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Title

Regional changes in harmful algal events in the North Atlantic area over the last two decades documented using the HAEDAT database

AuthorsBresnan, E.; Andersen, P.; Anderson, Donald M.; Anglès, Silvia ; Arin, Laura ; Belin, C.; Branco, M.; Cembella, Allan; Davidson, Keith; Delgado, Maximino ; De Rijke, M.; Diogène, Jorge; Eikrem, Wenche; Fernandez, L.; Fernandez, R.; Fernández-Tejedor, Margarita; Garcés, Esther ; Gordillo, M.; Guðfinnsson, H.; Jean, D.; Karlson, Bengt; Kobos, J.; Kremp, Anke; Kulis, D.; Lemione, M.; Mazur-Marzec, H.; McKenzie, Cynthia; McKinney, A.; Milligan, S.; Naustvoll, L.J.; Ocana, A.; Pazos, Yolanda ; Poelman, M.; Provoost, P.; Reguera, B.; Sampedro, Nagore ; Siano, Raffaele; Silke, J.; Vila, Magda ; Viure Feliu, Laia ; Enevoldsen, Henrik; Maman, L.
Issue Date21-Oct-2018
PublisherInternational Society for the Study of Harmful Algae
CitationThe 18th International Conference on Harmful Algae : From ecosystems to socio-ecosystems : Abstract book: 127 (2018)
AbstractThe International Council for the Exploration of the Sea (ICES) - Intergovernmental Oceanographic Commission of UNESCO (IOC) Working Group on Harmful Algal Bloom Dynamics (WGHABD) has entered data into the Harmful Algal Event (HAEDAT) database for the last 20 years. These entries report information about harmful algal events that result in management actions such as closures of shellfish harvesting areas, have a negative impact on human health (e.g. illness) or the environment (e.g. fish kills, mortalities of marine mammals). These data, collected mainly from routine monitoring programmes, provide a wealth of information that is not routinely accessible for scientific assessment. WGHABD is producing a status report based on the incidence of HAB events in the ICES area which will contribute to a Global HAB Status Report. These HAEDAT data reveal a regional distribution in harmful algal events in the North Atlantic area. On the east coast of the USA and Canada, the majority of issues have been caused by paralytic and amnesic shellfish toxins (PST, AST). In contrast, diarrhetic shellfish toxins (DST) has been the dominant cause of problems in Europe while cyanobacteria events were largely restricted to the Baltic. HAEDAT also provides information about changes in the incidence of harmful algal events over time, e.g. the recent increased recording of DST events in the USA, a reduction in the incidence of PST closures in Scottish waters at the beginning of this century. HAEDAT is an essential source of information to support investigation of environmental drivers such as climate change on the incidence of harmful algal events on a regional scale
DescriptionThe 18th International Conference on Harmful Algae (ICHA), From ecosystems to socio-ecosystems, 21-26 October 2018, Nantes, France.-- 1 page
Publisher version (URL)https://www.icha2018.com/abstracts/abstract-book/73
URIhttp://hdl.handle.net/10261/185526
Appears in Collections:(ICM) Comunicaciones congresos
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