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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, water deoxygenation, mechanical damage to other organisms, or by other means.
Marine dinoflagellate species are often toxic, but freshwater species are not known to be toxic. Neither are diatoms known to be toxic, at least to humans. [33] In freshwater ecosystems, algal blooms are most commonly caused by high levels of nutrients (eutrophication). The blooms can look like foam, scum or mats or like paint floating on the ...
Harmful Algal Blooms (EPA), n.d. retrieved 12 Nov 2018; 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)
Toxic algal blooms regularly infest the 730-square-mile lake during the summer, producing fumes and poisons that can kill pets or and send humans to the doctor from inhaling the toxins, according ...
Algae is visible at the J & S Fish Camp (S-135) Lock in western Martin County April 9, 2024. Samples were confirmed to be positive for low levels of microcystin, a substance know to be toxic to ...
Toxic algae or cyanobacteria grow naturally in fresh water with the right light, temperature and available nutrients, according to the health department. These algae blooms can produce toxins that ...
Alexandrium is a genus of dinoflagellates. It contains some of the dinoflagellate species most harmful to humans, because it produces toxic harmful algal blooms (HAB) that cause paralytic shellfish poisoning (PSP) in humans.
Blue-green algae and cyanobacteria are a natural part of freshwater ecosystems and are not all toxic, but state scientists sampled the nearby bloom Aug. 1 and detected microcystin toxins harmful ...