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Cyanobacteria (blue-green algae) bloom on Lake Erie (United States) in 2009. These kinds of algae can cause harmful algal bloom. A harmful algal bloom (HAB), or excessive algae growth, is an algal bloom that causes negative impacts to other organisms by production of natural algae-produced toxins, mechanical damage to other organisms, or by other means.
A very large algae bloom in Lake Erie, North America, which can be seen from space. An algal bloom or algae bloom is a rapid increase or accumulation in the population of algae in freshwater or marine water systems. It is often recognized by the discoloration in the water from the algae's pigments. [1] The term algae encompasses many types of ...
Lake Erie (42.2° N, 81.2W) has a mean elevation of 571 feet (174 m) [8] above sea level. It has a surface area of 9,990 square miles (25,874 km 2) [7] with a length of 241 statute miles (388 km; 209 nmi) [7] and breadth of 57 statute miles (92 km; 50 nmi) [7] at its widest points. It is the shallowest of the Great Lakes with an average depth ...
Lake Erie in October 2011, during an intense cyanobacteria bloom [1] [2] Microcystins—or cyanoginosins—are a class of toxins produced by certain freshwater cyanobacteria, commonly known as blue-green algae. [3] Over 250 [4] different microcystins have been discovered so far, of which microcystin-LR is the most common.
Microcystis aeruginosa. Microcystis aeruginosa is a species of freshwater cyanobacteria that can form harmful algal blooms of economic and ecological importance. They are the most common toxic cyanobacterial bloom in eutrophic fresh water. Cyanobacteria produce neurotoxins and peptide hepatotoxins, such as microcystin and cyanopeptolin. [1]
The Great Lakes from space. Great Lakes Areas of Concern are designated geographic areas within the Great Lakes Basin that show severe environmental degradation. There are a total of 43 areas of concern within the Great Lakes, 26 being in the United States, 12 in Canada, and five shared by the two countries. The Great Lakes, the largest system ...
Cyanobacteria (blue-green algae) Algae (UK: / ˈælɡiː / AL-ghee, US: / ˈældʒiː / AL-jee; [ 3 ]sg.: alga / ˈælɡə / AL-gə) are any of a large and diverse group of photosynthetic, eukaryotic organisms. The name is an informal term for a polyphyletic grouping that includes species from multiple distinct clades.
Stylobryon. Stylobryon is a monotypic genus of golden algae in the family Dinobryaceae. It has one known species Stylobryon insignis Fromental, 1874. [1] Stylobryon has been found in numerous lakes, notably Lake Erie. [2]