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A future for marine fisheries in Europe (Manifesto of the Association Francaise d'Halieumetrie) ArchiMer
Gascuel, D.; Bez, Nicolas; Forest, Andre; Guillotreau, P.; Laloe, F.; Lobry, Jeremy; Mahevas, Stephanie; Mesnil, Benoit; Rivot, Etienne; Rochette, S.; Trenkel, Verena.
We, members of the Association Francaise d'Halieumetrie, share the conviction that European fisheries have a future. It is time to get off the wrong track. Radical change is required to embark on the path of sustainable development and truly implement the ecosystem approach to fisheries. Today, high fishing pressure is deployed to catch a rare resource, which in return is responsible for the rarity. We must reverse the situation: an abundant resource that affords high catches applying moderate fishing pressure. All management tools and especially all actors must be mobilized. The transition is not simple, and European solidarity must accompany the changes. It is well worth the effort. By reducing fishing pressure, it will be possible in the medium term to...
Tipo: Text Palavras-chave: Access regulation; Ecosystem approach to fisheries; European Common Fishery Policy; ITQ; MPA; MSY; Management plan; Overcapacity; Subsidies.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00035/14598/11947.pdf
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Effect of nursery habitat degradation on flatfish population: Application to Solea solea in the Eastern Channel (Western Europe) ArchiMer
Rochette, S.; Rivot, Etienne; Morin, Jocelyne; Mackinson, S.; Riou, Philippe; Le Pape, Olivier.
Estuaries and coastal waters are essential nursery habitats for many marine species, and especially for flatfishes. Thus, investigating how anthropogenic disturbances affect the quality of these habitats is of major importance to understand their consequences on the population renewal of marine species. The aim of the present study was to analyse the effects of estuarine habitat degradation on the population of the common sole in the Eastern Channel, a key species in the fish community and fisheries in this area. We especially focused on the drastic drop in the surface area and on the low water quality of the Seine estuary, the main river of the Eastern Channel. A geographic Information System (GIS) was used to develop quantitative maps of sole nursery...
Tipo: Text Palavras-chave: Solea solea; Nursery; Habitat Mapping; Anthropogenic Disturbance; Seine Estuary; Recruitment.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00008/11921/9799.pdf
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Reduction of flatfish habitat as a consequence of the proliferation of an invasive mollusc ArchiMer
Kostecki, Caroline; Rochette, S.; Girardin, R.; Blanchard, Michel; Desroy, Nicolas; Le Pape, Olivier.
Coastal bays provide habitats for juveniles and adults of many marine species. Mont Saint-Michel Bay (MSMB, France) hosts a highly diversified fish community and constitutes one of the most important nursery grounds for many commercially exploited marine species, such as sea bass, flatfish, clupeids and rays in the English Channel. Besides, MSMB also suffers from the massive invasion of an exotic mollusc, the American slipper-limpet (Crepidula fornicata, L). This species arrived four decades ago and now represents the main filter-feeder biomass in the bay (150 Mt), an order of magnitude larger than local farmed and natural shellfishes. Recent analyses underlined the impact of this small gastropod on the trophic structure of this bay and its negative...
Tipo: Text Palavras-chave: Spatial competition; Flatfish habitat; Crepidula fornicata; Invasive species; Mont Saint-Michel Bay.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00035/14641/11990.pdf
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