USGS · 70155198
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William R. Green, Paul R. Easley. 2014. Real-time water quality ,onitoring in Lake Maumelle, Arkansas. https://pubs.usgs.gov/publication/70155198
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The use of the phrase “harmful algal bloom” and the acronym HAB originated in the marine science world, and referred to blooms also known as red tides, which can kill fish and sea life. The organisms that make up marine HABs generally do not thrive in lakes. In freshwater, HABs are most often associated with blooms of toxin-producing cyanobacteria. The term HAB started to be used broadly in the early 2000s to encompass both marine and freshwater phenomena. Beyond just lakes, cyanobacterial blooms occur in reservoirs, impoundments, streams, rivers, estuaries, or brackish water all over the world (Meriluoto 2017). In addition to cyanobacteria, other freshwater algal groups can accumulate and lead to detrimental impacts on humans, animals, the environment, and the economy.
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Cyanobacterial blooms, and associated cyanotoxin occurrence, are a concern because of the potential harms posed to humans, wildlife, and aquatic ecosystem health. Evidence suggests the magnitude, frequency, and duration of cyanobacterial blooms are increasing, and these events represent a significant challenge to freshwaters and, increasingly, marine waters, worldwide. Cyanobacterial blooms routinely receive local and national attention because of occurrence in new locations, recreational closures, drinking-water impacts, animal illnesses and deaths, scientific advances, and novel management and mitigation strategies. Due to public information campaigns at local, state, and federal levels, the public is generally aware of what cyanobacterial blooms look like and potential risks posed to human and animal health. It is difficult now to imagine a time when cyanobacterial blooms were considered an occasional nuisance in lakes and reservoirs, well-known only by limnologists. When I began my career over twenty years ago, however, that was the status. Cyanobacteria were just beginning to capture attention, and they certainly captured mine.