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Registros recuperados: 89
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A fleet-metier based approach of the small scale fishing activity in the French West Indies ArchiMer
Guyader, Olivier; Reynal, Lionel; Demaneche, Sebastien; Berthou, Patrick; Daures, Fabienne.
The development of the ecosystemic approach for fisheries supposes to improve integrated analysis of fisheries by considering the biological as well as the socio-economic dimensions of the exploitation. A prerequisite for integrated analysis is the improvement in the knowledge of fleets structure, fleet evolution and allocation of fishing effort in the different fisheries. However, small scale fisheries are often characterized by a lack of knowledge on the vessel fishing activity. This paper first presents a data collection methodology recently applied in the French West (Guadeloupe and Martinique) for the follow up of the whole vessel population. Based on a statistical analysis of these data sets, the paper develops a fleet-metier matrix giving the...
Tipo: Text Palavras-chave: Flottille; Métiers; Activité; Petite pêche; Gestion des pêches; Fleet; Metiers; Fishing activity; Small scale fisheries; Fisheries management.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/00243/35456/33985.pdf
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A GIS interface to the French Fisheries Information System of Ifremer ArchiMer
Harscoat, Valerie; Leblond, Emilie; Treguer, Mickael; Berthou, Patrick.
The Fisheries Information System of Ifremer aims to build an operational and multidisciplinary monitoring network for scientific purposes, allowing a comprehensive view of fishery systems including their biological, technical, environmental and economical components. One of its objectives consists in elaborating and providing data and indicators for a widespread public (researchers, fishermen, administration, general public…), including bio-economic diagnostics and assessment of the short and long-term impacts of fisheries management scenario and measures. To further an integrated analysis of the fishery systems, the wide range kinds of data (landings, efforts, biological or environmental observations, economic data…) are managed in a single data...
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Ano: 2008 URL: http://archimer.ifremer.fr/doc/00059/17001/14503.pdf
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An integrated and statistical approach for the valuation of economic status of small scale fisheries ArchiMer
Daures, Fabienne; Leblond, Emilie; Demaneche, Sebastien; Berthou, Patrick; Brigaudeau, Cecile; Guyader, Olivier; Jezequel, Michele.
Tipo: Text
Ano: 2008 URL: http://archimer.ifremer.fr/doc/00243/35455/33984.pdf
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Analyse de l'activité de chalutage de fond au delà de l'isobathe 200 mètres de 2010 à 2012 ArchiMer
Berthou, Patrick; Begot, Eric; Biseau, Alain.
La demande de la DPMA (saisine 14-6464 + compléments) porte sur : ‐ Une analyse du nombre de navires utilisant des engins de fond par strate bathymétrique ainsi que l’effort de pêche déployé par ces navires dans ces différentes strates, notamment au-delà de la profondeur de 400 mètres. ‐ Une représentation cartographique des zones de pêche des navires exerçant des activités de pêche profonde (i.e. titulaire d’une autorisation de pêche au pêche au titre du règlement (CE) n°2347/2002) par quartier maritime d’immatriculation, notamment Boulogne sur mer, Le Guilvinec, Concarneau et Lorient pour les années 2010, 2011 et 2012. Les isobathes 400, 600, 800 et 1000 mètres apparaitront sur les représentations cartographiques. ‐ UN recoupement de la liste des navires...
Tipo: Text
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00198/30935/29312.pdf
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Analyse typologique des activités de pêche de la flottille des côtes-d'Armor ArchiMer
Berthou, Patrick; Chevaillier, P; Jezequel, Michele.
Introduction: Setting up a policy of coastal fisheries management goes through a preliminary stage of understanding the dynamics of the fishing fleets as much as their tactics. Small fleets, such as those of the Côtes d'Armor, are characterised by: - the boats' home ports are scattered widely, - the heterogeneousness of the types of vessels and fishing gear used, - the versatility of the fishing units, - the plurispecificity of the exploited resource, - the flexibility of operating strategies, that is, the fishing owners' ability to change occupation. However, this flexibility is limited by the availability of the resource, by the market, by the investments granted (boats, fishing materiel), as well as by "cultural" context and know-how. This...
Tipo: Text Palavras-chave: Saint Brieux Bay; Fishery management; Typology; Fishing vessel.
Ano: 1990 URL: http://archimer.ifremer.fr/doc/1990/rapport-1555.pdf
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Caractéristiques de dragues et pêcheries ArchiMer
Pitel, Mathilde; Berthou, Patrick; Fifas, Spyros.
Basically, a dredge is a bottom-towed gear and consists of a metal frame with a blade or teeth, to dig into the sediment and extract the shelled molluscs, and a mesh bag to collect the catch. Whereas hand dredging is observed on some intertidal beds (Donax trunculus in France), the use of dredge generally needs a fishing boat. There is a great diversity of dredge types, with specific designs used to target different species in particular beds: Manual dredges for Donax (Donax trunculus), Warty venus (Venus verrucosa) and clams (Venerupis pulastra, Ruditapes sp) Dredges for King scallops (Pecten maximus) Dredges for Warty venus (Venus verrucosa) Dredge for Queen scallops (black and white, Chlamys varia and Chlamys opercularia) Dredges for small...
Tipo: Text Palavras-chave: Management; Environmental impact; Spisula; Bittersweet palourdi; Fishing boat; Clam; Dredge; Brittany; Gestion; Impact environnemental; Spisula; Amande; Navire de pêche; Drague; Bretagne.
Ano: 2001 URL: http://archimer.ifremer.fr/doc/2001/rapport-4608.pdf
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Cartographie et évaluation des principaux mollusques filtreurs du Golfe Normano-Breton ArchiMer
Noel, Philippe; Blanchard, Michel; Berthou, Patrick.
During 1993 and 1994, quantitative sampling were realized in Norman Gulf (Western Channel) to estimate molluscs suspension-feeders. Four bivalves are regularly sampled : Spisula ovalis, Tapes rhomboides, Glycymeris glycymeris and Venus verrucosa. For each species, individual age and weight were noticed. The spreading gastropod Crepidula fornicata was also sampled. The resultant biomass and distribution are proposed. These results will contribute to the evaluation of trophic exchanges in boundary layer and to the proposed modeling, in the program PNOC (National Program for Coastal Oceanography). NOT CONTROLLED OCR
Tipo: Text Palavras-chave: Western Channel; Norman Gulf; Crepidula fornicata; Venus verrucosa; Glycymeris glycymeris; Tapes rhomboides; Spisula ovalis; Suspension feeders; Cartography; Estimation; Manche Ouest; Golfe Normano Breton; Crepidula fornicata; Venus verrucosa; Glycymeris glycymeris; Tapes rhomboïdes; Spisula ovalis; Suspensivores; Cartographie; Evaluation.
Ano: 1995 URL: http://archimer.ifremer.fr/doc/1995/rapport-3856.pdf
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Catalogue international des activités des flottilles de Manche, approche des interactions techniques ArchiMer
Tetard, A; Boon, M; Bennett, D; Berthou, Patrick; Bossy, P; Casey, J.
This work is the result of collaboration between the English, French, Channel Isles and Belgian laboratories which are involved in a study of the English Channel. Its subject is the activities of fleets and their interactions, and it complements other work on the biogeographical identification of Channel fish and shellfish stocks (published), and on modelling the fleets' interactions as they exploit theresources (in preparation). The concept of a metier is defined as being the use of one fishing gear to catch one or several species targeted during a particular season in a given area. On this basis, 74 metiers were identified during 1989-90. For each metier we give a brief description of the catching gear, the target species and most usual by-catch, the...
Tipo: Text Palavras-chave: Fisheries management; Fishing effort; Technical interactions; English Channel; Metier; Gestion des pêcheries; Distribution de l'effort de pêche; Interactions techniques; Manche; Métiers.
Ano: 1995 URL: http://archimer.ifremer.fr/doc/1995/rapport-3836.pdf
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Catalogue international des activités des flottilles de Manche, approche des interactions techniques ArchiMer
Tetard, A; Boon, M; Bennett, D; Berthou, Patrick; Bossy, S; Casey, J; De Clerck, R; Delpech, Jean-paul; Dintheer, C; Giret, M; Large, P; Latrouite, Daniel; Lemoine, Michel; Millner, R; Morizur, Yvon; Ozanne, S; Palmer, D; Pawson, M; Pickett, G; Vince, M.
This work is the result of collaboration between the English, French, Channel Isles and Belgian laboratories which are involved in a study of the English Channel. Its subject is the activities of fleets and fleet interactions, and it complements other work on the biogeographical identification of Channel fish and shellfish stocks (published), and on modelling the fleets' interactions as they exploit the resources (in preparation). The concept of a métier is defined as being the use of one fishing gear to catch one or several species targeted during a particular season in a given area. On this basis, 74 métiers were identified during 1989-90. For each métier we give a brief description of the catching gear, the target species and most usual by-catch, the...
Tipo: Text Palavras-chave: Fisheries management; Fishing effort; Technical interactions; English Channel; Métier; Gestion des pêcheries; Distribution de l'effort de pêche; Interactions techniques; Manche; Métiers.
Ano: 1993 URL: http://archimer.ifremer.fr/doc/1993/rapport-704.pdf
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Contribution et Dépendance des flottilles de pêche aux espèces commerciales majeures du Golfe de Gascogne ArchiMer
Daures, Fabienne; Planchot, Marie; Demaneche, Sebastien; Van Isenghem, Sylvie; Berthou, Patrick; Leblond, Emilie; Jezequel, Michele.
In order to provide economic indicators for fisheries, analysis of contribution and economic dependencies of the Bay of Biscay fishing fleets to major commercial species catching in the ICES VIII area is conducted. 9 species are considered (regarding the importance of their landings in this area): Sole, Norway Lobster, Sea bass, Hake, Anglerfish, Anchovy, Sardine, Cuttlefish and Monkfish. The landings data are provided by the Harmonie database of the Fisheries Information System of Ifremer and the analysis per specie is done for the 2005 year on one side and over the period 2000-2005 on the other side. A stock slip is built for each species and presents : - Key figures on landings in the Bay of Biscay (total landings, average price, number of vessels...
Tipo: Text Palavras-chave: Bay of Biscay; Fleet; Economic dependence; DEM; Golfe de Gascogne; Flotte de pêche; Dépendance économique.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/rapport-4697.pdf
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Croissance et survie du homard (Homarus vulgaris) pendant les quinze premiers stades en élevage et sous alimentation composée ArchiMer
Le Gall, Jean-yves; Mauviot, Jean-charles; Metailler, Robert; Berthou, Patrick.
Juvenile lobsters were reared for 8 months individually in separate tanks in order to obtain separate estimates of growth. Five batches were studied separately according to the type of diet : deep-frozen krill, paste, ¿try pellets and moist pellets. Growth data were collected over 15 first molt stages for each type of prepared diet. Observations deal with size and weight increments at moult and with weight/length relationships. Regression of total lengths over carapace lengths were fitted in each case.
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Ano: 1977 URL: http://archimer.ifremer.fr/doc/00305/41605/40814.pdf
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Decommissioning schemes and capacity adjustment: A preliminary analysis of the French experience ArchiMer
Guyader, Olivier; Berthou, Patrick; Daures, Fabienne.
The French decommissioning aims at permanently removing vessels from the fishing fleet according to European Union rules laid down within the Common Fisheries Policy. A system of premiums established by the French government is supposed to give the vessel-owners, the incentives to get rid of their fishing unit. This paper details the rules for the applicants and their evolution and it provides a preliminary analysis of the impact of these schemes over the 1991-2001 period. Special attention is paid to the characteristics of decommissioned vessels and of their owners. The problem of windfall gains of these policies is approached, and a first assessment is given. The consequences in terms of capacity adjustment are discussed according to the Multi Annual...
Tipo: Text Palavras-chave: Decommissioning schemes; Buyback; Capacity; Fisheries; Premium; MAGPs; Limited entry.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/00243/35407/33928.pdf
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Description de l’activité des navires capturant le bar. Evolution des captures et des débarquements de la pêche professionnelle sur la période 2000-2011 ArchiMer
Drogou, Mickael; Biseau, Alain; Berthou, Patrick; Leblond, Samuel; Pitel-roudaut, Mathilde.
Les résultats de ce travail concernent la France métropolitaine (façades Manche / Mer du Nord / Atlantique.) Ils sont établis à partir de l’activité de l’ensemble des navires de pêche professionnels inscrits au fichier Flotte de Pêche Communautaire (FPC) entre 2000 et 2011. Ce rapport donne une description des flottilles et des zones de pêche qui repose sur les résultats de deux analyses : l'une porte sur les données issues de la base SACROIS (présence d'au moins 1 kg de l'espèce considérée dans les captures annuelles de chacun des navires), l'autre fait intervenir la notion de ciblage de l’espèce (que l’on retrouve via les métiers pratiqués dans la base des calendriers d’activité du SIH). Enfin, dans le cadre de la proposition de la Commission d’une mise...
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Ano: 2012 URL: http://archimer.ifremer.fr/doc/00110/22162/19814.pdf
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Description de l’activité des navires capturant le rouget barbet. Evolution des captures et des débarquements sur la période 2000-2011 ArchiMer
Mahe, Kelig; Vermard, Youen; Berthou, Patrick; Leblond, Samuel; Pitel-roudaut, Mathilde.
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Ano: 2012 URL: http://archimer.ifremer.fr/doc/00110/22163/19816.pdf
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Early stages of snapper-grouper exploitation in the Caribbean (Bay Islands, Honduras) ArchiMer
Gobert, Bertrand; Berthou, Patrick; Lopez, E; Lespagnol, Patrick; Turcios, Maria Dolores Oqueli; Macabiau, Christophe; Portillo, Pedro.
In the Caribbean, snappers (Lutjanidae) and groupers (Serranidae) are often heavily exploited by artisanal or industrial fisheries. This paper analyzes the catches of an artisanal fishery selectively targeting these species with a moderate fishing pressure in the Bay Islands (Honduras), and discusses the implications on the understanding of the early stages of development of reef fisheries. Although snappers and groupers are targeted with handlines and spearguns in the whole archipelago, the differences in species diversity and size structure of the catch reveals various exploitation patterns. In most areas, a depletion is observed for the most vulnerable snapper and grouper species, and most other species are mainly exploited in their juvenile phase;...
Tipo: Text Palavras-chave: Top level predators; Selective fishing effort; Caribbean; Artisanal fisheries; Reef fisheries; Groupers; Snappers.
Ano: 2005 URL: http://archimer.ifremer.fr/doc/2005/publication-512.pdf
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Effort de pêche zones SAC-UK ArchiMer
Laurans, Martial; Berthou, Patrick; Biseau, Alain.
Dans le cadre de la présente saisine de la DPMA, il est demandé à l’Ifremer d’estimer l’effort de pêche des navires français dans sept zones Natura 2000 (Annexe 1) proposées à fermeture dans la ZEE anglaise. Afin de répondre à cette demande, la DPMA a autorisé l’Ifremer à utiliser les données VMS. Ce rapport présente les résultats des analyses réalisées sur la VMS, précédés d’une présentation de la donnée et de la méthode de traitement mise en oeuvre.
Tipo: Text
Ano: 2008 URL: http://archimer.ifremer.fr/doc/00004/11532/8112.pdf
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Elaboration d'un plan de gestion du bar ArchiMer
Drogou, Mickael; Biseau, Alain; Berthou, Patrick; De Pontual, Helene; Habasque, Jeremie; Le Grand, Christelle; Pitel-roudaut, Mathilde.
Tipo: Text
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00049/16007/14661.pdf
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Eléments d’information sur la coquille Saint-Jacques en baie de Seine et l’éventualité de la mise en place d’une zone de restriction spéciale ArchiMer
Foucher, Eric; Biseau, Alain; Berthou, Patrick; Fifas, Spyros; Forest, Andre; Vigneau, Joel.
La coquille Saint-Jacques en Manche Est, dont la plupart des gisements (baie de Seine étendue, Greenwich, Vergoyer, Bassurelles…) sont vraisemblablement inter-connectés, est aujourd’hui exploitée par des flottilles de plusieurs états membres de l’UE, selon des systèmes de réglementation différents. Le système d’exploitation français, historiquement basé sur une pêche intense concentrée en période automnale et hivernale, s’oppose radicalement au système anglo-saxon, plus ouvert, reposant davantage sur une exploitation tout au long de l’année, en particulier en été pour alimenter le marché français en noix fraîches, au moment où les français ne pêchent pas. De nombreuses discussions entre représentants professionnels des différents pays (lors des groupes de...
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Ano: 2010 URL: http://archimer.ifremer.fr/doc/00024/13492/10500.pdf
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Estimation de l'exploitation halieutique des navires de pêche français. Façades « Manche » et « Atlantique » ArchiMer
Talidec, Catherine; Augris, Claude; Woillez, Mathieu; Simplet, Laure; Berthou, Patrick.
Le présent rapport est une nouvelle version du rapport intitulé « Estimation de l’exploitation halieutique des navires de pêche français ». Il restitue les résultats des traitements des « données VMS » en offrant une précision spatiale accrue en matière d’occupation de l’espace marin, d’origine géographique des débarquements, et de dépendance des navires à certains secteurs de pêche.
Tipo: Text
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00214/32498/30982.pdf
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Etude de la pêcherie de palourdes du Golfe du Morbihan. ArchiMer
Berthou, Patrick; Huet, Jerome; Noel, Philippe; Jezequel, Michele; Fifas, Spyros.
Tipo: Text
Ano: 1997 URL: http://archimer.ifremer.fr/doc/00272/38340/36577.pdf
Registros recuperados: 89
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