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Registros recuperados: 10
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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...
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Ano: 2016 URL: http://archimer.ifremer.fr/doc/00357/46861/46754.pdf
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Does spatial distribution of fauna depend on algal belts on intertidal boulder fields of the French Basque coast ? ArchiMer
Marticorena, Julien; Huguenin, Laura; Lalanne, Yann; Bru, Noelle; Liquet, Benoît; De Casamajor, Marie-noelle.
To determine good ecological status and conservation of the Sub-Marine area of the Bay of Biscay, the implementation of a new rocky intertidal habitats monitoring is needed. A protocol has been adapted from the Brittany protocol for the water body FRFC11 "Basque coast" for the two indicators "intertidal macroalgae" and "subtidal macroalgae" under the Water Framework Directive to qualify the ecological. However no protocol has been validated for fauna in front of meridional characters of the benthic communities. Investigations carried out on macroalgae communities on intertidal area in WFD framework, since 2008, constitute an important working basis. This is the aim of the Bigorno project (Intertidal Biodiversity of the south of the Bay of Biscay and...
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Ano: 2016 URL: http://archimer.ifremer.fr/doc/00344/45523/45081.pdf
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How determining a small set of indicator species useful in environmental monitoring? A case study of intertidal boulder fields macrofauna (Northern Basque coast) using the R package "indicspecies". ArchiMer
Lalanne, Yann; Huguenin, Laura; De Casamajor, Marie-noelle.
Ecological  indicators are useful to monitor environmental changes and assess ecological management and conservation. They provide information to understand the environment and its health status while also highlighting changes in the environment by giving early warning signals. Among them, the identification of indicator species add ecological meaning to studied sites and their use is an alternative to sampling the entire biodiversity. The northern Basque  coast (located in  the  South  of  the  Bay  of  Biscay marine sub-area  - France) is  dominated by remarkable rocky habitats as stable platforms and mobile boulder fields exposed to swells and freshwater incomes. Recently, the context of the Marine Strategy Framework Directive emphasized significant...
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Ano: 2017 URL: http://archimer.ifremer.fr/doc/00391/50216/50853.pdf
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Impact of urban effluents on benthic communities along the Basque coast ArchiMer
Huguenin, Laura; De Casamajor, Marie-noelle; Lalanne, Yann; Gorostiaga, José-maria; Monperrus, Mathilde.
Tipo: Text
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00406/51742/52857.pdf
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Impact of urban effluents on subtidal and intertidal rocky biocenosis along the Basque coast ArchiMer
Huguenin, Laura; De Casamajor, Marie-noelle; Lalanne, Yann; Gorostiaga, José-maria; Monperrus, Mathilde.
In compliance with the Water Framework Directive (WFD), the good ecological status assessment for Channel-Atlantic coastal water bodies is currently carried out in the intertidal and subtidal zones using a biological indicator based on macroalgae on the rocky coasts. The second step of this Directive (2016-2021) deals with the workings of the marine ecosystem. Therefore, macrofauna has also to be taken into account in the both zones. Current works about the WFD indicator of pressure-impact interactions show deficiencies on how the biological indicators respond to each pressure regarding magnitude and type. Therefore, the implementation of a monitoring program on the southern rocky coast is essential to understand and assess the proper ecological condition...
Tipo: Text
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00382/49332/49718.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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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
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Rapport du projet. Développement d'outils méthodologiques pour l'évaluation de biocénoses marines et de ressources halieutiques d'intérêt régional en vue de leur conservation ou de leur valorisation durable. DESCARTES 2 ArchiMer
Caill-milly, Nathalie; De Casamajor, Marie-noelle; Bru, Noelle; D'Amico, Franck; Lalanne, Yann; Huguenin, Laura; Kermorvant, Claire; Sanchez, Florence; Lissardy, Muriel; Abadie, Stephane; Maron, Philippe; Maillet, Grégoire; Regard, Vincent; Pigot, Thierry.
Descartes 2 propose la mise au point et l'optimisation de protocoles d'échantillonnage qualifiant les biocénoses marines et des ressources halieutiques d'intérêt régional sur deux types de milieux aquitains : la côte basque rocheuse et le bassin d'Arcachon. Tester et définir des méthodes d'échantillonnage fiables, applicables en routine et transférables, requièrent une phase de recherche impliquant des compétences en mathématiques, hydrodynamique, sciences du vivant. Le projet contribuera ainsi, par des actions scientifiques, à l'amélioration des politiques publiques pour la gestion du milieu marin, y compris sur des problématiques transfrontalières. Par ailleurs le projet Descartes 2 vise à contribuer au renforcement durable du partenariat...
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Ano: 2016 URL: http://archimer.ifremer.fr/doc/00359/47065/46968.pdf
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Rocky shore benthic communities as indicators of global change in the context of European directives ArchiMer
De Casamajor, Marie-noelle; Lalanne, Yann; Huguenin, Laura; Oger-jeanneret, Helene.
The implementation of European Directives in the last decade (WFD, MSFD, DHFF) shows a growing interest in assessing the environmental status of coastal areas in maintaining the ecosystems functionality and biodiversity conservation. In this context, investigations on benthic communities were launched to increase knowledge on taxonomic composition and their spatial distribution. On the Basque coast, rocky shores present remarkable habitats and biogeographic specificities, both in intertidal and subtidal areas. These productive environments, covered with shallow seaweed beds, have a high functionality such as nursery and a protective function for many species during their life cycle. At the scale of marine sub-area of the Bay of Biscay, data available...
Tipo: Text
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00357/46860/46753.pdf
Registros recuperados: 10
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