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Cyanobacteria are found almost everywhere, but particularly in lakes and in the ocean where, under high concentration of phosphorus conditions, they reproduce exponentially to form blooms. Blooming cyanobacteria can produce cyanotoxins in such concentrations that they can poison and even kill animals and humans.
Toxic cyanobacteria have caused major water quality problems, for example in Lake Taihu (China), Lake Erie (USA), Lake Okeechobee (USA), Lake Victoria (Africa) and the Baltic Sea. [32] [272] [273] [274] Climate change favours cyanobacterial blooms both directly and indirectly. [32] Many bloom-forming cyanobacteria can grow at relatively high ...
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, water deoxygenation, mechanical damage to other organisms, or by other means.
Toxic algae blooms in Pierce County lakes are risky for pets and animals, but human beings should also avoid and report them. ... Blue-green algae, also known as cyanobacteria, typically grows in ...
Klamath Lake AFA, also called Klamath Lake Blue Green Algae and Klamath AFA (Aphanizomenon flos-aquae MDT14a), is a strain of Aphanizomenon flos-aquae. Small amounts of this cyanobacteria can be found in bodies of water worldwide, [1] but it is notable for growing prolifically in Upper Klamath Lake, Oregon.
What is blue-green algae? According to the Walworth County DHHS, "Blue-green algae are photosynthetic bacteria known as 'cyanobacteria,' which can cause illness and death in humans and animals.
There have been cases of non-lethal poisoning in humans who have ingested water from streams and lakes that contain various genera of cyanobacteria that are capable of producing anatoxin-a. The effects of non-lethal poisoning were primarily gastrointestinal: nausea, vomiting, diarrhea, and abdominal pain. [12]
The Chinese general Zhu-Ge Liang was the first to observe cyanobacteria poisoning about 1000 years ago. He reported the death of troops who drank green coloured water from a river in southern China. [citation needed] The first published report of an incidence of cyanobacteria poisoning dates from the poisoning of an Australian lake in 1878. [24]