Harmful Algal Blooms. A scientific summary for policy makers


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Allan.Cembella [ at ] awi.de

Abstract

What is a Harmful Algal Bloom (HAB)? Photosynthetic algae support healthy aquatic ecosystems by forming the base of the food web, fixing carbon and producing oxygen. Under certain circumstances, some species can form high-biomass and/or toxic proliferations of cells (or “blooms”), thereby causing harm to aquatic ecosystems, including plants and animals, and to humans via direct exposure to water-borne toxins or by toxic seafood consumption. Ecosystem damage by high-biomass blooms may include, for instance, disruption of food webs, fish-killing by gill damage, or contribution to low oxygen “dead-zones” after bloom degradation. Some species also produce potent natural chemicals (toxins) that can persist in the water or enter the food web, leading to illness or death of aquatic animals and/or human seafood consumers.



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Miscellaneous
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Not peer-reviewed
Publication Status
Published
Eprint ID
47904
Cite as
Kudela, R. , Berdalet, E. , Bernard, S. , Burford, M. , Fernand, L. , Lu, S. , Roy, S. , Usup, G. , Tester, P. , Magnien, R. , Anderson, D. , Cembella, A. , Chinain, M. , Hallegraeff, G. , Reguera, B. , Zingone, A. , Enevoldsen, H. and Urban, E. (2015): Harmful Algal Blooms. A scientific summary for policy makers , [Miscellaneous]


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