Consulta: creatorFacets:"Lalanne, Yann"
Registros recuperados: 11
Data/hora: 07/06/2024 11:16:28

Cystoseira baccata meadows along the French Basque coast (Bay of Biscay) as a reference for the implementation of the Water Framework and Marine Strategy EU directives
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: De Casamajor, Marie-noelle; Derrien-courtel, Sandrine; Lalanne, Yann; Maria Gorostiaga, José; Le Gal, Aodren; Huguenin, Laura; Quintano, Endika; Lissardy, Muriel.
Cystoseira baccata, a biological quality element for the implementation of the Water Framework and Marine Strategy EU Directives, is a dominant species in the subtidal rocky bottoms of the Basque coast. As part of this issue and given the need to better understand the functional character of benthic rocky ecosystems and use them as a reference to anthropogenic changes, two samplings campaigns were conducted in 2014 and 2017. Several population parameters (i.e. frond density, frond length frond-length/total frond-length ratio and taxonomic richness of epibionts) of C. baccata were studied from three sites monitored within the Water Directive Framework in relation to bathymetry during the two campaigns. The results showed a significant influence of...
Tipo: Text
Palavras-chave: Bathymetry; Cystoseira baccata; Epiphytes; Foundation species; Population parameters; Water framework directive.
Ano: 2019
URL: https://archimer.ifremer.fr/doc/00500/61151/64581.pdf

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
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: 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...
Tipo: Text
Ano: 2016
URL: http://archimer.ifremer.fr/doc/00359/47065/46968.pdf

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".
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: 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...
Tipo: Text
Ano: 2017
URL: http://archimer.ifremer.fr/doc/00391/50216/50853.pdf

Rocky shore benthic communities as indicators of global change in the context of European directives
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: 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

BIGORNO. Biodiversité Intertidale sud Gascogne Observation et Recherche de Nouveaux Outils de surveillance et d'aide à la décision - Rapport fiinal
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: 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

Impact of urban effluents on subtidal and intertidal rocky biocenosis along the Basque coast
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: 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

Impact of urban effluents on benthic communities along the Basque coast
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: 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

Intérêt biogéographique de la côte basque rocheuse
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: De Casamajor, Marie-noelle; Lalanne, Yann.
During recent decades, works on rocky shore biodiversity have been multiplied in the southern part of the Bay of Biscay and more precisely on intertidal and subtidal area were communities present a great interest. Necessity of conservation of coastal habitats and their communities and a growing pressure on coastal environments explain awareness of services provided by these ecosystems. Those communities are very sensitive to water quality change. Moreover, since the beginning of the XXI century various European directives require a good ecological status of coastal waters and conservation of their communities : Water Framework Directive (WFD), Marine Strategy Framework Directive (MSFD) and conservation of habitats with Directive Habitat Fauna and Flora...
Tipo: Text
Palavras-chave: Biodiversité; Substrats rocheux; Côte basque; Changement climatique; Golfe de Gascogne.; Biodiversity; Rocky shore; Basque coast; Climate change; Bay of Biscay.
Ano: 2016
URL: http://archimer.ifremer.fr/doc/00347/45781/45426.pdf

Indicator species of intertidal boulder fields on the French Basque coast
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: 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...
Tipo: Text
Ano: 2016
URL: http://archimer.ifremer.fr/doc/00344/45524/45082.pdf

Does spatial distribution of fauna depend on algal belts on intertidal boulder fields of the French Basque coast ?
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: 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...
Tipo: Text
Ano: 2016
URL: http://archimer.ifremer.fr/doc/00344/45523/45081.pdf

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)
Provedor de dados: Institutional Archive of Ifreme (ArchiMer)
Autores: 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