Fish-Killing Marine Algal Blooms:: Causative Organisms, Ichthyotoxic Mechanisms, Impacts and Mitigation.

G M Hallegraeff; D. M.  Anderson; Keith Davidson; Fatima Gianella; PJ Hansen

Fish-Killing Marine Algal Blooms: Causative Organisms, Ichthyotoxic Mechanisms, Impacts and Mitigation.

G M Hallegraeff, D. M. Anderson, Keith Davidson, Fatima Gianella, PJ Hansen

SAMS UHI

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Abstract

Fish-killing microalgal blooms are responsible for much greater global socio-economic impacts than the well-studied HAB species causing seafood biotoxin contamination. Examples are the 1972 Chattonella marina bloom in the Seto Inland Sea, Japan (estimated USD 71M loss to yellowtail aquaculture), the 1988 Prymnesium polylepis bloom in the European Kattegat with broad marine ecosystem impacts, and the 2015/16 Pseudochattonella verruculosa bloom in Chile (USD 800M loss to salmon aquaculture). Highly potent fish-killers include the globally distributed, taxonomically unrelated dinoflagellate genera Alexandrium, Karenia, Karlodinium and Margalefidinium, raphidophytes Chattonella and Heterosigma, dictyochophytes Pseudochattonella and Vicicitus, and haptophytes Chrysochromulina and Prymnesium. All these species have in common their propensity to produce lytic compounds that irreparably damage the sensitive gill tissues of fish which ultimately die from suffocation. Except for recen.....

Original language	English
Place of Publication	Paris, France
Publisher	UNESCO
Number of pages	96
Publication status	Published - 10 Oct 2023

Publication series

Name	IOC Manuals and Guides
Publisher	UNESCO-IOC/SCOR.
No.	93

Keywords

Aquaculture
Fish Farms
Insurance Companies
Algal Blooms
Fish kills
Harmful Algal Blooms (HABs)
Icthytoxins
Toxins

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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Fish-killing Algae Version C
Attribution-ShareAlike 3.0 IGOExcept where otherwise noted, this item's license is described as Attribution-ShareAlike 3.0 IGO
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https://repository.oceanbestpractices.org/handle/11329/2376Licence: CC BY-SA

Cite this

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title = "Fish-Killing Marine Algal Blooms:: Causative Organisms, Ichthyotoxic Mechanisms, Impacts and Mitigation.",

abstract = "Fish-killing microalgal blooms are responsible for much greater global socio-economic impacts than the well-studied HAB species causing seafood biotoxin contamination. Examples are the 1972 Chattonella marina bloom in the Seto Inland Sea, Japan (estimated USD 71M loss to yellowtail aquaculture), the 1988 Prymnesium polylepis bloom in the European Kattegat with broad marine ecosystem impacts, and the 2015/16 Pseudochattonella verruculosa bloom in Chile (USD 800M loss to salmon aquaculture). Highly potent fish-killers include the globally distributed, taxonomically unrelated dinoflagellate genera Alexandrium, Karenia, Karlodinium and Margalefidinium, raphidophytes Chattonella and Heterosigma, dictyochophytes Pseudochattonella and Vicicitus, and haptophytes Chrysochromulina and Prymnesium. All these species have in common their propensity to produce lytic compounds that irreparably damage the sensitive gill tissues of fish which ultimately die from suffocation. Except for recen.....",

keywords = "Aquaculture, Fish Farms, Insurance Companies, Algal Blooms, Fish kills, Harmful Algal Blooms (HABs), Icthytoxins, Toxins",

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AU - Anderson, D. M.

AU - Davidson, Keith

AU - Gianella, Fatima

AU - Hansen, PJ

N1 - © UNESCO/SCOR 2023 This publication is available in Open Access under the Attribution-ShareAlike 3.0 IGO (CC-BY-SA3.0 IGO) licence (http://creativecommons.org/licenses/by-sa/3.0/igo/). By using the content of this publication, the users accept to be bound by the terms of use of the UNESCO Open Access Repository (http://www.unesco.org/open-access/terms-use-ccbysa-en)

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N2 - Fish-killing microalgal blooms are responsible for much greater global socio-economic impacts than the well-studied HAB species causing seafood biotoxin contamination. Examples are the 1972 Chattonella marina bloom in the Seto Inland Sea, Japan (estimated USD 71M loss to yellowtail aquaculture), the 1988 Prymnesium polylepis bloom in the European Kattegat with broad marine ecosystem impacts, and the 2015/16 Pseudochattonella verruculosa bloom in Chile (USD 800M loss to salmon aquaculture). Highly potent fish-killers include the globally distributed, taxonomically unrelated dinoflagellate genera Alexandrium, Karenia, Karlodinium and Margalefidinium, raphidophytes Chattonella and Heterosigma, dictyochophytes Pseudochattonella and Vicicitus, and haptophytes Chrysochromulina and Prymnesium. All these species have in common their propensity to produce lytic compounds that irreparably damage the sensitive gill tissues of fish which ultimately die from suffocation. Except for recen.....

AB - Fish-killing microalgal blooms are responsible for much greater global socio-economic impacts than the well-studied HAB species causing seafood biotoxin contamination. Examples are the 1972 Chattonella marina bloom in the Seto Inland Sea, Japan (estimated USD 71M loss to yellowtail aquaculture), the 1988 Prymnesium polylepis bloom in the European Kattegat with broad marine ecosystem impacts, and the 2015/16 Pseudochattonella verruculosa bloom in Chile (USD 800M loss to salmon aquaculture). Highly potent fish-killers include the globally distributed, taxonomically unrelated dinoflagellate genera Alexandrium, Karenia, Karlodinium and Margalefidinium, raphidophytes Chattonella and Heterosigma, dictyochophytes Pseudochattonella and Vicicitus, and haptophytes Chrysochromulina and Prymnesium. All these species have in common their propensity to produce lytic compounds that irreparably damage the sensitive gill tissues of fish which ultimately die from suffocation. Except for recen.....

KW - Aquaculture

KW - Fish Farms

KW - Insurance Companies

KW - Algal Blooms

KW - Fish kills

KW - Harmful Algal Blooms (HABs)

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KW - Toxins

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