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Le projet ANR-COMANCHE 2010-STRA-010. Interactions écosystémiques et impacts anthropiques dans les populations de COquilles Saint-Jacques (Pecten maximus) de la MANCHE. Rapport scientifique final ArchiMer
Foucher, Eric; Blanchard, Michel; Cugier, Philippe; Desroy, Nicolas; Dreanno, Catherine; Fauchot, Juliette; Fifas, Spyros; Guyader, Olivier; Jean, Frederic; Le Gallic, Bertrand; Riou, Philippe; Schapira, Mathilde; Thiebaut, Eric.
The King scallop Pecten maximus constitutes the first landed species in terms of tonnage and the second or third one in terms of value for the French fisheries. More than 90% of these landings come from the English Channel indicating that its exploitation is essential to local fleets. The COMANCHE project (Ecosystem Interactions and anthropogenic impacts on King scallops populations in the English Channel) proposed to improve the knowledge of the scallop within the Channel, through an ecosystem-based approach for fisheries, appealing to a wide range of scientific disciplines (physics, chemistry, genetics, ecology, geostatistics, modeling, economics ....). Researches on the spatial location of scallop beds, connectivity by larval dispersal between beds,...
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Ano: 2015 URL: http://archimer.ifremer.fr/doc/00251/36236/34797.pdf
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Quantitative sampling of soft-bottom macroepifauna for assessing the benthic system in the bay of brest (france) ArchiMer
Jean, Frederic; Hilly, C.
Macroepifauna of mixed sediments was quantitatively studied at three stations in the Bay of Brest. Samples were collected with the quantitative video dredge Aquareve II. Sampling performance varied from 6.1 to 55.6 m2 according to the mesh diameter of the net (10, 40, and 70 mm) and the quality and quantity of the hard structures lying on the bottom. The efficiency of the different sampling options is tested. The ecological analysis shows differences between epifaunal assemblages, which are mainly explained by the characteristics of the ruggedness in each station. Ruggedness is defined in terms of quality and quantity of hard structures (pebbles, gravel, shells, coraline algae and macroalgae) lying on the sediment surface. Hard substrates act as...
Tipo: Text Palavras-chave: EPIBENTHOS; SAMPLING METHOD; QUANTITATIVE DISTRIBUTION; MICROHABITATS; TROPHIC WEB.
Ano: 1994 URL: http://archimer.ifremer.fr/doc/00098/20894/18508.pdf
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