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Registros recuperados: 6
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Développement d’un cadre Bayésien pour l’évaluation de stocks à données limitées et élaboration de scénarios de gestion, cas particuliers de la seiche (Sepia officinalis) et du lieu jaune (Pollachius pollachius) ArchiMer
Alemany, Juliette.
The assessment and the management of sh stocks aim at achieving a sustainable exploitation of the resources provided by the oceans. While progress have been made in this eld for some stocks of great commercial importance, the situation is di erent for the so-called "data limited" stocks. Often historically less exploited, these stocks do not  benefit from the same economical resources nor workforce to conduct the stock assessments required to set management measures. This work is based on two case studies, pollack (Pollachius pollachius) and cuttlefish (Sepia officinalis). The aim is to investigate the stock assessment methods adapted to data-limited situations. A first introductive part presents the background of fish stock assessment as well as the two...
Tipo: Text Palavras-chave: Stock a donnees limitees; Evaluation de stock; Avis de gestion; Modele Bayesien; Pollachius pollachius; Lieu jaune; Sepia officinalis; Seiche; Data-limited stock; Stock assessment; Management advice; Bayesian model; Pollachius pollachius; Pollack; Sepia officinalis; Cuttlefish.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00411/52227/52953.pdf
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Evaluation de la biomasse piscicole en eau douce par écho prospection : application à la retenue de Sidi Salem OceanDocs
Cadic, N.; Kraiem, M.M.; Proteau, J.P.; El Abed, A.; Djemali, I.; Jarboui, O..
L’évaluation de stock dans les plans d’eaux douces en Tunisie par écho prospection constitue une première. La retenue du barrage de Sidi Salem a été choisie comme site pilote afin de mettre au point la méthodologie. L’étude du comportement piscicole dans la retenue a permis de favoriser le comptage de cibles individuelles à l’écho intégration. L’écho prospection a permis d’évaluer la biomasse instantanée toutes espèces confondues dans la retenue du barrage de Sidi Salem à 192,4 t, soit des biomasses respectives pour le sandre, le mulet, le silure, la carpe, le gardon et le rotengle de 75 t, 7,7 t, 1,9 t, 3,9 t, 11,5 t et 92,3 t.
Tipo: Journal Contribution Palavras-chave: Evaluation de stock; Echo prospection; Retenu du barrage de Sidi Salem; Tunisie Echo surveys Freshwater fish Stock assessment Dams Water reservoirs Stock assessment http://aims.fao.org/aos/agrovoc/c_24251.
Ano: 2003 URL: http://hdl.handle.net/1834/1073
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Evaluation des stocks de pétoncle d’Islande Chlamys islandica, peigne du Canada Placopecten magellanicus et concombre de mer Cucumaria frondosa du gisement du banc de Saint-Pierre (subdivision 3Ps de l’OPANO). Résultats de la campagne de prospection SPM2017-Hal (14 au 24 août 2017). ArchiMer
Foucher, Eric.
The CORE 3Ps scallop stocks (Icelandic scallop Chlamys islandica and Giant scallop Placopecten magellanicus) and Sea cucumber (Cucumaria frondosa) stock were assessed in August 2017 in French-Canadian waters southwest of the Saint-Pierre and Miquelon archipelago on the one hand, and in the southern part of the French EEZ known as “Corridor” on the other. For this purpose, a scientific survey, based on a stratified random sampling plan in the CORE area and systematic sampling plan in the French Corridor was conducted onboard S/V Antéa, research vessel of the French Oceanographic Fleet. Although difficult weather conditions affected the survey, 80 sampling points were completed. The analysis of these data shows a slight decrease in the exploitable biomass of...
Tipo: Text Palavras-chave: Petoncle d'Islande; Chlamys islandica; Petoncle geant; Placopecten magellanicus; Concombre de mer; Cucumaria frondosa; Saint-]Pierre et Miquelon; Stock; Evaluation de stock.
Ano: 2018 URL: http://archimer.ifremer.fr/doc/00444/55528/57116.pdf
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Evaluation du descripteur 3 « espèces exploitées à des fins commerciales » en France métropolitaine. ArchiMer
Foucher, Eric; Delaunay, Damien.
The Marine Strategy Framework Directive (MSFD), adopted in June 2008, commits Member States to adopt an ecosystemic approach to manage the marine environment. By this directive, France aims to achieve good environmental status of its marine waters by 2020. Descriptor 3 stipulates that populations of all commercially exploited fish and shellfish are within safe biological limits, exhibiting a population age and size distribution that is indicative of a healthy stock. The Marine Directive builds on existing European Union (EU) legislation as the Common Fisheries Policy (CFP) and criteria describing stocks status are derived from international authorities works as the International Council for the Exploration of the Sea (ICES), the General Fisheries...
Tipo: Text Palavras-chave: DCSMM; Descripteur 3; Bon état écologique; Ressources halieutiques; Espèces commerciales; Stock; Evaluation de stock.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00458/57009/58908.pdf
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Evaluation du stock de coquilles Saint‐Jacques Pecten maximus de la baie de Seine. Résultats de la campagne scientifique COMOR 2019 (2 au 20 juillet 2019). ArchiMer
Foucher, Eric.
The assessment of the King scallop stock of the Bay of Seine (Pecten maximus) was carried out in July 2019, in the Bay of Seine sensu stricto, located in French territorial waters (from the Normandy coast to the south to the limit of 12 nautical miles to the North), as well as the bordering zone lying north of this 12-mile limit and up to a latitude of 49°48N to the North, called "Extérieur Baie de Seine". For this, a scientific survey, based on a stratified random sampling plan, was conducted aboard the F/R Thalia, a coastal research vessel of the French Oceanographic Fleet. Nearly 170 sampling points were completed in the whole area. Analysis of these data leads to an overall increase in exploitable biomass over the entire area. Outside the Bay of Seine,...
Tipo: Text Palavras-chave: Coquille Saint-Jacques; Pecten maximus; Manche Est; Baie de Seine; Evaluation de stock; King scallop; Pecten maximus; Eastern Channel; Bay of Seine; Stock assessment.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00516/62739/67128.pdf
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Evaluation du stock de coquilles Saint-Jacques Pecten maximus du gisement de la baie de Seine. Résultats de la campagne de prospection COMOR 2018 (1er au 19 juillet 2018). ArchiMer
Foucher, Eric.
The assessment of the King scallop stock of the Bay of Seine (Pecten maximus) was carried out in July 2018, in the Bay of Seine sensu stricto, located in French territorial waters (from the Normandy coast to the south to the limit of 12 nautical miles to the North), as well as the bordering zone lying north of this 12-mile limit and up to a latitude of 49°48N to the North, called "Extérieur Baie de Seine". For this, a scientific survey, based on a stratified random sampling plan, was conducted aboard the F/R Thalia, a coastal research vessel of the French Oceanographic Fleet. Nearly 170 sampling points were completed in the whole area. Analysis of these data leads to an overall increase in exploitable biomass over the entire area. In the area “Exterieur...
Tipo: Text Palavras-chave: Coquille Saint-Jacques; Pecten maximus; Manche Est; Baie de Seine; Evaluation de stock; King scallop; Pecten maximus; Eastern Channel; Bay of Seine; Stock assessment.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00480/59162/61795.pdf
Registros recuperados: 6
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