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Registros recuperados: 12
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Analyse des stratégies de contrôle dans une pêcherie gérée par l’effort de pêche : le cas de la pêcherie de coquilles Saint-Jacques de la baie de Saint-Brieuc ArchiMer
Le Gallic, Bertrand; Fifas, Spyros; Lesueur, Marie; Roncin, Nicolas; Ropars-collet, Carole.
Since a report by the European Court of Auditor in December 2007, EU officials have been suggesting that the failure of the Common Fisheries Policy (CFP) results from too much non compliance and a weak and inefficient enforcement system. As a result, a stakeholder consultation was organised EU-wide, and a new control regulation has been presented by the European Commission in autumn 2008. The objective of the paper is to discuss the reality and the scope of this assertion in the situation of a French coastal fishery managed through effort control (the Saint-Brieuc scallop fishery). Key outlines of the French control strategy are presented for the first time, based on an extensive work with the key stakeholders (national and regional administrations and...
Tipo: Text Palavras-chave: Contrôle; Fraude; Pêcheries; Économie; Aménagement; Control policy; Fraud behavior; Economics; Fisheries management.
Ano: 2010 URL: https://archimer.ifremer.fr/doc/00480/59148/61776.pdf
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Analyses de données halieutiques (séries historiques) sur le thon germon, Thunnus alalunga, en Atlantique Nord-est ArchiMer
Patucca, Audrey.
The works carried out during this course (March-August 2015) alowed to correct the datasets and to study the variation in catches of albacore tuna from 1967 to 2014 (except for the years 1987 to 1990) based on 3 gears: the trolling line, the line with cane and the pelagic trawl. Simultaneously, key ICCAT delivred was provide information to expert groups, with a view to defining fishing quotas. Catches released and fishing effort (defined by the number of vessels and the time spent at sea) have varied considerably over these 50 years, and have been increasing in recent years, after having decreased sharply. Fishing today is concentrated on the edge of the continental shelf, whereas it was very oceanic before. It is mainly juveniles that are caught, while...
Tipo: Text Palavras-chave: Thunnus alalunga; Captures; Atlantique; Pêcheries; Thunnus alalunga; Catch; Atlantic; Fishery.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00388/49927/50501.pdf
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Contribution des frayères côtières au recrutement du stock de seiche Sepia officinalis de Manche : lien entre le succès de la phase pré-recrutée et l'abondance de la ressource ArchiMer
Gras, Michael.
The English Channel cuttlefish Sepia officinalis is the most important cephalopod stock in the N-E Atlantic but is only managed by local measures, mainly due to a lack of suitable tools. The objective of this work is therefore to improve the knowledge of its population dynamic, particularly the parameters inuencing the resource abundance. After a summary of the state of the art, in a first step, the exploration of the stock structure during the reproduction period revealed that, in a warming and high fishing pressure context, the life history traits of cuttlefish have changed and a percentage of one year old cuttlefish are mature. In a second step, the inuence of the fuel price on the spatial allocation of the French trawling effort was highlighted and...
Tipo: Text Palavras-chave: Sepia officinalis; Manche; Cycle de vie; Pêcheries; Modèle d'évaluation de stock; Recrutement.; Sepia officinalis; English Channel; Life cycle; Fisheries; Stock assessment model; Recruitment..
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00160/27135/25334.pdf
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Disponibilité à des fins d'aquaculture des différents âges de thon rouge en atlantique est ArchiMer
Bard, François-xavier.
In order to clear up possibilities to get bluefin tuna of various age in Eastern Atlantic, main conclusions on availability of bluefin in Eastern Atalntic are given, using results of International Commission for Conservation of Atlantic Tuna.
Tipo: Text Palavras-chave: Thons rouges; Méditerranée; Atlantique Est; Pêcheries; Disponibilité; Bluefin tuna; Mediterranea; East Atlantic; Fisheries; Availability..
Ano: 1978 URL: http://archimer.ifremer.fr/doc/1978/publication-6027.pdf
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DYNAPSE - DYNamiques des efflorescences et de la toxicité des espèces phytoplanctoniques nuisibles du genre PSEudo nitzschia en région Loire Bretagne ArchiMer
Belin, Catherine; Chapelle, Annie; Delmas, Daniel; Nezan, Elisabeth; Siano, Raffaele.
Les efflorescences de la diatomée Pseudo-nitzschia sont largement répandues sur les côtes Manche-Atlantique depuis une trentaine d’années (source Rephy). Depuis les années 2000 elles y sont parfois associées des événements toxiques du type ASP (Amnesic Shellfish Poisonning) qui perturbent grandement les pêcheries de coquillages et notamment celles de coquilles Saint Jacques. Les efflorescences et toxicités liées aux Pseudo-nitzschia sont des phénomènes en augmentation sur les côtes françaises mais aussi mondialement. Le genre Pseudo-nitzschia comprend plusieurs espèces très difficiles à identifier en routine or certaines sont toxiques et d’autres pas. Les facteurs environnementaux abiotiques et biotiques contrôlent à la fois la croissance des microalgues...
Tipo: Text Palavras-chave: Algues toxiques; Pseudo nitzschia; Toxicité des coquillages; Pêcheries; Facteurs environnementaux.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00189/30035/28521.pdf
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Fisheries for orange roughy (Hoplostethus atlanticus) on seamounts in New Zealand ArchiMer
Clark, M.
Major commercial fisheries for orange roughy (Hoplostethus atlanticus) occur on seamount features, which are widely distributed throughout the New Zealand region. When the fishery developed in the late 1970s to early 1980s, it occurred mainly on flat bottom, but over time has become more focused on seamounts. In the 1995-1996 fishing year, it is estimated that about 70 % of the catch of orange roughy within the New Zealand EEZ was taken from seamounts. Seamounts on the Chatham Rise have been fished for over ten years. Examination of commercial catch and effort data show strong declines in catch rates over time, and a pattern of serial depletion of seamount populations, with the fishery moving progressively eastwards to unfished seamounts along the southern...
Tipo: Text Palavras-chave: Orange roughy; Hoplostethus atlanticus; Monts sous-marins; Pêcheries; Nouvelle-Zélande; Orange roughy; Hoplostethus atlanticus; Seamounts; Fisheries; New Zealand.
Ano: 1999 URL: http://archimer.ifremer.fr/doc/00325/43584/44023.pdf
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L'anchois du golfe de Gascogne - Généralités et campagne de pêche en 1993 ArchiMer
Prouzet, Patrick; Metuzals, K.
The anchovy, Engraulis encrasicolus L. population in the Bay of Biscay, is described in context with other Engraulidae populations in the world. Mean landings are provided for six different species from 1974 to 1992. The great variations in the abundance (up to 200 %) of these populations, in relation to upwelling and environmental parameters are also discussed. Historical changes in the French and Spanish fleet fishing for anchovy are highlighted since 1950. The main events in the development of these fisheries are detailed. The total number ofboats in the French fleet have increased from 1987-1993 whereas the number of seiners in the Spanish fleet in that peri ad remained stable since 1980. The third part of this report describes the French fishery for...
Tipo: Text Palavras-chave: Anchois; Engraulis encrasicolus; Distribution géographique; Biologie; Pêcheries; Golfe de Gascogne; Anchovy; Engraulis encrasicolus; Geographic distribution; Biology; Fisheries; Gulf of Biscay.
Ano: 1995 URL: http://archimer.ifremer.fr/doc/00305/41644/40853.pdf
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Les modèles bio-économiques en halieutique : démarches et limites ArchiMer
Gilly, Bernard.
The bio-economic models in fishing : approaches and limits Bio-economic modelling technics for jisheries have been developed from the late jïfties. They are currently based on neo-classic economic therory. Their use has led to strong theoretical development in the Jield ofjsheries management, but they are utterly lacking qf pratical sense because the basic assumptions are not sujjïciently close to the reality. The main types of models are presented (statie and dynamic. determinist and random, simulation and optimisation) and their bounds are discussed.
Tipo: Text Palavras-chave: Management; Models; Bio economy; Fisheries; SEM; Aménagement; Modéles; Bio économie; Pêcheries.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/publication-2517.pdf
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Rapport de la septième rencontre de travail IMROP/IEO pour l’étude des pêcheries de crustacés OceanDocs
IEO; IMROP.
Cette rencontre entre dans le cadre du programme conjoint de recherche sur les crustacés entre l’IMROP et l’IEO (Espagne)
Tipo: Report Palavras-chave: Captures; Effort de pêche; Lengh distribution; Fishing effort; CPUE; Débarquement; Landing; Pêcheries; Mauritanie; Fisheries; Accords de pêche; UE; Mauritania; Crevettes; Shrimps; EU; Distribution de taille; Fishing fleets; Fishing agreements; Flottille de pêche; Catches; Crustacean fisheries.
Ano: 2002 URL: http://hdl.handle.net/1834/678
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Synthèse des pêcheries 2001 - Flotte Méditerranée ArchiMer
Leblond, Emilie; Berthou, Patrick; Daures, Fabienne; Merrien, Claude; Lespagnol, Patrick.
This summary reports on the data about the structure of the fishing fleet in Languedoc Roussillon and Provence-Alpes-Côtes d'Azur and gives the preliminary results of the "Mediterranean" economic survey.
Tipo: Text Palavras-chave: Provence Alpes Côtes d'Azur; Languedo Roussillon; Martigues; Marseilles; Toulon; Nice; Trawler; Small metiers; Fisheries; French fleet; Mediterranean; Provence Alpes Côtes d'Azur; Languedoc Roussillon; Martigues; Marseille; Toulon; Nice; Senneur; Chalutier; Petits metiers; Pêcheries; Flotte française; Méditerranée.
Ano: 2002 URL: http://archimer.ifremer.fr/doc/2002/rapport-2632.pdf
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Traits biologiques et exploitation du bar commun Dicentrarchus labrax (L.) dans les pêcheries françaises de la Manche et du golfe de Gascogne. ArchiMer
Fritsch, Manon.
Sea bass Dicentrarchus labrax (Linné, 1758) is a fish of major interest in France and in the British Isles. It is the main target species for some anglers and a growing number of professional fishermen. In spite of this, the reproduction of sea bass in natural environment, the identification of its populations, as well as the fleet participating to and the level of its exploitation are poorly known. Thus, in the perspective of a future management of the bass fisheries, this thesis collected required data for the analysis of the sea bass resource in the English Channel and the Bay of Biscay. A first chapter describes to the principal biological and ecological characteristics of Dicentrarchus labrax. The five following chapters deal successively with: (i)...
Tipo: Text Palavras-chave: Fisheries management; Fisheries exploitation; Angling; Tagging; Microsatellite loci; Reproduction; Dicentrarchus labrax; Gestion de stocks; Exploitation; Pêche récréative; Pêcheries; Marquage; Marqueurs microsatellites; Reproduction; Dicentrarchus labrax.
Ano: 2005 URL: http://archimer.ifremer.fr/doc/2005/these-1088.pdf
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Variabilité spatiale et temporelle d'une pêcherie au filet dans le golfe du Lion. Essai d'évaluation de l'impact d'un récif artificiel ArchiMer
Duclerc, Jean; Bertrand, Jacques.
The laying out of an offshore site in the gulf of Lion has been realized by immersion of concrete structures in 1985. Two complementary studies have been conducted in order to estimate the impact of such artificiel reef. Gillnet fishery surveys have been done in the vicinity of the structures and also on a control site. Moreover the local profcssional fishery has been investigated for two periods of 16 months, one berore and one arter the reef immersion. The results of the gillnet surveys have already been submitted to publication and the present study displays the investigations concerning the local fishery. It has been shown by the gillnet fishing surveys that the artificial reef led in their very close vicinity to variations in marine species...
Tipo: Text Palavras-chave: Récifs artificiels; Méditerranée; Pêcheries; Artificial reef; Mediterranean; Fisheries.
Ano: 1993 URL: https://archimer.ifremer.fr/doc/00003/11416/7959.pdf
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