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Registros recuperados: 19
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A coupled biophysical model for the distribution of the great scallop Pecten maximus in the English Channel ArchiMer
Le Goff, Clement; Lavaud, Romain; Cugier, Philippe; Jean, Fred; Flye-sainte-marie, Jonathan; Foucher, Eric; Desroy, Nicolas; Fifas, Spyros; Foveau, Aurelie.
In this paper we used a modelling approach integrating both physical and biological constraints to understand the biogeographical distribution of the great scallop Pecten maximus in the English Channel during its whole life cycle. A 3D bio-hydrodynamical model (ECO-MARS3D) providing environmental conditions was coupled to (i) a population dynamics model and (ii) an individual ecophysiological model (Dynamic Energy Budget model). We performed the coupling sequentially, which underlined the respective role of biological and physical factors in defining P. maximus distribution in the English Channel. Results show that larval dispersion by hydrodynamics explains most of the scallop distribution and enlighten the main known hotspots for the population,...
Tipo: Text Palavras-chave: Population dynamic model; Ecophysiological model; English Channel; Pecten maximus; Spatial distribution.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00355/46642/46467.pdf
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A digital atlas to link ontogenic shifts in fish spatial distribution to the environment of the eastern English Channel. Dab, Limanda limanda as a case-study ArchiMer
Martin, Corinne; Vaz, Sandrine; Koubbi, Philippe; Meaden, Geoff; Engelhard, Georg H.; Lauria, Valentina; Gardel, Laure; Coppin, Franck; Delavenne, Juliette; Dupuis, Ludovic; Ernande, Bruno; Foveau, Aurelie; Lelievre, Stephanie; Morin, Jocelyne; Warembourg, Caroline; Carpentier, Andre.
The eastern English Channel, which connects the Atlantic Ocean to the North Sea through the Dover Strait, is an area where numerous and often conflicting human activities take place. A cross-border multidisciplinary project called CHARM was initiated to provide knowledge and tools for planners and decision-makers to durably manage the shared marine living resources. One such tool was an atlas of fish spatial distributions and modelled habitats, which was used here to investigate ontogenic and seasonal shifts in fish spatial distribution and habitat through a case-study, the dab Limanda limanda. Survey data for several life-history stages (eggs, larvae, coastal nurseries, < and > 1 year old) and seasons were used to map spatial patterns (using...
Tipo: Text Palavras-chave: Pleuronectidae; Limanda limanda; Eastern Channel; Spatial distribution; Modelling; Kriging; Ichthyoplankton; Trawl; CUFES.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00008/11942/8646.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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Contrôle de surveillance benthique de la Directive Cadre sur l'Eau (2000/60/CE) : Année 2015 - District Artois-Picardie ArchiMer
Foveau, Aurelie; Garcia, Aurélie; Desroy, Nicolas; Le Mao, Patrick.
This report shows results of the monitoring actions carried out in 2015 (surveillance monitoring of macrobenthic invertebrates) in the water bodies (coastal and transitional) of the Artois-Picardie water district. Results are compared with those collected during the first management plan (2010-2015).
Tipo: Text Palavras-chave: Directive Cadre Eau; Benthos; Réseau de surveillance; Manche; European Water Framework Directive; Benthos; Monitoring Network; English Channel.
Ano: 2017 URL: https://archimer.ifremer.fr/doc/00472/58378/60943.pdf
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Contrôle de surveillance benthique de la Directive Cadre sur l'Eau (2000/60/CE) : Volume I : MacroInvertébrés benthiques de substrats meubles, Année 2016. District Seine-Normandie. ArchiMer
Foveau, Aurelie; Desroy, Nicolas; Le Mao, Patrick.
This report presents results of the monitoring actions in 2016 (on benthic invertebrates communities) in the water bodies of the Seine-Normandie water district.
Tipo: Text Palavras-chave: Directive Cadre Eau; Benthos; Réseau de surveillance; Manche; European Water Framework Directive; Benthos; Monitoring Network; English Channel.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00472/58374/60938.pdf
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Contrôle de surveillance benthique de la Directive Cadre sur l'Eau (2000/60/CE) : Volume II : Flore autre que phytoplancton, Année 2016. District Seine-Normandie. ArchiMer
Foveau, Aurelie; Desroy, Nicolas; Le Mao, Patrick.
This report presents results of the monitoring actions carried out in 2016 (on flora other than phytoplankton) in the water bodies of the Seine-Normandie water district.
Tipo: Text Palavras-chave: Directive Cadre Eau; Benthos; Réseau de surveillance; Manche; European Water Framework Directive; Benthos; Monitoring Network; English Channel.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00472/58375/60939.pdf
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Distribution patterns in the benthic diversity of the eastern English Channel ArchiMer
Foveau, Aurelie; Desroy, Nicolas; Dauvin, Jean-claude; Dewarumez, Jean-marie.
Understanding the distribution of specific diversity is currently an important focus in marine research, and the role of marine biodiversity has been fully recognised as essential for the proper functioning of the biosphere. The objective of this study was to explain the distribution of macrobenthic taxonomic richness (vagile epifauna, endofauna and sessile epifauna) in the eastern part of the English Channel using both classical methods and applying the mid-domain effect (MDE) model. High diversity was encountered in the eastern English Channel (875 taxa), with high-diversity areas often comprising gravelly or pebbly sediments. Sessile epifauna represented 25% of this inventory, revealing the importance of this group. Our results underline the existence...
Tipo: Text Palavras-chave: Benthic community distribution; Species richness gradient; Mid-domain effect; Chao index.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00137/24780/22835.pdf
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Habitats et communautés benthiques du bassin oriental de la Manche : état des lieux au début du XXIe siècle ArchiMer
Foveau, Aurelie.
This study is devoted in providing an updated knowledge on the macrobenthic community structure and biodiversity in the eastern English Channel in the early 2000s. Results obtained were compared with results obtained by L. Cabioch and colleagues for the period of 1971-1976. The distribution of macrobenthic communities is highly governed by the sedimentary cover. The Folk classification was used for sedimentology and mapping of bottom type characterization for the two study periods. A relative stability of the sedimentary cover was observed wherein 69% of the study area showed slight or no change in sedimentary cover. This is mainly due to the hydrodynamics in the area which is the dominant structuring factor in the eastern English Channel. Variations were...
Tipo: Text Palavras-chave: Bassin oriental de la Manche; Couverture sédimentaire; Communautés benthiques; Diversité; Modélisation d’habitats; Comparaison; Eastern English Channel; Sedimentary cover; Benthic communities; Diversity; Habitat modeling; Comparison.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/00083/19474/17089.pdf
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Impacts of data quality on the setting of conservation planning targets using the species-area relationship ArchiMer
Metcalfe, Kristian; Delavenne, Juliette; Garcia, Clement; Foveau, Aurelie; Dauvin, Jean-claude; Coggan, Roger; Vaz, Sandrine; Harrop, Stuart R.; Smith, Robert J..
Aim : The speciesarea relationship (SAR) is increasingly being used to set conservation targets for habitat types when designing protected area networks. This approach is transparent and scientifically defensible, but there has been little research on how it is affected by data quality and quantity. Location : English Channel. Methods : We used a macrobenthic dataset containing 1314 sampling points and assigned each point to its associated habitat type. We then used the SAR-based approach and tested whether this was influenced by changes in (i) the number of sampling points used to generate estimates of total species richness for each habitat type; (ii) the nonparametric estimator used to calculate species richness; and (iii) the level of habitat...
Tipo: Text Palavras-chave: English Channel; Habitat targets; Marine Conservation Zones; Marine protected areas; Species-area relationship; Systematic conservation planning.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00116/22745/20689.pdf
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Les espèces marines animales et végétales introduites dans le bassin Artois-Picardie ArchiMer
Dewarumez, Jean-marie; Gevaert, Francois; Masse, Cécile; Foveau, Aurelie; Desroy, Nicolas; Grulois, Daphnée.
Cet ouvrage est le fruit d’une collaboration entre l’Agence de l’Eau Artois-Picardie et le Laboratoire d’Océanologie et de Géosciences de Wimereux (LOG). Il recense les espèces marines animales et végétales introduites sur la Côte d’Opale, en région Nord - Pas-de-Calais: le but de l'ouvrage est de présenter la liste la plus exhaustive possible des espèces marines introduites. Sont présentés la biologie, l'habitat, la date d'introduction parfois estimée ou la date de première signalisation, la répartition de l'espèce dans les mers avoisinantes ainsi que les problèmes environnementaux qu'elle pose éventuellement.
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Ano: 2011 URL: http://archimer.ifremer.fr/doc/00158/26894/25125.pdf
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Modelling larval dispersal of Pecten maximus in the English Channel: a tool for the spatial management of the stocks ArchiMer
Nicolle, Amandine; Moitie, Roderic; Ogor, Julien; Dumas, Franck; Foveau, Aurelie; Foucher, Eric; Thiebaut, Eric.
The great scallop Pecten maximus supports one of the most important and valuable commercial fisheries around the British Isles and in the northwest of France, but the resource is mainly managed at the scale of each local fishing ground through a combination of European, national and local measures. To analyse the larval dispersal pathways and connectivity patterns among fishing grounds of the great scallop in the Celtic Sea and the English Channel, a particle tracking model was developed. The model combined a 3D physical circulation model that simulated currents and temperature fields and a scallop larval submodel that took into account a temperature-dependent planktonic larval duration and an active vertical swimming behaviour. Due to the lack of stock...
Tipo: Text Palavras-chave: Connectivity; English Channel; Fishery management; Great scallop; Larval dispersal; Particle-tracking model.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00363/47375/50155.pdf
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Modelling larval dispersal of the king scallop (Pecten maximus) in the English Channel: examples from the bay of Saint-Brieuc and the bay of Seine ArchiMer
Nicolle, Amandine; Dumas, Franck; Foveau, Aurelie; Foucher, Eric; Thiebaut, Eric.
The king scallop (Pecten maximus) is one of the most important benthic species of the English Channel as it constitutes the first fishery in terms of landings in this area. To support strategies of spatial fishery management, we develop a high-resolution biophysical model to study scallop dispersal in two bays along the French coasts of the English Channel (i.e. the bay of Saint-Brieuc and the bay of Seine) and to quantify the relative roles of local hydrodynamic processes, temperature-dependent planktonic larval duration (PLD) and active swimming behaviour (SB). The two bays are chosen for three reasons: (1) the distribution of the scallop stocks in these areas is well known from annual scallop stock surveys, (2) these two bays harbour important fisheries...
Tipo: Text Palavras-chave: King scallop; English Channel; Numerical model; Lagrangian transport; Planktonic larval duration; Swimming behaviour.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00146/25705/26396.pdf
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Morphospecies and taxonomic sufficiency of benthic megafauna in scientific bottom trawl surveys ArchiMer
Brind'Amour, Anik; Laffargue, Pascal; Morin, Jocelyne; Vaz, Sandrine; Foveau, Aurelie; Le Bris, Herve.
Scientific fisheries surveys routinely identify a large diversity of commercial and non-commercial benthic megainvertebrates that could provide useful information for Marine Strategy Framework Directive (MSFD) descriptors. Species is obviously the basic taxonomic level to which most ecological studies and theories refer. Identification at this level of organization is indeed always preferred over any other taxonomic level. Nevertheless, aggregation of species to higher taxonomic levels may be unavoidable sometimes, since errors of identification are known or suspected to occur in many surveys. Using analyses of taxonomic sufficiency (identification of organisms at various taxonomic resolutions) and groups of morphospecies (taxa identified easily by...
Tipo: Text Palavras-chave: Bay of Biscay; English Channel; North Sea; Taxonomic sufficiency; Benthic descriptor; Bottom trawl surveys.
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00162/27309/25538.pdf
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Process-driven and biological characterisation and mapping of seabed habitats sensitive to trawling ArchiMer
Foveau, Aurelie; Vaz, Sandrine; Desroy, Nicolas; Kostylev, Vladimir E..
The increase of anthropogenic pressures on the marine environment together with the necessity of a sustainable management of marine living resources have underlined the need to map and model coastal environments, particularly for the purposes of spatial planning and for the implementation of integrated ecosystem-based management approach. The present study compares outputs of a process-driven benthic habitat sensitivity (PDS) model to the structure, composition and distribution of benthic invertebrates in the Eastern English Channel and southern part of the North Sea. Trawl disturbance indicators (TDI) computed from species biological traits and benthic community composition were produced from samples collected with a bottom trawl. The TDI was found to be...
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Ano: 2017 URL: https://archimer.ifremer.fr/doc/00405/51615/52164.pdf
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Range extension of the tanaidid Zeuxo holdichi (Bamber, 1990) along the northern coasts of France? ArchiMer
Foveau, Aurelie; Pezy, Jean-philippe; Bauxi, Noemie; Baffreau, Alexandrine; Bachelet, Quentin; Chouquet, Bastien; Dancie, Chloe; Ruellet, Thierry; Dauvin, Jean-claude.
The tanaidacean crustacean, Zeuxo holdichi was first described from Arcachon Bay, France, by Bamber in 1990. Since then, this species has been recorded several times in Europe, from Iberian Peninsula to Germany. In this present study, we report new records of this species along the northern coasts of France bordering the English Channel. It is hypothesized that Z. holdichi is being spread because of aquaculture activities.
Tipo: Text Palavras-chave: Crustacea; Tanaids; Zeuxo holdichi; English Channel; Northern distribution.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00451/56234/57794.pdf
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Suivi stationnel des herbiers à Zostera noltei dans la masse d'eau côtière FRGC03-Rance Fresnaye (Saint-Jacut-de-la-mer) -Bassin Loire-Bretagne - Bilan 2012-2016 ArchiMer
Lejolivet, Aurore; Foveau, Aurelie; Le Mao, Patrick; Rollet, Claire.
This work is in the framework of the Zostera noltei beds site monitoring along the French coasts. This report deals with data obtained from the Saint-Jacut-de-la-mer eelgrass bed from 2012 to 2016, following protocols for the WFD (Auby et al., 2014).
Tipo: Text Palavras-chave: Directive Cadre sur l’Eau; État écologique; Herbier; Masse d’eau; Rance-Fresnaye; Saint-Jacut-de-la-mer; Suivi stationnel; Zostera noltei.; Water Framework directive; Ecological state; Eelgrass beds; Water body; Rance-Fresnaye; Saint-Jacut-de-la-mer; Site monitoring; Zostera noltei.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00586/69810/67705.pdf
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Suivi stationnel des herbiers à Zostera noltei dans la masse d'eau de transition FRGT03-Le Trieux (Le Trieux) - Bassin Loire-Bretagne - Bilan 2012-2016 ArchiMer
Lejolivet, Aurore; Foveau, Aurelie; Le Mao, Patrick; Rollet, Claire.
This work is in the framework of the Zostera noltei beds site monitoring along the French coasts. This report deals with data obtained from the Trieux estuary eelgrass bed from 2012 to 2016, following protocols for the WFD (Auby et al., 2014).
Tipo: Text Palavras-chave: Directive Cadre sur l’Eau; Estuaire du Trieux; État écologique; Herbiers; Masse d’eau; Suivi stationnel; Zostera noltei.; Water Framework directive; Trieux estuary; Ecological state; Eelgrass beds; Water body; Site monitoring; Zostera noltei.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00586/69811/67706.pdf
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Surprisingly diversified macrofauna in mobile gravels and pebbles from high-energy hydrodynamic environment of the ‘Raz Blanchard’ (English Channel) ArchiMer
Foveau, Aurelie; Dauvin, Jean-claude.
Our study concerns the sampling of patches of mobile gravel and pebbles at 14 stations (25 to 66 m water depth) in an area of hard bottom located in the ‘Raz Blanchard’ (between Cap de La Hague in France and Alderney in the Channel Islands, UK). The samples collected from these benthic habitats with scattered fauna were sieved on 1-mm mesh and subjected to meticulous sorting, revealing the presence of a highly diversified mobile fauna. The epifauna and vagile macrofauna (>1 mm) account for 140 taxa (120 species, 17 genera and three other levels of identification). Amphipods and polychaetes dominate the taxonomic richness, while crustaceans represent 75% of the fauna. Among these taxa, two species are new for the English Channel marine fauna. Biological...
Tipo: Text Palavras-chave: Amphipods; Polychaetes; Taxonomic richness; Hard bottom; High-energy environments.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00397/50828/51591.pdf
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Surveillance écologique et halieutique du site de Gravelines. Novembre 2012 - Octobre 2013 ArchiMer
Antajan, Elvire; Delesmont, Régis; Foveau, Aurelie; Hervio Heath, Dominique; Lefebvre, Alain; Loots, Christophe; Luczak, Christophe.
This is the 36th annual surveillance report concerning the nuclear power plant of Gravelines. Its very high power level results from six plant units located on the shore and is characterised by a cooling system with a coastal surface input and output. The production of electricity began in 1980 and reached maximum in 1986. Surveys concern monitoring of pelagic system (hydrology, microbiology, phytoplankton, and zooplankton), fish populations (larvae and eggs of Sole and Sprat) or crustaceans (shrimps), and benthic macrofauna (intertidal and subtidal). This survey deals with spatial and temporal approaches (i) study of the direct impact by comparison of the input and output seawater stations, (ii) study of medium and long term evolution of the area by...
Tipo: Text Palavras-chave: Centrale nucléaire; Gravelines; Surveillance; Hydrologie; Halieutique; Plancton – Microbiologie; Benthos; Nuclear power plant; Gravelines; Network survey; Hydrology; Fisheries; Plankton; Microbiology; Benthos.
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00197/30862/29230.pdf
Registros recuperados: 19
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