[ISSHA] Invitation: Advanced International Colloquium and Technical Workshop on Fish-Killing Marine Algae and thier Effects

[Henrik Oksfeldt Enevoldsen]

Venue: Puerto Varas, Chile
Dates: 8th – 11th October, 2019


·         Fish-killing algal blooms are of increasing concern to socio-economic interests linked to the sustainability and security of seafood and living resources. Development of fisheries and aquaculture as part of integrated coastal resource management are particularly susceptible to the threat of ichthyotoxic events and their consequences. Whereas these events are categorized as “fish-killing”, there are associated impacts on other components of coastal marine ecosystems, including wild fish populations, benthic macrofauna and macrophytes.


·         Outside the aquaculture and fisheries industry sector, there has been inadequate consideration of fish-killing algae and the topic has not been systematically addressed within the scientific community on a global basis. Known ichthyotoxic marine algae are usually identifiable as causative organisms, but there remain taxonomic and biogeographical uncertainties in the distribution of the species. The role of climate change leading to regime shifts and hence possible increased frequency, magnitude and biogeographical distribution of fish-killing algal blooms poses a challenge to understanding the future ocean.


·         Knowledge of the environmental factors driving bloom dynamics are not fully understood, and this has hampered the development of predictive models for forecasting and risk assessment of fish-killing events. Even the proposed mechanisms whereby exposure to such blooms causes fish morbidity and mortalities are highly controversial and lack scientific consensus. Furthermore, there is only limited application and lack of standardization of current fish- or cell-based bioassay methods for assessing ichthyotoxicity.

The  Advanced International Colloquium and Technical Workshop, under the auspices of the IOC-IPHAB and as part the SCOR-IOC GlobalHAB science agenda, will comprehensively address these gaps in knowledge and will yield a synthesis of current state-of-knowledge linked to strategies for technological and scientific approaches to mitigating the impacts.

Contact: Leonardo Guzman leonardo.guzman at ifop.cl<mailto:leonardo.guzman at ifop.cl>   / Allan Cembella allan.cembella at awi.de<mailto:allan.cembella at awi.de>

More Info: http://hab.ioc-unesco.org/index.php?option=com_oe&task=viewDocumentRecord&docID=25193

Best regards,

[http://ioc3.unesco.org/ioc-unesco-36px.gif]Henrik Enevoldsen
Intergovernmental Oceanographic Commission of UNESCO

Head, IOC Science and Communication Centre on Harmful Algae
University of Copenhagen
Marine Biological Section
Universitetsparken 4
2100 Copenhagen Ø
Denmark
Tel.: +45 23260246
E-mail: h.enevoldsen at unesco.org<mailto:h.enevoldsen at unesco.org>
Skype: henrik.oksfeldt.enevoldsen

Visit the IOC HAB website http://www.ioc-unesco.org/hab or find out what IOC stands for : One Planet, One Ocean<https://www.youtube.com/watch?v=YyiuLwhUpH4>

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