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Title

The monitoring programme for harmful algal blooms in shellfish production areas in Catalonia. Long term data and impact on aquaculture

AuthorsDiogène, Jorge; Fernández-Tejedor, Margarita; Cañete, E.; Caillaud, Amandine; Mallat, E.; Delgado, Maximino ; Furones, M. Dolores
Issue Date2008
PublisherInternational Society for the Study of Harmful Algae
CitationProceedings of the 12th International Conference on Harmful Algae: 80-82 (2008)
AbstractThe monitoring programme for harmful algal blooms (HABs) in shellfish production areas in Catalonia focuses mainly on shellfish harvesting areas in sandy sediments along the shore (mainly natural production sites of clams) and production areas within the semi-confined areas (mainly oyster and mussel cultures). HAB incidences in production areas include recurrent events with presence of toxins in shellfish leading to DSP (e.g., Dinophysis sacculus), PSP (e.g., Alexandrium minutum) and to a much lesser extent ichthyotoxic events (Karlodinium spp.). An estimate of the percentage of closure periods indicates that annually these figures have increased since 1989, DSP events being the major cause for administrative closures. For the period 2002-2005 closure time in shellfish production areas reached maxima of 23 % (84 days in Alfacs Bay during 2002 for DSP) and 17 % (62 days in Alfacs Bay during 2005 for DSP). The economic impact of closures is irregular and depends on the time of the year closures occur
Description12th International Conference on Harmful Algae, Copenhagen, Denmark, 4-8 September 2006.-- 3 pages, 1 figure, 3 tables
Publisher version (URL)http://www.iode.org/index.php?option=com_oe&task=viewDocumentRecord&docID=10443
URIhttp://hdl.handle.net/10261/86386
ISBN978-87-990827-1-1
Appears in Collections:(ICM) Libros y partes de libros
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