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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.
A harmful algal bloom (HAB) is an algal bloom that causes negative impacts to other organisms via production of natural toxins, mechanical damage to other organisms, or by other means. The diversity of these HABs make them even harder to manage, and present many issues, especially to threatened coastal areas. [ 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 surface of the water, but they are not always visible. Nor are the blooms always green; they can be blue, and some cyanobacteria species are coloured brownish-red.
Harmful Algal blooms are colonies of microscopic algae that grow out of control. They can be damaging to people, wildlife and the environment. How harmful algal blooms, or colonies of microscopic ...
No single cause identified for the thousands of crustaceans washed up on beaches last year but algal bloom is thought to be ‘significant’.
Blue-green algae, known as cyanobacteria or harmful algal blooms (HABs), has been confirmed at Devils Lake in Manitou Beach, a news release from the Lenawee County Health Department said.
A harmful blue-green algae bloom overwhelms a wild rice bed on Burnt Lake in the Boundary Waters Canoe Area Wilderness. There have been more observed reports of blue-green algae blooms in the ...
Under favorable conditions, toxin-producing dinoflagellates such as K. brevis flourish and grow to high concentrations, an event termed a "harmful algal bloom" or a "HAB". While there are many different types of these HABs and the effects can vary, K. brevis is the causative agent of Florida Red Tides.