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Registros recuperados: 47
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A methodology based on data filtering to identify reference fleets to account for the abundance of fish species: Application to the Striped red mullet (Mullus surmulletus) in the Bay of Biscay ArchiMer
Caill-milly, Nathalie; Lissardy, Muriel; Bru, Noëlle; Dutertre, Marie-adèle; Saguet, Cassandre.
For data-limited stocks (DLS), professional fishing data can be used as a potential source of information, especially in the absence of appropriate scientific survey, to understand abundance evolution under realistic hypothesis on resource catchability. This work focuses on a data-filtering approach, the selected fishing effort must reflect vessel activity that is least dependent on their technical characteristics and as stable as possible over time. The variable of interest is landing by fishing sequence (landing for a given gear, gear mesh, day and ICES statistical rectangle) called LPUE. In order to account for the abundance of the species, it was necessary to consider the discards. The method thus proceeds in 4 steps: (i) focus on LPUE variability and...
Tipo: Text Palavras-chave: Data-limited stock; Commercial data; Discards; LPUE; Professional knowledge; Data filtering.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00503/61495/65305.pdf
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A restricted fishing area as a tool for fisheries management: Example of the Capbreton canyon,southern Bay of Biscay ArchiMer
Sanchez, Florence; Morandeau, Gilles; Bru, Noelle; Lissardy, Muriel.
Marine Protected Areas (MPAs) are generally considered as one of the most important tools, among the many regulations, designed to preserve marine resources as well as enhance fisheries. In the southern Bay of Biscay, local French fishermen requested creation of a restricted area to help settle disputes between the various métiers operating there. This restricted area, which lies mainly in French waters, covers part of a deep submarine canyon off the French and Spanish coasts, known to have a large population of mature hake. This study aims to better understand the effects of a restricted area upon French fleets operating there, particularly upon three main métiers – longliners, gillnetters and trawlers. The study area includes three ICES statistical...
Tipo: Text Palavras-chave: Bay of Biscay; Restricted area; Submarine canyon; Economic dependence; Metiers' dynamics.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00128/23961/22005.pdf
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Analyse des ressources et des caractéristiques individuelles du stock d'oursin Paracentrotus lividus (Lamarck, 1816) du territoire 64 - Recueil cartographique ArchiMer
Lissardy, Muriel; De Casamajor, Marie-noelle; Mahias, Jeremy; Bru, Noelle; Caill-milly, Nathalie.
Tipo: Text
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00218/32890/31375.pdf
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Application d’un protocole de suivi habitat « récifs » au large de la côte basque. Application méthodologique Index-Cor ArchiMer
De Casamajor, Marie-noelle; Lissardy, Muriel.
The purpose of this report is to test a sampling protocol to define a conservation status index for reef habitat in circalittoral environments to characterize benthic populations from surveys at 4 sites located in the Natura 2000 area “côte Basque rocky and extension offshore”. Due to the complexity of this habitat and the gaps in knowledge, an analysis of the protocol and its modalities is necessary. In parallel, optimization proposals are necessary for the relevance of the information provided and for apprehending a possible conservation status.
Tipo: Text Palavras-chave: Golfe de Gascogne; Circalittoral; Indice; État de conservation; Aires marines protégées; Bay of Biscay; Circalittoral; Conservation index; Marine Protected Area.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00382/49334/50278.pdf
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Bassin Adour-Garonne : hydrologie et phytoplancton – Résultats 2013-2018 ArchiMer
Auby, Isabelle; D'Amico, Florence; Meteigner, Claire; Rumebe, Myriam; Tournaire, Marie-pierre; Rigouin, Loic; Gouriou, Laure; Lissardy, Muriel; Sanchez, Florence; De Casamajor, Marie-noelle; Morandeau, Gilles; Ganthy, Florian; Trut, Gilles; Trut, Florence; Caill-milly, Nathalie; Oger-jeanneret, Helene; Guesdon, Stephane; Chabirand, Jean-michel; Morin, Dimitri; Piraud, Aude; Geairon, Philippe; Grizon, James; Seugnet, Jean-luc; Thomas, Gerard; Bruneau, Audrey; Soudant, Dominique; Gautier, Emeric; Michel, Valérie; Dupin, Michel.
Ce rapport rend compte des résultats sur les paramètres hydrologiques et le phytoplancton acquis dans le cadre de la DCE (contrôle de surveillance entre 2013 et 2018), dans les masses d’eau côtières et de transition du bassin Adour-Garonne
Tipo: Text Palavras-chave: Directive Cadre sur l’Eau; Hydrologie; Phytoplancton.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00516/62735/67113.pdf
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BIGORNO. Biodiversité Intertidale sud Gascogne Observation et Recherche de Nouveaux Outils de surveillance et d'aide à la décision - Rapport fiinal ArchiMer
De Casamajor, Marie-noelle; Lalanne, Yann; Huguenin, Laura; Marticorena, Julien; Lissardy, Muriel; Bru, Noelle; D'Amico, Franck; Liquet, Benoît.
This report presents the results obtained during the BIGORNO project whose main objective is to overcome knowledge gaps on the biocenoses of the southern sub-region "Bay of Biscay" to propose a sampling protocol adapted to biogeographic and environmental specific conditions. A stratified random sampling design considering spatial heterogeneity has been implemented. Biodiversity was considered on 0.1 m²quadrats. These data have revealed the organization of benthic communities and the relevant taxa to be considered (species or assemblages of indicator species) in the context of establishing perennial monitoring of intertidal habitats. Proposals are made to implement the descriptors and indicators defined in the Marine Strategy Framework Directive (MSFD).
Tipo: Text Palavras-chave: Côte basque; Estran rocheux; Microhabitats; Espèces indicatrices; Analyses multivariées; DCSMM; Basque coast; Intertidal rocky shore; Microhabitat; Indicator species; Multivariate analysis; MFSD.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00371/48229/48893.pdf
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BIGORNO Project. Intertidal biodiversity in the south of Bay of Biscay new research tools in a context of implementation of the Marine Strategy Framework Directive (MSFD) ArchiMer
De Casamajor, Marie-noelle; Huguenin, Laura; Marticorena, Julien; Lalanne, Yann; Bru, Noelle; Liquet, Benoît; Lissardy, Muriel; D'Amico, Franck; Castege, Iker; Milon, Emilie.
Biodiversity conservation and response of benthic communities to pressures, related to global change and human activities, are a research priority. They also constitute a useful indicator to define the environmental status of the Marine Strategy Framework Directive as part of the European Water Framework Directive (WFD). The biogeographic features of the Aquitanian coast (in terms of rocky substrate communities) induce the interest to have a monitoring and research site. Indeed, it includes the habitat characteristics as well as fauna and flora (the Habitats Directive). The aim of the BIGORNO project is to implement new tools to assess the rocky biocenosis in the southern marine subregion of the Bay of Biscay by integrating fauna communities assessment...
Tipo: Text
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00357/46861/46754.pdf
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Biodiversity and distribution of bivalves on the Aquitain coast (Bay of Biscay, France) ArchiMer
De Casamajor, Marie-noelle; Caill-milly, Nathalie; Morandeau, Gilles; Lissardy, Muriel.
Tipo: Text Palavras-chave: Bivalves; Bathymetric distribution; Sedimentation; Exploitation; Aquitaine.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00066/17727/15235.pdf
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Campagne d'évaluation de stock de palourdes du bassin d'Arcachon. Année 2014 ArchiMer
Sanchez, Florence; Caill-milly, Nathalie; Lissardy, Muriel; Bru, Noelle.
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Ano: 2014 URL: https://archimer.ifremer.fr/doc/00233/34383/32765.pdf
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Campagne d’évaluation du stock de palourdes du bassin d’Arcachon. Année 2018 ArchiMer
Sanchez, Florence; Caill-milly, Nathalie; Lissardy, Muriel.
This report details the results of clam stock assessment survey, which took place between 14 May and 17 June 2018 in Arcachon Bay. Co-organized with CDPMEM33, with financial support from DLAL FEAMP Arcachon Basin Val de l'Eyre, Nouvelle-Aquitaine region, the CDPMEM33 and Ifremer, the clam stock assessment and its characteristics were provided. The samples were collected from 533 sampling stations distributed over an area of 52 km², with an Hamon grab, using a generalized random tessellation stratified spatially balanced design (GRTS). Venerupis philippinarum remains the dominant species with 99 % of the population. The size distribution of Manila clam is in the range 5 – 41 mm with a main mode around 24-28 mm. In 2018, the mean densities are 39 individuals...
Tipo: Text Palavras-chave: Évaluation de stock; Palourde japonaise; Venerupis philippinarum; Bassin d’Arcachon Key words: stock assessment; Manila clam; Venerupis philippinarum; Arcachon Bay.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00477/58897/61456.pdf
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Classement des masses d’eau du littoral Manche-Atlantique sur la base de l’indicateur DCE «Angiospermes» (2012-2016) ArchiMer
Auby, Isabelle; Oger-jeanneret, Helene; Trut, Gilles; Ganthy, Florian; Rigouin, Loic; De Casamajor, Marie-noelle; Sanchez, Florence; Lissardy, Muriel; Fortune, Mireille; Manach, Soazig; Bizzozero, Lucie; Rollet, Claire; Lejolivet, Aurore; Desroy, Nicolas; Foveau, Aurelie; Le Mao, Patrick; Sauriau, P.g.; Aubert, A.; Cajeri, P.; Curti, C.; Duvard, A.; Latry, L.; Lachaussee, N.; Pineau, P.; Plumejeaud-perreau, C.; Aubin, S.; Droual, G.; Fournier, J.; Garcia, A; Guillaudeau, J.; Hubert, C.; Humbert, S.; Janson, A.l.; Masse, C.; Panizza, A.c.; Grall, J.; Maguer, M.; Hily, C.; Hacquebart, P.; Joncourt, Y.; Baffreau, A.; Timsit, O..
Certaines masses d’eau s’avérant parfois déclassées par cet élément de qualité, le groupe de travail DCE « Eaux Littorales » a sollicité de la part des scientifiques une réflexion sur les raisons de ce mauvais classement et les éventuelles actions de restauration ou d'amélioration de connaissances relatives aux herbiers de ces zones. L’objectif de cette expertise, soutenue par l’Agence Française pour la Biodiversité, et réalisée en collaboration avec les acteurs concernés par l’indicateur « angiospermes » sur les façades Manche-Atlantique, est d’identifier les pressions potentiellement responsables de cette situation (Tableau 1) en prenant également en compte l’effet des différentes métriques de l’indicateur sur les résultats obtenus.
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Ano: 2018 URL: http://archimer.ifremer.fr/doc/00427/53868/54918.pdf
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DCE-Benthos - Macroalgues Fixées, Sous-éléments de qualité "Macroalgues Subtidales (et faune associée)" et "Macroalgues Intertidales", Surveillance des MEC et MET du bassin Adour-Garonne, Année 2017 ArchiMer
Derrien-courtel, Sandrine; Aubert, Fabien; Breret, Martine; De Casamajor, Marie-noelle; Lissardy, Muriel; Nussbaumer, Marielle; Sanchez, Florence; Sauriau, Pierre-guy.
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Ano: 2019 URL: https://archimer.ifremer.fr/doc/00514/62585/66934.pdf
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Evaluation of proposed harvest control rules for Bay of Biscay sole ArchiMer
Merzereaud, Mathieu; Biais, Gerard; Lissardy, Muriel; Bertignac, Michel; Biseau, Alain.
The evaluations reported here were carried out following an EU request to ICES on an evaluation of proposed harvest control rules for sole in the Bay of Biscay. The authors worked together in September 2013 to answer this request. Their affiliations are listed in the Annex.
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Ano: 2013 URL: http://archimer.ifremer.fr/doc/00162/27283/25497.pdf
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Improvement of the fishery knowledge of striped red mullet of the Bay of Biscay ArchiMer
Caill-milly, Nathalie; Lissardy, Muriel; Leaute, Jean-pierre.
Striped red mullet (Mullus surmuletus) belongs to the species for which individualization of stocks is advanced by ICES in western Europe for areas including the Bay of Biscay and the areas bordering the Iberian peninsula. Since 2012, ICES has provided recommendations with regards to this stock. These recommendations are given for two years and are based on an approach adopted by ICES in 2012 in the case of insufficient data for an analytical evaluation (Data Limited Stocks, DLS). For 2013 and 2014, ICES advice consisted in a 20% reduction in catches (average of the last 3 years:- 2009-2011) as a precautionary measure. Since that, no new advice has been formulated, the advice remains the same. Considering the impacts of such measurements on the French...
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Ano: 2017 URL: http://archimer.ifremer.fr/doc/00399/51057/52225.pdf
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Indicator species of intertidal boulder fields on the French Basque coast ArchiMer
Lalanne, Yann; Huguenin, Laura; Lissardy, Muriel; Bru, Noelle; D'Amico, Franck; Castège, Iker; Milon, Emilie; De Casamajor, Marie-noelle.
The rocky Basque coast presents an interest both in terms of biogeography and its patrimonial situation, alongside its habitats, fauna and flora. The aim of the BIGORNO project (Intertidal Biodiversity of the south of the Bay of Biscay and Observation for New research and Monitoring for decision support), financed by the Agency of Marine Protected Areas (AAMP) and the Departmental Council (CD 64), is to respond to significant deficiencies on biocenosis in the southern marine subregion “Bay of Biscay”. Investigations carried out in the WFD, since 2008, constitute an important basis of work for integration of fauna. Field studies undertaken since 2015 consisting of a sampling design suited to the substrates heterogeneity and the presence of microhabitats...
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Ano: 2016 URL: http://archimer.ifremer.fr/doc/00344/45524/45082.pdf
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La petite pêche en Aquitaine - le bassin d'Arcachon - Halieutique, socio-économie, usages et réglementations. 1999-2000 ArchiMer
Caill-milly, Nathalie; Leaute, Jean-pierre; Trouillet, Brice; Laborde, Jean-louis; Goumy, Cécilia; Prouzet, Patrick; Grandpierre, Alde; Lissardy, Muriel; Corlay, Jean-pierre.
Introduction : Intra-basin fishing is not grasped as well, partly because of a lack of distinction between pure professional fishing units and conchological units and on the other hand because of the large amount of ships. Poorly adapted codification of the equipment found in the basin is also contributing to this lack of information. Studies on the subject do exist, but the elements necessary to publish notices are not always gathered, this is leading to the proposal of a geographical systemic analysis on the basin. The steps that are being taken are complementing the development of the Geographical Information System already in place in the basin since 1993 through DEL at the Arcachon Ifremer as well as the PECOSUDE European study ¿ caractéristiques des...
Tipo: Text Palavras-chave: Uses; Regulation; Economy; Halieutics; Basin of Arcachon; Fishing; Usages; Réglementation; Economie; Halieutique; Bassin d'Arcachon; Pêche.
Ano: 2001 URL: https://archimer.ifremer.fr/doc/2001/rapport-1660.pdf
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Les ressources exploitées par la pêche et la conchyliculture ArchiMer
Caill-milly, Nathalie; Morandeau, Gilles; Castege, Iker; Sanchez, Florence; Lissardy, Muriel; Chust, Guillem; Borja, Angel; Auby, Isabelle; Lapegue, Sylvie; Prou, Jean; Oger-jeanneret, Helene; Lassalle, Géraldine; Prevost, Etienne; Buoro, Mathieu; Lobry, Jérémy; De Pontual, Helene; De Casamajor, Marie-noelle; Biais, Gerard; D'Elbee, Jean.
L'exploitation des ressources par la pêche professionnelle et par la conchyliculture repose sur des ressources vivantes sauvages ou domestiquées qui sont présentes dans différents milieux aquatiques depuis les rivières jusqu'au large en mer. L'état de ces populations dépend non seulement des choix d'exploitation au regard des capacités de renouvellement des stocks mais aussi des caractéristiques environnementales qui impactent les différentes phases des cycles biologiques des espèces et jouent donc sur leur bon déroulement. Ces conditions du milieu sont tributaires pour partie des activités anthropiques (qualité et quantité d'eau disponible, obstacles au franchissement, autres perturbations) et peuvent être soumises aux effets du changement climatique. Ce...
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Ano: 2018 URL: http://archimer.ifremer.fr/doc/00444/55568/57180.pdf
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Optimization of a survey using spatially balanced sampling: a single-year application of clam monitoring in the Arcachon Bay (SW France) ArchiMer
Kermorvant, Claire; Caill-milly, Nathalie; D'Amico, Frank; Bru, Noelle; Sanchez, Florence; Lissardy, Muriel; Brown, Jennifer.
Bivalves are important components of benthic marine and freshwater ecosystems throughout the world. One of the most exploited bivalves used for human consumption is manila clam (Venerupis philippinarum). In Arcachon Bay (SW France), commercial fishers and scientists have developed a monitoring survey to estimate clam stocks to assist in implementing a sustainable management strategy. The survey design that is currently used is based on standard stratified random sampling (StRS). The survey has been undertaken every 2 years since 2006. Each survey costs approximately (sic) 50 000, with funding provided by similar to 20% of the commercial fishers. The survey is quite expensive, given that this resource is managed mostly at a regional level. In 2016 for...
Tipo: Text Palavras-chave: Venerupis philippinarum; Bivalve; Simulation; Survey; Arcachon Bay; GRTS.
Ano: 2017 URL: https://archimer.ifremer.fr/doc/00410/52102/52808.pdf
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Pièces calcifiées utilisées pour estimer l'âge des principales espèces de poissons du sud du golfe de Gascogne ArchiMer
Bellamy, Elise; Caill-milly, Nathalie; Lissardy, Muriel; Mahe, Kelig.
Ce poster présente les pièces calcifiées utilisées pour estimer l'âge des principales espèces de poissons du sud du golfe de Gascogne. La sclérochronologie, du grec “scleros” = pièces dures, “chronos” = temps, “logos” = étude, est la discipline s’intéressant à la croissance des organismes. Chez les poissons osseux, les estimations d’âge sont réalisées à partir de leurs pièces calcifiées et chaque année, ce sont quelques 35 000 pièces qui sont traitées par l’institut Ifremer. Pour la majorité des espèces, l’otolithe, composant de l’oreille interne, est la pièce calcifiée utilisée.
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Ano: 2015 URL: http://archimer.ifremer.fr/doc/00256/36688/35296.pdf
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Prospection et échantillonnage des émissaires en mer au large de la côte basque. Rapport de campagne - Micropolit année 1 ArchiMer
De Casamajor, Marie-noelle; Huguenin, Laura; Lissardy, Muriel.
This work aims to summarize the work carried out in the framework of surveys in subtidal environment on the French Basque coast in 2017. The course of this campaign is presented as well as the various data collected making it possible to establish a balance sheet. The latter refers to the fact that only one of the three targeted steps could be correctly sampled from a biological and ecological point of view. The analysis of the difficulties encountered during these investigations will make it possible to reframe the implementation of the protocol in order to best meet the objectives originally set during the 2018 sampling program.
Tipo: Text Palavras-chave: Golfe de Gascogne; Émissaires subtidaux; État de conservation; Communautés benthique; Bay of Biscay; Subtidal outfall; Conservation index; Benthic communities.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00406/51739/52687.pdf
Registros recuperados: 47
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