Harmful algal bloom
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A harmful algal bloom, or excessive algae growth, sometimes called a red tide in marine environments, is an algal bloom that causes negative impacts to other organisms by production of natural algae-p
Cyanobacteria algae on the coast of northern Germany
A harmful algal bloom event off the coast of San Diego, California
Harmful algal bloom in a harbor in Japan
A harmful coastal algal bloom event
Karenia brevis
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Karenia brevis is a microscopic, single-celled, photosynthetic organism in the genus Karenia. It is a marine dinoflagellate commonly found in the waters of the Gulf of Mexico. It is the organism respo
Harmful algal bloom
…coastal areas are also often referred to as "red tides". The term "red tide" is derived from blooms of any of several species of dinoflagellate, such as Karenia brevis. However, the term is misleading since algal blooms can widely vary in color, and growth of algae is unrelated to the tides. Not all red tides are…
Karenia brevis
Florida manatee