Trophic state index
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The Trophic State Index is a classification system designed to rate water bodies based on the amount of biological productivity they sustain. Although the term "trophic index" is commonly applied to l
Lake George, New York, an oligotrophic lake
Lake Kurtkowiec, an oligotrophic lake in the Tatra Mountains of southern Poland
Algal bloom in a village river in the mountains near Chengdu, Sichuan, China
Aerial view of Slapton Sands and northern part of Ley geograph.org.uk 1434412
Einar Naumann
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Einar Christian Leonard Naumann was a Swedish botanist and limnologist who was professor of limnology at the University of Lund. Naumann worked during the summers at the Fishery Station in Aneboda, wh
Einar Naumann
