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Registros recuperados: 5
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Effets de l'exploitation par la pêche sur la dynamique de diversité des peuplements de poissons démersaux : analyse comparée du rôle des interactions entre espèces dans le golfe de Gascogne et dans le golfe du Lion ArchiMer
Blanchard, Fabian.
This work deals with the fishing effects on the diversity dynamics of demersal fish communities, focusing on the biotic interactions. Multispecies indices are used in order to characterize the demersal fish community dynamics of the Bay of Biscay and of the Gulf of Lions. These are the diversity indices, the temporal variability of the total biomass and of the slope of the number size spectra and the slope of the species-area curves (spatial segregation). The yearly bottom trawl surveys EVHOE, CHALIST and MEDITS, carried out in these two areas since 1983 by IFREMER for the stocks assessment provide the data. The differences between areas are related to a fishing index (mean value of the annual landings of demersal fish per surface area). Other areas are...
Tipo: Text Palavras-chave: Gulf of Lions; Bay of Biscay; Medits; Chalist; Evhoe; Fishing effect; Diversity; Demersal fish; Golfe du Lion; Golge de Gascogne; Medits; Chalist; Evhoe; Descripteurs; Diversité des peuplements; Poissons démersaux.
Ano: 2000 URL: http://archimer.ifremer.fr/doc/2000/these-6670.pdf
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Estimation des stocks de poissons des lagons de Nouvelle-Calédonie : 2 – Stocks des poissons de fond et des poissons associés aux récifs coralliens ArchiMer
Kulbicki, M; Labrosse, Pierre; Letourneur, Y.
Fish stocks found on lagoon bottoms and near reefs are characterized by a high diversity and heterogeneous habitat which make stock estimation difficult. In particular, it is necessary to combine several methods in order to evaluate the major components of these stocks. The present study aimed at estimating reef fish stocks in the Northern Province of New Caledonia, a region where they represent a major target for the local fishermen. These estimates were based on experimental fishing with handlines and bottom longlines. Handlines were used to assess the stocks near reefs, and longlines for those in areas away from reefs and on lagoon soft bottoms. Handline stations (363) were sampled in three different regions (west, north and east lagoons) and three...
Tipo: Text Palavras-chave: Poissons démersaux; Évaluation de stocks; Palangrottes; Lignes à main; Fonds meubles; Récifs; Nouvelle-Calédonie; Océan Pacifique; Demersal fish; Stock assessment; Handline; Longline; Soft bottoms; Reefs; SW New Caledonia; Pacific Ocean.
Ano: 2000 URL: https://archimer.ifremer.fr/doc/00608/71969/70659.pdf
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Etat des principaux stocks de poissons démersaux et de langoustine exploités par la France en 1992 dans le Nord-Est Atlantique. ArchiMer
Mellon, Capucine; Charuau, Anatole; Tetard, Alain.
Fisheries are managed by stocks. A stock is defined by species and geographical area. Their management is international including all the countries which have a fishing activity in each geographical area. The International Council for Exploration of the Sea (ICES) is an international structure which undertakes to organize working groups each year. The groups are made up of scientists from different countries. Those experts are put in charge of assessing the most important stocks. The main results of these assessments are described in that report. The most important French and international landings of demersal fishes and nephrops in North-Eastern Atlantic are presented in the introduction of the report. The species are cod, whiting, saithe, haddock, sole,...
Tipo: Text Palavras-chave: Atlantique Nord-Est; Gestion des stocks; Espèces démersales exploitées; Poissons démersaux; Langoustine; Distribution géographique; Nord-East Atlantic; Stock assessment; Exploited demersal species; Demersal fishes; Nephrops; Geographical distribution.
Ano: 1994 URL: http://archimer.ifremer.fr/doc/00110/22145/19785.pdf
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Projet ANCRE-DMX2 : Indicateurs biologiques et écologiques pour une gestion durable des stocks de poissons DéMersauX profonds (100–700 m) d’intérêt halieutique à La Réunion ArchiMer
Roos, David; Aumond, Yoann; Huet, Jerome; Bruchon, Franck.
L'usage de la ligne à main mécanisée (moulinet électrique) s'est développé à La Réunion au cours des années 2000. Ce métier s’est développé à la suite d’une campagne de prospection des ressources halieutiques profondes (200-700m), menée conjointement par le CRPMEM et l’Ifremer en 2000. L’objectif de cette campagne par pêche au moulinet électrique visait à identifier de nouvelles ressources démersales à des fins de diversification pour la petite pêche artisanale côtière professionnelle réunionnaise. Ainsi, les premiers résultats de cette étude avaient mis en évidence l'existence de nouvelles espèces et des stocks encore peu exploités à l’époque. Leur exploitation par la pêche professionnelle mais aussi par la pêche plaisancière s’est dès lors développée...
Tipo: Text Palavras-chave: Poissons démersaux; Pêche profonde; La Réunion; Pêche artisanale côtière; Indicateurs biologiques et écologiques; Stock halieutique; Lutjanidae; Bramidae; Epinephelidae; Squalidae; Ligne à main mécanisée; Isotopes stables; Contenus stomacaux; Génétique; Sclérochronologie; Demersal fish; Deepwater fishery; Reunion island; Artisanal fishery; Bio-ecological indices; Fish stock; Lutjanidae; Bramidae; Epinephelidae; Squalidae; Electric reel fishing gear; Isotopic analyses; Stomach contents; Genetic; Sclerochronology.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00347/45812/45553.pdf
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Prospection des ressources côtières démersales profondes autour de La Réunion. Analyse des données des campagnes à la mer réalisées du 23/02/2000 au 28/07/2000. Rapport de synthèse des travaux confiés par le CRPMEM de La Réunion à l’Ifremer Délégation Océan Indien. ArchiMer
Roos, David; Tessier, Emmanuel; Taquet, Marc.
Data on the potential exploitation of deep demersal fish species in Reunion Island are very limited. The Regional Comitee for Sea Fisheries and Marine Breeding, with the scientific and technical support of Ifremer of La Reunion, has launched prospecting campaigns to identify and characterize deep-sea fish species (between 150 to 600 m deep), with an innovative method of catching with electric reel. The catches made concern mainly 5 main species (yields, frequency of catch, commercial interest). A new species, the brillant pomfret (Eumegistus illustris), as well as the longtail red snapper (Etelis coruscans), are the both main resources that can be exploited by the electric reel technique. They represent more than 60% of the overall catches made during the...
Tipo: Text Palavras-chave: Pêche expérimentale profonde; Poissons démersaux; Moulinet électrique; Eumegistus illustris; Etelis coruscans; Etelis carbunculus; Squalus megalops; Beryx decadactylus; Thyrsitoides marleyi; Île de La Réunion; Deep-sea experimental fishing; Demersal fish; Electric reel; Eumegistus illustris; Etelis coruscans; Etelis carbunculus; Squalus megalops; Beryx decadactylus; Thyrsitoides marleyi; Reunion Island.
Ano: 2001 URL: http://archimer.ifremer.fr/doc/00410/52117/52825.pdf
Registros recuperados: 5
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