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Like true algae, cyanobacteria are photosynthetic and contain photosynthetic pigments, which is why they are usually green or blue. Cyanobacteria are found almost everywhere; in oceans, lakes and rivers as well as on land. They flourish in Arctic and Antarctic lakes, [23] hotsprings [24] and wastewater treatment plants. [25]
Blue-green algae illness symptoms in humans. According to the Wisconsin DHS, blue-green algae exposure can cause the following symptoms in humans: Sore throat. Congestion. Cough. Wheezing ...
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.
Blue-Green Algae (Cyanobacteria) and their Toxins (Health Canada) Toxic cyanobacteria in water: A guide to their public health consequences, monitoring, and management (WHO) Cyanobacteria and Cyanotoxins: Information for Drinking Water Systems (EPA) Cyanobacteria Are Far From Just Toledo's Problem By Carl Zimmer, Aug. 7, 2014(The New York Times)
What is blue-green algae? Is it harmful to humans? ... To report symptoms from exposure to a harmful algal bloom or any aquatic toxin to the Florida Poison Information Center, call 1-800-222-1222 ...
The Department of Water Resources has issued a caution advisory warning residents to avoid Silverwood Lake, due to harmful cyanobacteria, or blue-green algae.
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]
A further experiment in 1997 measured the LD 50 as 52 mg/kg at 24 hours and 32 mg/kg at 7 days, however the data suggested that another toxic compound was present in the isolate of sonicated cells used; [18] predictions made by Ohtani et al. [8] about the 24‑hour toxicity were considerably higher, and it was proposed that another metabolite ...
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