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Registros recuperados: 25
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Effet du changement climatique sur le stock guyanais de crevettes pénéïdes. Rapport final du projet PENECLIM ArchiMer
Magraoui, Amira; Baulier, Loic; Blanchard, Fabian.
Recruitment of the tropical shrimp farfantepeneus subtilis is declining, as well as the stock. Fishing pressure does not seem to be the cause of this situation. Changes in various environmental factors are observed. This work brings some statistical links between these environmental changes and the decrease of the recruitment.
Tipo: Text
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00249/36051/34596.pdf
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Avis sur les licences pour la pêche au vivaneau ArchiMer
Tagliarolo, Morgana; Baulier, Loic; Blanchard, Fabian.
Tipo: Text
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00480/59182/79402.pdf
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Avis 2017 sur l’état du stock de crevette Guyane ArchiMer
Baulier, Loic; Biseau, Alain; Blanchard, Fabian.
L'évaluation du stock de crevettes café (Farfantepenaeus subtilis) de Guyane a été réalisée à partir des données de débarquement par catégories commerciales des chalutiers guyanais, à l'aide d'un modèle structuré en âge (VPA) paramétré séparément pour les mâles et les femelles. Ce modèle a permis de reconstituer les séries des effectifs et mortalités par pêche mensuels aux âges depuis 1989 jusqu'au mois de juin 2016. L'application d'un modèle de recrutement par recrue a ensuite permis de poser un diagnostic sur le niveau d'exploitation des deux composantes du stock. Ce stock, dont la biomasse a fortement diminué depuis le début de son exploitation, demeure à des niveaux de biomasse bas. L’analyse montre une légère surexploitation de croissance en ce qui...
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Ano: 2017 URL: https://archimer.ifremer.fr/doc/00373/48371/79230.pdf
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Evaluation du stock de crevettes pénéides de Guyane et propositions de gestion ArchiMer
Baulier, Loic; Biseau, Alain; Blanchard, Fabian.
Avis sur l'état du stock de crevettes pénéides de Guyane en vue de fixer un TAC pour l'année 2016.
Tipo: Text
Ano: 2016 URL: https://archimer.ifremer.fr/doc/00326/43766/43323.pdf
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Sole larval supply to coastal nurseries: Interannual variability and connectivity at interregional and interpopulation scales ArchiMer
Savina-, Marie; Lunghi, Mathias; Archambault, B.; Baulier, Loic; Huret, Martin; Le Pape, Olivier.
Simulating fish larval drift helps assess the sensitivity of recruitment variability to early life history. An individual-based model (IBM) coupled to a hydrodynamic model was used to simulate common sole larval supply from spawning areas to coastal and estuarine nursery grounds at the meta-population scale (4 assessed stocks), from the southern North Sea to the Bay of Biscay (Western Europe) on a 26-yr time series, from 1982 to 2007. The IBM allowed each particle released to be transported by currents, to grow depending on temperature, to migrate vertically depending on development stage, to die along pelagic stages or to settle successfully on a nursery, representing the life history from spawning to metamorphosis. The model outputs were analysed to...
Tipo: Text Palavras-chave: Hydrodynamic model; Individual-based model; Larval supply; Nursery grounds; Recruitment variability; Solea solea; Metapopulation; English Channel; Bay of Biscay; Southern North Sea.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00297/40775/39782.pdf
Registros recuperados: 25
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