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Ecosystem structure and dynamics of the marine system of Sierra Leone for three time periods: 1964, 1978 and 1990 OceanDocs
Heymans, S.J.; Vakily, J.M..
We present the key feature of a quantitative food web model for the shelf and slope waters off Sierra Leone, constructed using the Ecopath with Ecosim software. Three periods are represented: 1964, based on data from the Guinean Trawling Survey, complemented with field data on lower trophic levels gathered in the late 1950/early 1960s and published by A.R. Longhurst; 1978, for which fish abundance data from an ex-USSR survey exist, along with related, scattered fisheries information; and 1990, for which a fair amount of fisheries data exist, along with the results of a Spanish trawl survey. Demersal fish biomass appears to have declined linearly from 1964 to 1990, due to the massive increase of the catches of distant water fleets operating in Sierra Leone,...
Tipo: Conference Material Palavras-chave: Ecosystems; Marine structures.
Ano: 2002 URL: http://hdl.handle.net/1834/710
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Poissons Marins de la Sous-Région Nord-Ouest Africaine OceanDocs
Samb, B.; Vakily, J.M.; Ould Taleb Ould Sidi, M.M.; Pauly, D.; Natoumbi Mendy, A.; Sheriff, M.F.; Dos Santos, A.J.; Marques, V.; Camara, S.B..
Ce document présente une liste des poissons qui sont observés dans la Zone Economique Exclusive des sept pays membres de la Commission Sous-Régional des Pêches de la Sous-Région (CSRP) en Afrique de l'Ouest : Cap-Vert, Gambie, Guinée, Guinée-Bissau, Mauritanie, Sénégal et Sierra Leone. Cette liste, rangée par Familles, a été établie à partir de FishBase, la base de données universelle sur les poissons (www.fishbase.org), et complétée par des communications locales provenant des sept pays membres. Les noms communs sont fournis pour toutes les espèces pour lesquelles ces noms sont disponibles, c. à d. les noms internationaux (FAO) en français et en anglais, et les noms vernaculaire en anglais (Sierra Leone), français (Guinée, Mauritanie, Sénégal), hassaniya...
Tipo: Working Paper Palavras-chave: Marine fish.
Ano: 2002 URL: http://hdl.handle.net/1834/319
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