. 1% of the population has a tertiary education, and another 19. 8% has completed secondary education. The overall literacy rate is 85. 6%, and is 92. 1% among males and 78. 0% among females, the commune is composed of 12 localities
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National park
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A national park is a park in use for conservation purposes. Often it is a reserve of natural, semi-natural, or developed land that a sovereign state declares or owns, although individual nations designate their own national parks differently, there is a common idea, the conservation of wild nature for posterity and as a symbol of national pride. An international organization, the International Union for Conservation of Nature, although Yellowstone was not officially termed a national park in its establishing law, it was always termed such in practice and is widely held to be the first and oldest national park in the world. The first area to use national park in its legislation was the USs Mackinac Island. Australias Royal National Park, established in 1879, was the third official national park. In 1895 ownership of Mackinac Island was transferred to the State of Michigan as a state park, as a result, Australias Royal National Park is by some considerations the second oldest national park now in existence. The largest national park in the meeting the IUCN definition is the Northeast Greenland National Park. According to the IUCN,6,555 national parks worldwide met its criteria in 2006, IUCN is still discussing the parameters of defining a national park. National parks are almost always open to visitors, in 1971, these criteria were further expanded upon leading to more clear and defined benchmarks to evaluate a national park. In 1810, the English poet William Wordsworth described the Lake District as a sort of property, in which every man has a right and interest who has an eye to perceive. It was known as Hot Springs Reservation, but no authority was established. Federal control of the area was not clearly established until 1877, John Muir is today referred to as the Father of the National Parks due to his work in Yosemite. He published two articles in The Century Magazine, which formed the base for the subsequent legislation. President Abraham Lincoln signed an Act of Congress on July 1,1864, ceding the Yosemite Valley, according to this bill, private ownership of the land in this area was no longer possible. The state of California was designated to manage the park for use, resort. Leases were permitted for up to ten years and the proceeds were to be used for conservation, a public discussion followed this first legislation of its kind and there was a heated debate over whether the government had the right to create parks. The perceived mismanagement of Yosemite by the Californian state was the reason why Yellowstone at its establishment six years later was put under national control, in 1872, Yellowstone National Park was established as the United States first national park, being also the worlds first national park. In some European countries, however, national protection and nature reserves already existed, such as Drachenfels, Yellowstone was part of a federally governed territory
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Man and the Biosphere Programme
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As of March 2016,669 biosphere reserves in 120 countries, including 16 transboundary sites, have been included in the World Network of Biosphere Reserves. Biosphere reserves are areas comprising terrestrial, marine and coastal ecosystems, each reserve promotes solutions reconciling the conservation of biodiversity with its sustainable use. Biosphere reserves are nominated by governments and remain under the sovereign jurisdiction of the states where they are located. Their status is internationally recognized. The buffer zone surrounds or adjoins the core areas, and is used for activities compatible with sound ecological practices that can reinforce scientific research, monitoring, training and education. The transition area is the part of the reserve where the greatest activity is allowed, fostering economic, participating countries establish MAB National Committees that ensure maximum national participation in the international programme, defining and implementing each country’s activities. MAB currently operates through 158 National Committees established among the 195 Members States, the agenda of the MAB Programme is defined by its main governing body, the International Coordinating Council. The MAB Council consists of 34 member states elected by UNESCO’s General Conference, the council elects a chair and five vice-chairpersons from each of UNESCO’s geopolitical regions, one of which functions as a rapporteur. Its staff members draw on expertise in many and varied disciplines, the programme can grant seed funding to assist countries in developing projects and/or to secure appropriate partnership contributions. The latest World Congress of Biosphere Reserves took place in Lima, Peru and this will be the 4th World Congress of Biosphere Reserves and it shall develop a new vision for the decade 2016–2025. The World Network of Biosphere Reserves is supported by different regional, sub-regional or thematic networks and these are as follows, The African Biosphere Reserves Network was created in 1996 and comprises 33 African countries. The ArabMAB Network was officially launched in 1997 and represents 18 Arab countries, the East Asian Biosphere Reserve Network was launched in 1994. Today, it consists of China, the Democratic People’s Republic of Korea, Japan, Kazakhstan, Mongolia, the Republic of Korea, euroMAB is the network of biosphere reserves in Europe and North America. Created in 1987, it is the largest MAB Regional Network with 53 countries, the Ibero-American MAB Network was created in 1992. It comprises 22 countries from Latin American and the Caribbean, Spain, the Pacific Man and the Biosphere Network was created in 2006 and comprises the Federated States of Micronesia, Kiribati, Palau, Papua New Guinea, Samoa and Tonga. The South and Central Asia MAB Network was created in 2002 and comprises Afghanistan, Bangladesh, Bhutan, India, Iran, Kazakhstan, Maldives, Nepal, Pakistan, the Southeast Asian Biosphere Reserve Network was created in 1998. Today, it comprises Cambodia, China, Indonesia, Japan, Lao PDR, Malaysia, Myanmar, Philippines, Thailand, the East Atlantic Biosphere Reserve Network was created in 1994. It comprises the Canary Islands, Cape Verde, Guinea Bissau, Madeira and Azores, Mauritania, Morocco, Sao Tomé and Principe, the World Network of Island and Coastal Biosphere Reserves was established in 2012 and comprises 22 countries. Agenda 21 Searchable list of UNESCO World Network of Biosphere Reserves Frequently Asked Questions on Biosphere Reserve A-Z of Areas of Biodiverity Importance, Biosphere Reserves
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Cypress
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Cypress is the name applied to many plants in the cypress family Cupressaceae, which is a conifer of northern temperate regions. Most cypress species are trees, while a few are shrubs, the word cypress is derived from Old French cipres, which was imported from Latin cypressus the latinisation of the Greek κυπάρισσος. Species that are known as cypresses include, The Cupressaceae family also contains 13–16 other genera that do not bear cypress in their common names. Species of cypress with very low potential for causing allergies include, Austrocedrus females and Widdringtonia females
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Sandstone
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Sandstone is a clastic sedimentary rock composed mainly of sand-sized minerals or rock grains. Most sandstone is composed of quartz or feldspar because these are the most common minerals in the Earths crust, like sand, sandstone may be any color, but the most common colors are tan, brown, yellow, red, grey, pink, white, and black. Since sandstone beds often form highly visible cliffs and other topographic features, quartz-bearing sandstone is converted into quartzite through heating and pressure, usually related to tectonic compression within orogenic belts. They are formed from cemented grains that may either be fragments of a rock or be mono-minerallic crystals. The cements binding these grains together are typically calcite, clays, grain sizes in sands are defined within the range of 0.0625 mm to 2 mm. The formation of sandstone involves two principal stages, first, a layer or layers of sand accumulates as the result of sedimentation, either from water or from air. Typically, sedimentation occurs by the settling out from suspension. The most common cementing materials are silica and calcium carbonate, which are derived either from dissolution or from alteration of the sand after it was buried. Colours will usually be tan or yellow, a predominant additional colourant in the southwestern United States is iron oxide, which imparts reddish tints ranging from pink to dark red, with additional manganese imparting a purplish hue. Red sandstones are seen in the Southwest and West of Britain, as well as central Europe. The regularity of the latter favours use as a source for masonry, either as a building material or as a facing stone. These physical properties allow the grains to survive multiple recycling events. Quartz grains evolve from rock, which are felsic in origin. Feldspathic framework grains are commonly the second most abundant mineral in sandstones, Feldspar can be divided into two smaller subdivisions, alkali feldspars and plagioclase feldspars. The different types of feldspar can be distinguished under a petrographic microscope, below is a description of the different types of feldspar. Alkali feldspar is a group of minerals in which the composition of the mineral can range from KAlSi3O8 to NaAlSi3O8. Plagioclase feldspar is a group of solid solution minerals that range in composition from NaAlSi3O8 to CaAl2Si2O8. Lithic framework grains are pieces of ancient source rock that have yet to weather away to individual mineral grains, accessory minerals are all other mineral grains in a sandstone, commonly these minerals make up just a small percentage of the grains in a sandstone
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Oxide
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An oxide /ˈɒksaɪd/ is a chemical compound that contains at least one oxygen atom and one other element in its chemical formula. Oxide itself is the dianion of oxygen, an O2– atom, Metal oxides thus typically contain an anion of oxygen in the oxidation state of −2. Most of the Earths crust consists of oxides, the result of elements being oxidized by the oxygen in air or in water. Hydrocarbon combustion affords the two principal carbon oxides, carbon monoxide and carbon dioxide, even materials considered pure elements often develop an oxide coating. For example, aluminium foil develops a skin of Al2O3 that protects the foil from further corrosion. Individual elements can form multiple oxides, each containing different amounts of the element. Certain elements can form many different oxides, such those of nitrogen, due to its electronegativity, oxygen forms stable chemical bonds with almost all elements to give the corresponding oxides. Noble metals are prized because they resist direct chemical combination with oxygen, two independent pathways for corrosion of elements are hydrolysis and oxidation by oxygen. The combination of water and oxygen is even more corrosive, virtually all elements burn in an atmosphere of oxygen, or an oxygen rich environment. In the presence of water and oxygen, some elements— sodium—react rapidly, even dangerously, in part for this reason, alkali and alkaline earth metals are not found in nature in their metallic, i. e. native, form. Caesium is so reactive with oxygen that it is used as a getter in vacuum tubes, the surface of most metals consists of oxides and hydroxides in the presence of air. A well-known example is aluminium foil, which is coated with a film of aluminium oxide that passivates the metal. The aluminium oxide layer can be built to greater thickness by the process of electrolytic anodising, though solid magnesium and aluminium react slowly with oxygen at STP—they, like most metals, burn in air, generating very high temperatures. Finely grained powders of most metals can be explosive in air. Consequently, they are used in Solid-fuel rockets. In dry oxygen, iron forms iron oxide, but the formation of the hydrated ferric oxides, Fe2O3−x2x. Free oxygen production by photosynthetic bacteria some 3.5 billion years ago precipitated iron out of solution in the oceans as Fe2O3 in the important iron ore hematite. Oxides have a range of different structures, from molecules to polymeric
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Natural arch
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A natural arch, natural bridge or, less commonly, a rock arch is a natural rock formation where an arch has formed with an opening underneath. Natural arches commonly form where inland cliffs, coastal cliffs, fins or stacks are subject to erosion from the sea, most natural arches are formed from narrow fins and sea stacks composed of sandstone or limestone with steep, often vertical, cliff faces. The formations become narrower due to erosion over time scales. The softer rock stratum erodes away creating rock shelters, or alcoves, on sides of the formation beneath the relatively harder stratum, or caprock. The alcoves erode further into the formation eventually meeting underneath the harder caprock layer, the choice between bridge and arch is somewhat arbitrary. The Natural Arch and Bridge Society identifies a bridge as a subtype of arch that is primarily water-formed, by contrast, the Dictionary of Geological Terms defines a natural bridge as a natural arch that spans a valley of erosion. The largest natural arch, by a significant margin, is the Xianren Bridge in China, on coasts two different types of arches can form depending on the geology. On discordant coastlines rock types run at 90° to the coast, wave refraction concentrates the wave energy on the headland, and an arch forms when caves break through the headland. Two examples of type of arch are London Arch—previously known as London Bridge—in Victoria, Australia. When these arches eventually collapse, they form stacks and stumps, on concordant coastlines rock types run parallel to the coastline, with weak rock such as shale protected by stronger rock such as limestone. The wave action along concordant coastlines breaks through the strong rock, good examples of this type of arch are the Durdle Door and Stair Hole near Lulworth Cove on Dorsets Jurassic Coast in south England. When Stair Hole eventually collapses it will form a cove, weather-eroded arches begin their formation as deep cracks which penetrate into a sandstone layer. Erosion occurring within the cracks wears away exposed rock layers and enlarges the surface cracks isolating narrow sandstone walls which are called fins, alternating frosts and thawing cause crumbling and flaking of the porous sandstone and eventually cut through some of the fins. The resulting holes become enlarged to arch proportions by rockfalls and weathering, the arches eventually collapse leaving only buttresses that in time will erode. Many weather-eroded arches are found in Arches National Park, Canyonlands National Park, some natural bridges may look like arches, but they form in the path of streams that wear away and penetrate the rock. Pothole arches form by chemical weathering as water collects in natural depressions, Natural Bridges National Monument in Utah protects the area surrounding three large natural bridges all of which were formed by streams running through canyons. The largest of which is named Sipapu Bridge with a span of 225 feet, Natural bridges can form from natural limestone caves, where paired sinkholes collapse and a ridge of stone is left standing in between, with the cave passageway connecting from sinkhole to sinkhole. Like all rock formations, natural bridges are subject to continued erosion, one example of this was the double-arched Victorian coastal rock formation, London Bridge, which lost an arch after storms increased erosion
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Vegetation
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Vegetation is assemblages of plant species and the ground cover they provide. It is a term, without specific reference to particular taxa, life forms, structure, spatial extent. It is broader than the flora which refers to species composition. Perhaps the closest synonym is plant community, but vegetation can, primeval redwood forests, coastal mangrove stands, sphagnum bogs, desert soil crusts, roadside weed patches, wheat fields, cultivated gardens and lawns, all are encompassed by the term vegetation. The vegetation type is defined by characteristic dominant species, or an aspect of the assemblage. The contemporary use of vegetation approximates that of ecologist Frederic Clements term earth cover, Natural vegetation refers to plant life undisturbed by humans in its growth and which is controlled by the climatic conditions of that region. The distinction between vegetation and flora was first made by Jules Thurmann, prior to this, the two terms were used indiscriminately, and still are in some contexts. Augustin de Candolle also made a distinction, but he used the terms station and habitation. Later, the concept of vegetation would influence the usage of the term biome, other concepts similar to vegetation are physiognomy of vegetation and formation. Departing from Linnean taxonomy, Humboldt established a new science, dividing plant geography between taxonomists who studied plants as taxa and geographers who studied plants as vegetation. The physiognomic approach in the study of vegetation is common among biogeographers working on vegetation on a world scale, the concept vegetation type is more ambiguous. For some authors, it includes, besides physiognomy, floristic, furthermore, the phytosociological approach in the study of vegetation relies upon a fundamental unit, the plant association, which is defined upon flora. An influential, clear and simple scheme for types of vegetation was produced by Wagner & von Sydow. Like all the systems, plant communities are temporally and spatially dynamic. Dynamism in vegetation is defined primarily as changes in species composition and/or vegetation structure, temporally, a large number of processes or events can cause change, but for sake of simplicity they can be categorized roughly as either abrupt or gradual. Abrupt changes are referred to as disturbances, these include things like wildfires, high winds, landslides, floods, avalanches. Their causes are external to the community—they are natural processes occurring independently of the natural processes of the community. Such events can change vegetation structure and composition very quickly and for time periods
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Endangered species
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An endangered species is a species which has been categorized as likely to become extinct. In 2012, the IUCN Red List featured 3079 animal and 2655 plant species as endangered worldwide, the figures for 1998 were, respectively,1102 and 1197. Many nations have laws that protect conservation-reliant species, for example, population numbers, trends and species conservation status can be found in the lists of organisms by population. The conservation status of a species indicates the likelihood that it will become extinct, the IUCN Red List of Threatened Species is the best-known worldwide conservation status listing and ranking system. Over 40% of the species are estimated to be at risk of extinction. Internationally,199 countries have signed an accord to create Biodiversity Action Plans that will protect endangered, in the United States, such plans are usually called Species Recovery Plans. Those species of Near Threatened and Least Concern status have been assessed and found to have relatively robust and healthy populations, though these may be in decline. The IUCN categories, with examples of animals classified by them, include, Extinct Extinct in the wild Captive individuals survive, critically endangered Faces an extremely high risk of extinction in the immediate future. Endangered Faces a high risk of extinction in the near future, vulnerable Faces a high risk of endangerment in the medium term. Near-threatened May be considered threatened in the near future, Least concern No immediate threat to species survival. A population size reduction of ≥ 50%, projected or suspected to be met within the next 10 years or three generations, whichever is the longer, based on any of to under A1. E) Quantitative analysis showing the probability of extinction in the wild is at least 20% within 20 years or five generations, there is data from the United States that shows a correlation between human populations and threatened and endangered species. Under the Endangered Species Act in the United States, species may be listed as endangered or threatened, the Salt Creek tiger beetle is an example of an endangered subspecies protected under the ESA. Some endangered species laws are controversial, also lobbying from hunters and various industries like the petroleum industry, construction industry, and logging, has been an obstacle in establishing endangered species laws. The Bush administration lifted a policy that required federal officials to consult an expert before taking actions that could damage endangered species. Under the Obama administration, this policy has been reinstated, being listed as an endangered species can have negative effect since it could make a species more desirable for collectors and poachers. This effect is potentially reducible, such as in China where commercially farmed turtles may be reducing some of the pressure to poach endangered species. Another problem with the species is its effect of inciting the use of the shoot, shovel
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Endemism
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The extreme opposite of endemism is cosmopolitan distribution. An alternative term for a species that is endemic is precinctive, the word endemic is from New Latin endēmicus, from Greek ενδήμος, endēmos, native. Endēmos is formed of en meaning in, and dēmos meaning the people, the term, precinctive, has been suggested by some scientists, and was first used in botany by MacCaughey in 1917. It is the equivalent of endemism, precinction was perhaps first used by Frank and McCoy. That definition excludes artificial confinement of examples by humans in far-off botanical gardens or zoological parks, physical, climatic, and biological factors can contribute to endemism. The orange-breasted sunbird is found in the fynbos vegetation zone of southwestern South Africa. The glacier bear is found only in limited places in Southeast Alaska, political factors can play a part if a species is protected, or actively hunted, in one jurisdiction but not another. There are two subcategories of endemism, paleoendemism and neoendemism, paleoendemism refers to species that were formerly widespread but are now restricted to a smaller area. Neoendemism refers to species that have arisen, such as through divergence and reproductive isolation or through hybridization. Endemics can easily become endangered or extinct if their restricted habitat changes, particularly—but not only—due to human actions, there were millions of both Bermuda petrels and Bermuda cedars in Bermuda when it was settled at the start of the seventeenth century. By the end of the century, the petrels were thought extinct, cedars, already ravaged by centuries of shipbuilding, were driven nearly to extinction in the twentieth century by the introduction of a parasite. Bermuda petrels and cedars are now rare, as are species endemic to Bermuda
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Cupressus dupreziana
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There are only 233 specimens of this critically endangered species, the largest about 22 m tall. The majority are estimated to be over 2000 years old, with very little due to the increasing desertification of the Sahara. Rainfall totals in the area are estimated to be about 30 mm annually, the largest one is named Tin-Balalan is believed to be the oldest tarout tree with a circumference of 12 meters or 36 feet. This species is distinct from the allied Cupressus sempervirens in its much bluer foliage with a white spot on each leaf. It also has smaller cones, only 1. 5–2.5 cm long, Cupressus atlantica is more similar, and is treated as a variety of the Saharan cypress by some authors. There is no input from the female parent, which only provides nutritional sustenance. The Moroccan cypress does not share this characteristic, the Saharan cypress is occasionally cultivated in southern and western Europe, in part for ex situ genetic conservation, but also as an ornamental tree. An international arboretum is being established in Canberra, Australian Capital Territory, Australia within which will be established forests of rare, one of these forests is dedicated to Cupressus dupreziana and 1300 of the trees have been propagated for planting in late 2007. Cupressus dupreziana, threatened conifer of the Sahara, lack of mother tree alleles in zymograms of Cupressus dupreziana A. Camus embryos. El Maátaoui, M. Raddi, S. & Raddi, kathy Musial, ed. Conifers Around the World. Gymnosperm Database, Cupressus dupreziana Arboretum de Villardebelle - photos of trees in the Sahara saudiaramcoworld
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Myrtus nivellei
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Myrtus, with the common name myrtle, is a genus of flowering plants in the family Myrtaceae, described by Linnaeus in 1753. Over 600 names have been proposed in the genus, but nearly all have either moved to other genera or been regarded as synonyms. The Myrtus genus has three species recognised today, Myrtus communis — Common myrtle, native to the Mediterranean region in southern Europe, Myrtus nivellei — Saharan myrtle, native to North Africa. Myrtus phyllireaefolia Myrtus communis, the myrtle, is native across the Mediterranean region, Macaronesia, western Asia. The plant is a shrub or small tree, growing to 5 metres tall. The leaf is entire, 3–5 cm long, with a fragrant essential oil, the star-like flower has five petals and sepals, and numerous stamens. The flower is pollinated by insects, the fruit is a round berry containing several seeds, most commonly blue-black in colour. A variety with yellow-amber berries is also present, the seeds are dispersed by birds that eat the berries. Myrtus nivellei, the Saharan myrtle, is endemic to the mountains of the central Sahara Desert and it is found in a restricted range in the Tassili nAjjer Mountains in southern Algeria, and the Tibesti Mountains in northern Chad. It occurs in areas of sparse relict woodland at montaine elevations above the central Saharan desert plains. It is a medicinal plant for the Tuareg people. Myrtus communis, the myrtle, is widely cultivated as an ornamental plant for use as a shrub in gardens. It is often used as a plant, with its small leaves shearing cleanly. When trimmed less frequently, it has numerous flowers in late summer and it requires a long hot summer to produce its flowers, and protection from winter frosts. The species and the subspecies M. communis subsp, tarentina have gained the Royal Horticultural Societys Award of Garden Merit. Myrtus communis, the myrtle, is used in the islands of Sardinia. Many Mediterranean pork dishes include Myrtle berries, and roasted baby pig is often stuffed with myrtle sprigs in the belly cavity, the berries, whole or ground, have been used as a pepper substitute. They contribute to the flavor of Mortadella sausage and the related American Bologna sausage
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West Saharan montane xeric woodlands
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The West Saharan montane xeric woodlands is an ecoregion that extends across several highland regions in the Sahara. The Sahara is a vast desert, stretching across northern Africa from the Atlantic Ocean to the Red Sea, some mountains ranges rise up from the desert and receive more rainfall and mostly present slightly cooler summer temperatures. These highlands support dry woodlands and shrublands distinct from the hot dry desert lowlands and this ecoregion has an area of 258,100 km2. The boundaries for the largest part of this ecoregion, which includes the Tassili nAjjer Ahaggar and Aïr massifs, follow the regs, hamadas and this covers a good part of southeast Algeria. These areas reach almost 3,000 meters in altitude, the mountains of the West Saharan Montane Xeric Woodland ecoregion are found within the Sahara Desert and are predominantly of volcanic origin. They rise from the flat desert landscape or sand dunes and create islands of moister habitat which support flora. The most important area is the Tassili nAjjer Plateau, an outlier of the Ahaggar Mountains in Algeria which supports some near-endemic species, the highest point of these mountains is 3,003 meters. Winters are quite rigorous, with an amplitude in temperature of over 20°C, day temperatures may be over 20°C while nights are freezing. In summer, days are hot, though less so than in the central Sahara. Vegetation varies greatly depending on altitude and landscape, in particular wind protection and it is often composed of relict mediterranean vegetation. In the gueltas, vegetation is very diverse and hosts many animals, trees may be found at lower elevations, while higher areas mostly host bushes. It is possible to find wild olive trees, or Olea lapperrini, endemic and rare species include the Saharan Cypress and Saharan Myrtle, both of which are relict Saharan-Mediterranean species. Olive and myrtle trees grow at the bottom of wadis, intermittent stream valleys, or beside gueltas, other species with a preference for moist habitats are Trianthema pentandra, Lupinus pilosus, and Convolvulus fatmensis. Silene kiliani, Acacia laeta, A. scorpiodes, and Cordia rochii grow in wadis, other representatives of the 28 national Algerian plant rarities found on Tassili nAjjer include Ficus ingens and Anticharis glandulosa. The human population of the ecoregion is very small, with less than 5 persons per square kilometre, many people are nomadic though some small cities also exist
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Ecoregion
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An ecoregion is an ecologically and geographically defined area that is smaller than a bioregion, which in turn is smaller than an ecozone. All three of these are less or greater than an ecosystem. Ecoregions cover relatively large areas of land or water, and contain characteristic, the biodiversity of flora, fauna and ecosystems that characterise an ecoregion tends to be distinct from that of other ecoregions. Three caveats are appropriate for all bio-geographic mapping approaches, firstly, no single bio-geographic framework is optimal for all taxa. Ecoregions reflect the best compromise for as many taxa as possible, secondly, ecoregion boundaries rarely form abrupt edges, rather, ecotones and mosaic habitats bound them. Thirdly, most ecoregions contain habitats that differ from their assigned biome, biogeographic provinces may originate due to various barriers. Some physical, some climatic and some ocean chemical related, the history of the term is somewhat vague as it was used in many contexts, forest classifications, biome classifications, biogeographic classifications, etc. The concept of ecoregion of Bailey gives more importance to ecological criteria, while the WWF concept gives more importance to biogeography, there is significant, but not absolute, spatial correlation among these characteristics, making the delineation of ecoregions an imperfect science. Such transition zones are called ecotones, Ecoregions can be categorized using an algorithmic approach or a holistic, “weight-of-evidence” approach where the importance of various factors may vary. An example of the approach is Robert Bailey’s work for the U. S. The intended purpose of ecoregion delineation may affect the method used, according to WWF, the boundaries of an ecoregion approximate the original extent of the natural communities prior to any major recent disruptions or changes. WWF has identified 867 terrestrial ecoregions, and approximately 450 freshwater ecoregions across the Earth, the use of the term ecoregion is an outgrowth of a surge of interest in ecosystems and their functioning. In particular, there is awareness of issues relating to spatial scale in the study and it is widely recognized that interlinked ecosystems combine to form a whole that is greater than the sum of its parts. The Global 200 is the list of ecoregions identified by WWF as priorities for conservation, Terrestrial ecoregions are land ecoregions, as distinct from freshwater and marine ecoregions. In this context, terrestrial is used to mean of land, WWF ecologists currently divide the land surface of the Earth into 8 major ecozones containing 867 smaller terrestrial ecoregions. The WWF effort is a synthesis of previous efforts to define. Many consider this classification to be decisive, and some propose these as stable borders for bioregional democracy initiatives. The eight terrestrial ecozones follow the major floral and faunal boundaries, identified by botanists and zoologists, ecozone boundaries generally follow continental boundaries, or major barriers to plant and animal distribution, like the Himalayas and the Sahara
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Sahara pump theory
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The Sahara pump theory is a hypothesis that explains how flora and fauna migrated between Eurasia and Africa via a land bridge in the Levant region. It posits that extended periods of abundant rainfall lasting many thousands of years in Africa are associated with a phase, during which larger lakes. This caused changes in the flora and fauna found in the area, during periods of a wet or Green Sahara, the Sahara and Arabia become a savanna grassland and African flora and fauna become common. Following inter-pluvial arid periods, the Sahara area then reverts to desert conditions, evaporation exceeds precipitation, the level of water in lakes like Lake Chad falls, and rivers become dry wadis. This separates populations of some of the species in areas with different climates, forcing them to adapt, possibly giving rise to allopatric speciation. The Plio-Pleistocene migrations to Africa included the Caprinae in two waves at 3.2 Ma and 2. 7-2.5 Ma, Nyctereutes at 2.5 Ma, hippotragus migrated at 2.6 Ma from Africa to the Siwaliks of the Himalayas. Asian bovids moved to Europe and to and from Africa, the primate Theropithecus experienced contraction and its fossils are found only in Europe and Asia, while Homo and Macaca settled wide ranges. This allowed Eurasian biota to travel to Africa and vice versa, the growth of speleothems was detected in Hol-Zakh, Ashalim, Even-Sid, Maale-ha-Meyshar, Ktora Cracks, Nagev Tzavoa Cave. The Red Sea coastal route was extremely arid before 140 and after 115 kya, slightly wetter conditions appear at 90–87 kya, but it still was just one tenth the rainfall around 125 kya. Speleothems are detected only in Even-Sid-2, in the southern Negev Desert speleothems did not grow between 185–140 kya, 110-90, nor after 85 kya nor during most of the interglacial period, the glacial period and Holocene. This suggests that the southern Negev was arid to hyper-arid in these periods, the coastal route around the western Mediterranean may have been open at times during the last glacial, speleothems grew in Hol-Zakh and in Nagev Tzavoa Caves. Comparison of speleothem formation with calcite horizons suggests that the wet periods were limited to tens or hundreds of years. From 60–30 kya there were extremely dry conditions in parts of Africa. An example of the Saharan pump has occurred after the Last Glacial Maximum, during the Last Glacial Maximum the Sahara desert was more extensive than it is now with the extent of the tropical forests being greatly reduced. This phase is associated with rates of wind-blown mineral dust. Around 12,500 BC, the amount of dust in the cores in the Bølling/Allerød phase suddenly plummets and shows a period of much wetter conditions in the Sahara, indicating a Dansgaard-Oeschger event. This was caused principally by a monsoonal circulation throughout the sub-tropical regions, affecting India, Arabia. Lake Victoria only recently became the source of the White Nile and this is linked to a marked decline in the scale of the Nile floods between 2700 and 2100 BC
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West African crocodile
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The West African crocodile or desert crocodile is a species of crocodile related to – and often confused with – the Nile crocodile. The species was named by Étienne Geoffroy Saint-Hilaire in 1807, who discovered differences between the skulls of a crocodile and those of C. niloticus. Niloticus, and thereby resurrected the name C. suchus, one C. suchus specimen also exists at the St. Augustine Alligator Farm Zoological Park, and pairs live in Copenhagen Zoo and Dublin Zoo. West African crocodiles in Mauritania have adapted to their environment by staying in caves or burrows in a state of æstivation during the driest periods. When it rains, the reptiles gather at gueltas, the people of Ancient Egypt worshiped Sobek, a crocodile-god associated with fertility, protection, and the power of the pharaoh. They had an ambivalent relationship with Sobek, as they did with C. suchus, sometimes they hunted crocodiles and reviled Sobek, C. suchus was known to be more docile than the Nile crocodile and was chosen by the Ancient Egyptians for spiritual rites, including mummification. A recent DNA test found that all sampled mummified crocodiles from Grottes de Thebes, Grottes de Samoun, Sobek was depicted as a crocodile, as a mummified crocodile, or as a man with the head of a crocodile. The center of his worship was in the Middle Kingdom city of Arsinoe in the Faiyum Oasis, another major temple to Sobek is in Kom-Ombo, other temples were scattered across the country. Historically, C. suchus inhabited the Nile River in Lower Egypt along with the Nile crocodile, herodotus wrote that the Ancient Egyptian priests were selective when picking crocodiles. Priests were aware of the difference between the two species, C. suchus being smaller and more docile, making it easier to catch, herodotus also indicated that some Egyptians kept crocodiles as pampered pets. In Sobeks temple in Arsinoe, a crocodile was kept in the pool of the temple, where it was fed, covered with jewelry, when the crocodiles died, they were embalmed, mummified, placed in sarcophagi, and then buried in a sacred tomb. Many mummified C. suchus specimens and even crocodile eggs have been found in Egyptian tombs, spells were used to appease crocodiles in Ancient Egypt, and even in modern times Nubian fishermen stuff and mount crocodiles over their doorsteps to ward against evil. In modern times, Mauritanian traditional peoples who live in proximity to West African crocodiles revere them. This is due to their belief that, just as water is essential to crocodiles, so crocodiles are essential to the water, the crocodiles live in harmony with the humans, and never attack swimmers. As late as the 1920s, museums continued to obtain C. suchus specimens from the Nile in Sudan
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Mouflon
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The mouflon is a subspecies group of the wild sheep. Populations of O. orientalis can be partitioned into the mouflons, the mouflon is thought to be one of the two ancestors for all modern domestic sheep breeds. The wild sheep of Corsica was locally called mufro and mufra, the naturalist Buffon rendered this in French as moufflon. Mouflon have red-brown, short-haired coats with dark back-stripes and light-colored saddle patches, the males are horned, some females are horned, while others are polled. The horns of mature rams are curved in almost one full revolution, mouflon have shoulder heights of about 0.9 m and body weights of 50 kg and 35 kg. Today, mouflon inhabit the Caucasus, Anatolia, northern and eastern Iraq, the range originally stretched further to the Crimean peninsula and the Balkans, where they had already disappeared 3,000 years ago and came back to Bulgaria. On the island of Cyprus, the mouflon or agrino became a different, the Cyprus mouflon population contains only about 3,000 animals. They are now rare on the islands, but are classified as feral animals by the IUCN, a small colony exists in the remote Kerguelen Islands in the southern Indian Ocean, and on the Veliki Brijun Island in the Brijuni Archipelago of the Istrian Peninsula in Croatia. In South America, mouflon have been introduced into central Chile, mouflon have been introduced as game animals into Spieden Island in Washington state, and into the Hawaiian islands of Lanai and Hawaii where they have become a problematic invasive species. A small population escaped from an animal enclosure owned by Thomas Watson, Jr. on the island of North Haven, Maine in the 1990s and their normal habitats are steep mountainous woods near tree lines. In winter, they migrate to lower altitudes, the scientific classification of the mouflon is disputed. Five subspecies of mouflon are distinguished by MSW3, Armenian mouflon, Ovis orientalis gmelini, northwestern Iran, Armenia and it has been introduced in Texas, US. European mouflon, O. o. musimon was introduced about 7,000 years ago in Corsica and it has since been introduced in many parts of Europe. Cypriot mouflon, O. o. ophion, also called agrino, in 1997, about 1,200 of this subspecies were counted. The television show Born to Explore with Richard Wiese reported 3,000 are now on Cyprus, esfahan mouflon, O. o. isphahanica, is from the Zagros Mountains, Iran. Laristan mouflon, O. o. laristanica, is a small subspecies, the eastern and the European mouflon often appear in scientific literature as separate species, Ovis musimon and Ovis orientalis. The mouflons are also treated as a subspecies of the domestic sheep, Ovis aries, named with the same subspecific epithet as above, O. a. musimon, O. a. ophion. However, a comparison of the mitochondrial DNA control region found that two subspecies of urial, Ovis vignei arkal and O. v. /o. bochariensis, the ancestral sheep is presumed to have had 60 chromosomes, as in goats
34.
Tuareg people
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The Tuareg people are a large Berber ethnic confederation. They principally inhabit the Sahara desert, in a vast area stretching from far southwestern Libya to southern Algeria, Niger, Mali, traditionally nomadic pastoralists, small groups of Tuareg are also found in northern Nigeria. The Tuareg speak the Tuareg languages, which belong to the Berber branch of the Afro-Asiatic family, the Tuaregs have been called the blue people for the indigo-dye colored clothes they traditionally wear and which stains their skin. A semi-nomadic Muslim people, they are believed to be descendants of the Berber autochthones of North Africa, the Tuaregs have been one of the ethnic groups that have been historically influential in the spread of Islam and its legacy in North Africa and the adjacent Sahel region. Tuareg society has traditionally featured clan membership, social status and caste hierarchies within each political confederation, the Tuareg have controlled several trans-Saharan trade routes, and have been an important party to the conflicts in the Saharan region during the colonial and post-colonial era. The origin and the meaning of the name Tuareg have long been debated and it would appear that Twārəg is derived from the broken plural of Tārgi, a name whose former meaning was inhabitant of Targa, the Tuareg name of the Libyan region commonly known as Fezzan. Another theory is that Tuareg is derived from Tuwariq, the plural of the Arabic exonym Tariqi, the term for a Tuareg man is Amajagh, the term for a woman Tamajaq. Spellings of the appellation vary by Tuareg dialect, however, they all reflect the same linguistic root, expressing the notion of freemen. As such, the endonym strictly refers only to the Tuareg nobility, not the artisanal client castes, the English exonym Blue People is similarly derived from the indigo color of the tagelmust veils and other clothing, which sometimes stains the skin underneath. Another term for the Tuareg is Imuhagh or Imushagh, a cognate to the northern Berber self-name Imazighen, the Tuareg today inhabit a vast area in the Sahara, stretching from far southwestern Libya to southern Algeria, Niger, Mali and Burkina Faso. Their combined population in these territories exceeds 2.5 million, with a population in Niger of around 2 million. The Tuareg are also the majority group in the Kidal Region of northeastern Mali. The Tuareg traditionally speak the Tuareg languages, also known as Tamasheq, Tamachen, Tamashekin, Tomacheck and these tongues belong to the Berber branch of the Afro-Asiatic family. According to Ethnologue, there are an estimated 1.2 million Tuareg speakers, around half this number consists of speakers of the Eastern dialect. The exact number of Tuareg speakers per territory is uncertain, the CIA estimates that the Tuareg population in Mali constitutes approximately 0. 9% of the national population, whereas about 3. 5% of local inhabitants speak Tuareg as a primary language. In contrast, Imperato estimates that the Tuareg represent around 3% of Malis population, in antiquity, the Tuareg moved southward from the Tafilalt region into the Sahel under the Tuareg founding queen Tin Hinan, who is believed to have lived between the 4th and 5th century. The matriarchs 1,500 year old tomb is located in the Sahara at Abalessa in the Hoggar Mountains of southern Algeria. Vestiges of an inscription in Tifinagh, the Tuaregs traditional Libyco-Berber writing script, have found on one of the ancient sepulchres walls
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Berbers
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Berbers or Amazighen are an ethnic group indigenous to North Africa. They are distributed in an area stretching from the Atlantic Ocean to the Siwa Oasis in Egypt, historically, they spoke Berber languages, which together form the Berber branch of the Afro-Asiatic family. The majority of Berbers are predominantly Sunni Muslim, the Berber identity is usually wider than language and ethnicity, and encompasses the entire history and geography of North Africa. Berbers are not an entirely homogeneous ethnicity and they encompass a range of phenotypes, societies and ancestries, the unifying forces for the Berber people may be their shared language, or a collective identification with Berber heritage and history. There are some twenty-five to thirty million Berber speakers in North Africa, the number of ethnic Berbers is far greater, as a large part of the Berbers have acquired other languages over the course of many decades or centuries, and no longer speak Berber today. The majority of North Africas population is believed to be Berber in origin, Berbers call themselves some variant of the word i-Mazigh-en, possibly meaning free people or noble men. The name likely had its ancient parallel in the Roman and Greek names for Berbers, dihya or Kahina was a religious and military leader who led a fierce Berber resistance against the Arab-Muslim expansion in Northwest Africa. Kusaila was a leader of the Awraba tribe of the Berber people. A history by a Roman consul in Africa made the first reference of the barbarian to describe Numidia. The use of the term Berber spread in the following the arrival of the Vandals during their major invasions. The English term was introduced in the 19th century, replacing the earlier Barbary, for the historian Abraham Isaac Laredo the name Amazigh could be derived from the name of the ancestor Mezeg which is the translation of biblical ancestor Dedan son of Sheba in the Targum. According to Leo Africanus, Amazigh meant free man, though this has been disputed, further, it also has a cognate in the Tuareg word Amajegh, meaning noble. The Egyptians, Greeks, Romans, and Byzantines mentioned various tribes with similar names living in Greater Libya in the areas where Berbers were later found, later tribal names differ from the classical sources, but are probably still related to the modern Amazigh. The Meshwesh tribe among them represents the first thus identified from the field, all those names are similar and perhaps foreign renditions of the name used by the Berbers in general for themselves, Imazighen. The Maghreb region in northwestern Africa is believed to have been inhabited by Berbers from at least 10,000 BC, local cave paintings, which have been dated to twelve millennia before present, have been found in the Tassili nAjjer region of southern Algeria. Other rock art has been observed in Tadrart Acacus in the Libyan desert, a Neolithic society, marked by domestication and subsistence agriculture, developed in the Saharan and Mediterranean region of northern Africa between 6000 and 2000 BC. This type of life, richly depicted in the Tassili nAjjer cave paintings of southeastern Algeria, prehistorical Tifinagh scripts were also found in the Oran region. During the pre-Roman era, several independent states existed before the king Masinissa unified the people of Numidia
36.
Tinariwen
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Tinariwen is a Grammy Award-winning group of Tuareg musicians from the Sahara Desert region of northern Mali. The band was formed in 1979 in Tamanrasset, Algeria, and their popularity rose internationally with the release of the critically acclaimed Aman Iman in 2007. Tinariwen was founded by Ibrahim Ag Alhabib, who at age four witnessed the execution of his father during a 1963 uprising in Mali, as a child he saw a western film in which a cowboy played a guitar with a gun. Ag Alhabib built his own out of a tin can. He started to play old Tuareg and modern Arabic pop tunes, Ag Alhabib first lived in Algeria in refugee camps near Bordj Badji Mokhtar and in the deserts around the southern city of Tamanrasset, where he received a guitar from a local Arab man. Later, he resided with other Tuareg exiles in Libya and Algeria, Ag Alhabib formed a group with Alhassane Ag Touhami and brothers Inteyeden Ag Ablil and Liya Ag Ablil in Tamanrasset, Algeria to play at parties and weddings. Ag Alhabib acquired his first real guitar in 1979. While the group had no name, people began to call them Kel Tinariwen. In 1980, Libyan ruler Muammar al-Gaddafi put out a decree inviting all young Tuareg men who were living illegally in Libya to receive military training. Gaddafi dreamed of forming a Saharan regiment, made up of the best young Tuareg fighters, to further his ambitions in Chad, Niger. Ag Alhabib and his bandmates answered the call and received nine months of training, All sang and played guitar in various permutations. The resulting homemade cassettes were traded throughout the Sahara region. In 1989, the collective left Libya and moved to Ag Alhabibs home country of Mali, in 1990 the Tuareg people of Mali revolted against the government, with some members of Tinariwen participating as rebel fighters. After a peace agreement known as the Tamanrasset Accords was reached in January 1991, in 1992 some of the members of Tinariwen went to Abidjan, Côte dIvoire to record a cassette at JBZ studios. They played occasional gigs for far-flung Tuareg communities throughout the Sahara region, in 1998, Tinariwen came to the attention of the French world music ensemble LoJo and their manager Philippe Brix. That group traveled to a festival in Bamako and met two members of the Tinariwen collective. In 1999 some members of Tinariwen traveled to France and performed with LoJo under the name Azawad, the two groups organized the January 2001 Festival au Désert in Essakane, Mali with Tinariwen as the headliners, and in close cooperation with the Belgian Sfinks Festival. The festival brought much attention to Tinariwen
37.
Terence McKenna
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Terence Kemp McKenna was an American ethnobotanist, mystic, psychonaut, lecturer, author, and an advocate for the responsible use of naturally occurring psychedelic plants. He was called the Timothy Leary of the 90s, one of the authorities on the ontological foundations of shamanism. His promotion of novelty theory and its connection to the Maya calendar is credited as one of the leading to the widespread beliefs about 2012 eschatology. Terence McKenna was born and raised in Paonia, Colorado, with Irish ancestry on his fathers side of the family, McKenna developed a hobby of fossil-hunting in his youth and from this he acquired a deep scientific appreciation of nature. He also became interested in psychology at an age, reading Carl Jungs book Psychology. At age 16 McKenna moved to Los Altos, California to live with friends for a year. He finished high school in Lancaster, California, in 1965, McKenna enrolled in the University of California, Berkeley and was accepted into the Tussman Experimental College. In 1967, while in college, he discovered and began studying shamanism through the study of Tibetan folk religion and that same year, which he called his opium and kabbala phase he traveled to Jerusalem, where he met Kathleen Harrison, who would later become his wife. In 1969, McKenna traveled to Nepal led by his interest in Tibetan painting and he sought out shaman of the Bon tradition, which predated Tibetan Buddhism, trying to learn more about the shamanic use of visionary plants. During his time there, he studied the Tibetan language and worked as a hashish smuggler. He then wandered through southeast Asia viewing ruins, and spent time as a butterfly collector in Indonesia. Instead of oo-koo-hé they found fields full of gigantic Psilocybe cubensis mushrooms, McKenna claimed the experiment put him in contact with Logos, an informative, divine voice he believed was universal to visionary religious experience. The voices reputed revelations and his brothers simultaneous psychedelic experience prompted him to explore the structure of a form of the I Ching. During their stay in the Amazon, McKenna also became involved with his interpreter. In 1972, McKenna returned to U. C, Berkeley to finish his studies and in 1975, he graduated with a degree in ecology, shamanism, and conservation of natural resources. In the autumn of 1975, after parting with his girlfriend Ev earlier in the year, McKenna began a relationship with his future wife and the mother of his two children, Kathleen Harrison. Soon after graduating, McKenna and Dennis published a book inspired by their Amazon experiences, The Invisible Landscape, Mind, Hallucinogens, the brothers experiences in the Amazon would later be the main focus of McKennas book True Hallucinations, published in 1993. McKenna also began lecturing locally around Berkeley and started appearing on underground radio stations. T
38.
Dub music
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Dub is a genre of music that grew out of reggae in the 1960s, and is commonly considered a subgenre, though it has developed to extend beyond the scope of reggae. Other techniques include dynamically adding extensive echo, reverb, panoramic delay, Dub was pioneered by Osbourne King Tubby Ruddock, Lee Scratch Perry, Errol Thompson and others in the late 1960s. Augustus Pablo is credited with bringing the melodica to dub, and is also among the pioneers and creators of the genre, similar experiments with recordings at the mixing desk outside of the dancehall environment were also done by producers Clive Chin and Herman Chin Loy. These producers, especially Ruddock and Perry, looked upon the mixing console as an instrument, manipulating tracks to come up with something new and different. Dub has influenced many genres of music, including rock, pop, hip hop, disco, and later house, techno, ambient, electronic dance music, the verb dub is defined as making a copy of one recording to another. The term dub had multiple meanings in Jamaica around the time of the musics origin, in concert, the order dub this one. Meant put an emphasis on bass and drums, drummer Sly Dunbar points to a similar interpretation, relating the term dubwise to using only drums and bass. Another possible source was the term dub plate, as suggested by Augustus Pablo, the word duppy also relates to dub through Jamaicas history of intra-racial terror, violence, and murder that is often overlooked in favor of Jamaican ideologies of racial solidarity. The ghosts of these victims, or duppies, are thought to be captured best within the dub instrumentals, a version is a record with the vocals removed, the alternative cut of a song made for the DJ to toast over. These versions were used as the basis of new songs by rerecording them with new elements, the instrumental tracks are typically drenched in sound effects such as echo, reverberation, with instruments and vocals dropping in and out of the mix. Another hallmark of the dub sound is the prominent use of bass guitar, the music sometimes features other noises, such as birds singing, thunder and lightning, water flowing, and producers shouting instructions at the musicians. It can be augmented by live DJs. There is usually an organic feel to the music, even though the effects are electronically created. Often these tracks are used for toasters rapping heavily rhymed and alliterative lyrics, in forms of sound system based reggae, the performer using a microphone is referred to as the DJ or deejay, and the person choosing the music and operating the turntables is called the selector. A major reason for producing multiple versions was economic, a producer could use a recording he owned to produce numerous versions from a single studio session. A version was also an opportunity for a producer or remix engineer to experiment, Dub music and toasting introduced a new era of creativity in reggae music. From their beginning, toasting and dub music developed together and influenced each other, in 1968, Kingston, Jamaica sound system operator Rudolph Ruddy Redwood went to Duke Reids Treasure Isle studio to cut a one-off dub plate of The Paragons hit On The Beach. Engineer Byron Smith left the track out by accident, but Redwood kept the result
39.
Rock art of Figuig
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The rock art of the Figuig region of Morocco consists of prehistoric engravings dating to the Neolithic period. The petroglyphs belong to the wider south Algerian group, Sud-oranais and they are located east of the rock art and cave paintings of the Atlas Mountains. Comparable rock engravings have been described more to the east in the surroundings of Djelfa and in Constantine, list of Stone Age art Saharan rock art Draa River Tassili nAjjer Rock art of south Oran Rock art of the Djelfa region
40.
Rock art of south Oran (Algeria)
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Comparable engravings have been described, even further east, around Djelfa and in the region of Constantine. Although in the past some archaeologists affirmed that these engravings derived from European Upper Paleolithic art, less famous than the rock art at the Tassili nAjjer site, the South Oran engravings have however been the subject of study since 1863. The most important works are notably those of A. Pomel, Stéphane Gsell, G. B. M. Flamand, Leo Frobenius and Hugo Obermaier, lAbbé Henri Breuil, L. Joleaud, and Raymond Vaufrey. A notable part of the work was devoted to the engravings of the El-Bayadh region. For Henri Lhote the South Oran region constitutes one of the three centres of art of the antelope age with Tassili and Fezzan. The oldest of these engravings, on the hand, show many affinities with those of Tassili which he proposes the minimum date of around 5000. There is therefore room, according to him, to adopt it also for the South-Oranian material until better information may be forthcoming, the region of El-Bayadh on WikiMapia. The classification proposed by G. B. M. Flamand based on a study of techniques and patinas distinguished a first group of naturalistic engravings, a second, libyco-berber group and two late groups. For Hugo Obermaier there exist two sub-groups in the engravings, the older being of naturalistic style, the more recent of sub-naturalistic style. The cult of the ram with the sphere was, according to him, Henri Breuil for his part distinguished three stages. In Stage I, contemporary with the end of the Capsian, he places the large hartebeest with ringed horns, the elephants, and the very style-accomplished as well as large human figures. Stage II, which he attributes to the Lower Neolithic, brings together the large ram of Bou Alem, the ram, for him, had not yet been domesticated but only tamed, and its cult is rather the origin than the reflex to the Egyptian belief. Stage III includes the figures in decadent style. C, the ram, which he considers domesticated, is only a transposition of the Egyptian cult of Ammon and the representations of it cannot be older than 2200 B. C. For Henri Lhote however, there is no any archaeological argument which should cause one to separate the rams, supposed to be later, from the giant hartebeest, Henri Lhote distinguished seven series in the mural art of the South Oranian. Large engravings of monumental naturalistic style, or Large-scale Hartebeest style, beside the great hartebeest, elephants and rhinoceros, Lhote placed the numerous ostriches and antelopes, boars, lions and panthers. The animals are represented absolutely in profile apart from the hartebeest, Lhote placed in this ensemble the human images which accompany them. No human figure with animal head having been found, he observed that the hartebeest ensembles of the Saharan Atlas differ from those of Tassili-n-Ajjer and of Fezzan where these figures are running. The author also thinks that the domestication of the dog was achieved in this period and this first stage also includes the mythic animals
41.
Rock art of the Djelfa region
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The rock art of the Djelfa region in the Ouled Naïl Range consists of prehistoric engravings of Neolithic age which have been recognized since 1914. Following the Saharan Atlas Mountains they follow on from those, to the west, of south Oran, comparable engravings have also been described further to the east, in the Constantine region. Some of the engravings of the Djelfa region seem to have known since the 1850s. Among the best-known, those of Zaccar were discovered in 1907, in total more than 1,162 engravings have been discovered in the region. It may therefore be possible to them making use of the hypotheses. Some belong to the earliest stage of the large-scale Hartebeest school, like The Apollo of Ouled Naïl, the region of Djelfa on Wikimapia. Around the road from Djelfa to Laghouat twenty-three stations are shown, three stations are in addition mentioned to the east of Djelfa, no 1,2,3. Three other sites are found to the west, n°37,36,35. Around the road from Djelfa to Messaad twelve stations follow roughly from north to south, to the east of Messad two final stations are named, no 43 and 15. They are by-and-large arranged in separate groups, the monumental friezes or very richly decorated murals like those of Oued el Hesbaïa or Aïn Naga being exceptions. Recognizing that the engravings of the Djelfa region are similar to those of south Oran by subject and technique, P. Huard and L. What is more The bovidian stage, which would only in the fourth place in the sequence of the south-Oranian. Deducing that these show that in the two sectors, its origin must certainly be more ancient, Huard and Allard prefer to speak of a pastoral stage of long duration, with cows. In the stage of Hunters the authors gather the depictions of the wild fauna, ancient buffalo, elephants, rhinoceros, lions, ostriches. Of the seventeen buffalo recorded in the region, twelve belong to the large and they are found at Oued el Hesbaïa, Aïn Naga, at Station de lAutruche, Djebel Doum, Safiet el Baroud, Hadjra Mokhotma north, Kheneg Hilal and Ben Hallouane. Large, medium or small, the twenty-two elephants seem to belong to various ages. The largest, naturalistic in style, are found at Aïn Naga, Theniet bou Mediouna I, Oued Remeilia, Aïn Mouilha, Oued el Hesbaïa, Safiet Bou Khenan, Zaccar, Feidjet Elleben and Bou Sekkin. Seven rhinoceros, of quality and often decadent in style, are recorded at five stations, at Oued Remeila, Feidjet Elleben, Bou Sekkin, Aïn Naga
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Saharan rock art
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Saharan rock art is a significant area of archaeological study focusing on artwork carved or painted on the natural rocks of the central Sahara desert. The rock art dates from numerous periods starting c.12,000 years ago, the paintings and carvings of the Sahara are endangered, and vulnerable rock art on uncovered rock has already disappeared. Organizations such as the Trust for African Rock Art are researching and recording as much information about Saharan rock art as possible, while raising awareness of threats to the art itself, the mountains are volcanic and are approximately 300 miles long and 175 miles wide. The rock art that exists in these mountains was created before dramatic climate change in the Saharan Desert caused the inhabitants to move towards the Nile Valley, large animal engravings and other rock art dates to between 12,000 and 4,000 years ago. Ennedi, Chad, Next to the Tibesti Mountain chain is another chain named Ennedi. Much of the art in this area is from the Horse Period. Pastoral Period art was shown here. Messak Settafet, Libya, Abundant rock art is found in this location, Art is made from engraving techniques such as grinding, pecking, and scratching. Outlines of animals are found in blackened sandstone, tadrart Acacus, Libya, Near the sand dune of Murzuk, bordering Tassili nAjjer, exists 12,000 year old prehistoric rock art. It appears to much of the same culture as the Tassili nAjjer rock art. There are over 15,000 individual pieces of artwork in Tassili nAjjer, the art includes paintings and engravings into the rock that depicts the culture of Africans up to 12,000 years ago. The site was founded by French anthropologist Henri Lhote 50 years ago, many photographs are taken of the art so it can be studied further. Dating the art of the Sahara is made possible through radiometric dating of organic material, organic artifacts found at the sites can be dated, as can some residues on the rock art itself. Large Wild Fauna Period This was a time when Saharan hunter-gatherer societies made rock art and these images included animals that were hunted or were in their surrounding area, including hippos, rhinos, elephants giraffes, bubalus, aurochs, and large antelopes. Many of those no longer exist in the Sahara due to changes in climate that have caused the desiccation of the desert over the past several thousand years. Humans are shown hunting with spears and axes, the artwork portrays not only hunting, but the relationship between humans and animals. Most of the artwork can be found in Tassili nAjjer, Algeria, round Head Period Hunter-gatherers on the Tassili Plateau painted distinctive human figures with round, featureless heads. Pastoral Period During this period, humans were depicted with domesticated cattle, pictures show cultures herding animals and hunting as well, portrayed through men holding bows
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