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Harmful Algal Blooms

Fact Sheet 2006-3147

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Abstract

What are Harmful Algal Blooms (HABs)? Freshwater and marine harmful algal blooms (HABs) can occur anytime water use is impaired due to excessive accumulations of algae. HAB occurrence is affected by a complex set of physical, chemical, biological, hydrological, and meteorological conditions making it difficult to isolate specific causative environmental factors. Potential impairments include reduction in water quality, accumulation of malodorous scums in beach areas, algal production of toxins potent enough to poison both aquatic and terrestrial organisms, and algal production of taste-and-odor compounds that cause unpalatable drinking water and fish. HABs are a global problem, and toxic freshwater and (or) marine algae have been implicated in human and animal illness and death in over 45 countries worldwide and in at least 27 U.S. States (Yoo and others, 1995; Chorus and Bartram, 1999; Huisman and others, 2005).

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Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Harmful Algal Blooms
Series title:
Fact Sheet
Series number:
2006-3147
Edition:
-
Year Published:
2007
Language:
ENGLISH
Contributing office(s):
Kansas Water Science Center
Description:
2 p.