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Registros recuperados: 92
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Biocénoses des fonds meubles du circalittoral. Sous-région marine Manche - Mer du Nord. Evaluation initiale DCSMM. ArchiMer
Rolet, Céline; Desroy, Nicolas.
Tipo: Text Palavras-chave: Manche; Mer du Nord; Circalittoral; Fonds meubles; Campagnes d'exploration; Biocénoses; Espèces benthiques.
Ano: 2012 URL: https://archimer.ifremer.fr/doc/00327/43840/43414.pdf
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The presence of Melinna palmata (Annelida : Polychaeta) and Ensis directus (Mollusca : Bivalvia) related to sedimentary changes in the Bay of Seine (English Channel, France) ArchiMer
Dauvin, J; Ruellet, T; Thiebaut, E; Gentil, F; Desroy, Nicolas; Janson, A; Duhamel, S; Jourde, J; Simon, S.
Since late 1990s the annelid polychaete Melinna palmata and the mollusc bivalve Ensis directus have been collected in the eastern part of the Bay of Seine (English Channel), indicating changes in the benthic communities. Melinna palmata was never collected prior to 2002, whereas it was reported in the muddy fine sands of the western part of the Channel, along the French (e.g. Bay of Cherbourg) and southern UK (e.g. Southampton Waters) coasts. Ensis directus was first reported in 1998 and now appears to be well implanted, given the abundant population collected in 2006. The colonization of Melina palmata seems to be a consequence of recent increase of the fine sediment in the eastern part of the Bay, while that of the invasive Ensis directus seems more...
Tipo: Text Palavras-chave: Invasive species; Environmental disturbances; New records; Range expansion; English Channel; Bay of Seine; Ensis directus; Melinna palmata.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/publication-3567.pdf
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Ephemeral Bio-engineers or Reef-building Polychaetes: How Stable are Aggregations of the Tube Worm Lanice conchilega (Pallas, 1766)? ArchiMer
Callaway, Ruth; Desroy, Nicolas; Dubois, Stanislas; Fournier, Jerome; Frost, Matthew; Godet, Laurent; Hendrick, Vicki J.; Rabaut, Marijn.
Dense aggregations of tube-worms can stabilize sediments and generate oases for benthic communities that are different and often more diverse and abundant than those of the surroundings. If these features are to qualify as biogenic reefs under nature-conservation legislation such as the EC Habitats Directive, a level of stability and longevity is desirable aside from physical and biological attributes. Lanice conchilega (Pallas, 1766) is widely distributed around the European coast and aggregations of this tube-dwelling polychaete are known to have a positive effect on the biodiversity of associated species in inter- and sub-tidal areas. This increases the value of L. conchilega-rich habitats for higher trophic levels such as birds and fish. However, L....
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Ano: 2010 URL: http://archimer.ifremer.fr/doc/00011/12222/9284.pdf
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Évolution du récif à Sabellaria alveolata (L.) de la baie du Mont-Saint-Michel ArchiMer
Ricquiers, Laurent; Desroy, Nicolas; Dubois, Stanislas; Guerin, Laurent; Gerla, Daniel; Legendre, Aurelie; Le Mao, Patrick; Rougerie, Michel.
L’état de santé du récif à Sabellaria alveolata de Sainte-Anne a été évalué afin de juger des conséquences des activités menées en baie du Mont Saint Michel (conchyliculture, pêche à pied…) sur ce patrimoine naturel remarquable. Un relevé de différents paramètres a été conduit en 2002 (Dubois, 2003), puis en 2007 sur ce récif subdivisé en carrés de 75x75m. Parmi les données collectées, ont été cartographiées (à l’aide du logiciel SURFER®) afin d’apprécier l’évolution du récif : (1) le recouvrement du récif par les huîtres ; (2) le degré de fragmentation et (3) l’indice d’état de santé (IS)
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Ano: 2007 URL: https://archimer.ifremer.fr/doc/00156/26686/24748.pdf
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Individual-based simulation of the spatial and temporal dynamics of macroinvertebrate functional groups provides insights into benthic community assembly mechanisms ArchiMer
Alexandridis, Nikolaos; Bacher, Cedric; Desroy, Nicolas; Jean, Fred.
The complexity and scales of the processes that shape communities of marine benthic macroinvertebrates has limited our understanding of their assembly mechanisms and the potential to make projections of their spatial and temporal dynamics. Individual-based models can shed light on community assembly mechanisms, by allowing observed spatiotemporal patterns to emerge from first principles about the modeled organisms. Previous work in the Rance estuary (Brittany, France) revealed the principal functional components of its benthic macroinvertebrate communities and derived a set of functional relationships between them. These elements were combined here for the development of a dynamic and spatially explicit model that operates at two spatial scales. At the...
Tipo: Text Palavras-chave: Individual-based model; Inter-scale modeling; Functional groups; Benthic macroinvertebrates; Community assembly; Biological traits; Biotic interactions; Alpha-diversity; Beta-diversity; Rance estuary.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00445/55654/57319.pdf
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Preliminary results on long-term changes of estuarine benthic communities 45 years after the implementation of a tidal power station in the Rance basin (northern Brittany, France). ArchiMer
Trigui, Rima-jihane; Desroy, Nicolas; Le Mao, Patrick; Thiebaut, Eric.
Objectives : In order to follow the benthic community change in the upstream part of the Rance estuary (poly- and mesohaline areas), a spatio-temporal study is in progress, which aims to compare the structure of the benthic communities with: (1) The previous results of Desroy (1995); (2)Those present in a morphologically similar but unmanaged system, the Trieux estuary.
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Ano: 2011 URL: http://archimer.ifremer.fr/doc/00156/26692/24758.pdf
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How do macrobenthic resources concentrate foraging waders in large megatidal sandflats? ArchiMer
Ponsero, Alain; Sturbois, Anthony; Desroy, Nicolas; Le Mao, Patrick; Jones, Auriane; Fournier, Jerome.
The relationship between foraging shorebirds, macrobenthos and sedimentary parameters has been widely studied across Western Europe. Megatidal areas have large zones uncovered when the water retreats. Consequently, in such cases, the tide also influences foraging activities. This paper examines the use of an intertidal space by waders to define how macrobenthic resource concentrates foraging activity of birds in a large megatidal sandflat. This approach combines accurate spatial distribution of waders (Oystercatcher, Eurasian curlew, Bar-tailed Godwit and Redknot) according to their activity with ecological/biological parameters. A differential exploitation of the flat is clearly shown, with macrobenthic biomass appearing as one of the main explanatory...
Tipo: Text Palavras-chave: Waders; Benthos; Foraging behavior; Sandflat; Megatidal environment.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00340/45168/44563.pdf
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Contrôle de surveillance benthique de la Directive Cadre sur l'Eau (2000/60/CE) : Année 2009 - District Seine-Normandie ArchiMer
Nebout, Thibaut; Desroy, Nicolas; Le Mao, Patrick.
This report deals with results of monitoring carried out in 2009 (monitoring control for benthic invertebrates, maerl beds and opportunistic algae) for the area concerned by 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: 2010 URL: http://archimer.ifremer.fr/doc/00242/35286/33804.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.
Tipo: Text
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00158/26894/25125.pdf
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Protocole de suivi stationnel des macroinvertébrés benthiques de substrats meubles subtidaux et intertidaux dans le cadre de la DCE - Façades Manche et Atlantique - Rapport AQUAREF 2014 ArchiMer
Garcia, Aurelie; Desroy, Nicolas; Le Mao, Patrick; Miossec, Laurence.
This protocol details the planning, the periods and sampling methods for benthic macroinvertebrates soft bottoms in English Channel and Atlantic water bodies in the context of the WFD. It also describes techniques for analyzing samples and the method of banking data.
Tipo: Text
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00269/38067/36196.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) - Année 2014 - District Artois Picardie ArchiMer
Garcia, Aurélie; Desroy, Nicolas; Le Mao, Patrick.
This report deals with results of monitoring carried out in 2014 for the area concerned by the Artois-Picardie water district.
Tipo: Text Palavras-chave: Directive Cadre Eau; Benthos; Réseau de surveillance; Manche; European Water Framework Directive; Benthos; Monitoring Network; English Channel.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00302/41313/40503.pdf
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Avis de l'Ifremer sur demandes SM20/0004 et SM20/0050 de concessions en Rance ArchiMer
Cheve, Julien; Desroy, Nicolas.
Tipo: Text
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00681/79319/81827.pdf
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Impact of the Phaeocystis globosa spring bloom on the intertidal benthic compartment in the eastern English Channel: A synthesis ArchiMer
Spilmont, Nicolas; Denis, Lucie; Artigas, Luis Felipe; Caloin, Frederic; Courcot, Lucie; Creach, Anne; Desroy, Nicolas; Gevaert, Francois; Hacquebart, Pascal; Hubas, Cedric; Janquin, Marie-andree; Lemoine, Yves; Luczak, Christophe; Migne, Aline; Rauch, Mathieu; Davoult, Dominique.
From 1999 to 2005, studies carried out in the frame of regional and national French programs aimed to determine whether the Phaeocystis globosa bloom affected the intertidal benthic communities of the French coast of the eastern English Channel in terms of composition and/or functioning. Study sites were chosen to cover most of the typical shore types encountered on this coast (a rocky shore, an exposed sandy beach and a small estuary). Both the presence of active Phaeocystis cells and their degradation product (foam) did have a significant impact on the studied shores. The primary production and growth rates of the kelp Saccharina latissima decreased during the bloom because of a shortage of fight and nutrient for the macroalgae. On sandy sediments, the...
Tipo: Text Palavras-chave: Macrozoobenthos; Bacteria; Saccharina latissima; Benthic fluxes; Phaeocystis globosa; Intertidal.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-6142.pdf
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Atlas de la faune marine invertébrée du golfe Normano-Breton. Volume 2. Annélides ArchiMer
Le Mao, Patrick; Godet, Laurent; Fournier, Jérôme; Desroy, Nicolas; Gentil, Franck; Thiébault, Eric; Pourinet, Laurent.
Le golfe Normano-Breton est bordé au sud par les côtes rocheuses bretonnes indentées des deux grandes baies de Saint-Brieuc et du Mont-Saint-Michel et, à l’est, par les côtes normandes, essentiellement sableuses et ponctuées d’une succession de havres entre les falaises de Carolles et le cap de la Hague. Abritant les îles Anglo-Normandes, ce golfe se caractérise par des petits fonds généralement inférieurs à 50 mètres de profondeur, un régime de marée macro à mégatidal, de forts courants et la présence de structures tourbillonnaires qui l’isolent en partie du reste de la Manche occidentale. La mosaïque de ses fonds – composés pour l’essentiel de sédiments grossiers – et de ses habitats benthiques, combinée à une riche histoire naturaliste, en font un...
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Ano: 2019 URL: https://archimer.ifremer.fr/doc/00612/72371/71330.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.
Tipo: Text
Ano: 2018 URL: http://archimer.ifremer.fr/doc/00427/53868/54918.pdf
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Atlas de la faune marine invertébrée du golfe Normano-Breton. Volume 4. Arthropodes ArchiMer
Le Mao, Patrick; Godet, Laurent; Fournier, Jérôme; Desroy, Nicolas; Gentil, Franck; Thiébault, Eric; Pourinet, Laurent.
Le golfe Normano-Breton est bordé au sud par les côtes rocheuses bretonnes indentées des deux grandes baies de Saint-Brieuc et du Mont-Saint-Michel et, à l’est, par les côtes normandes, essentiellement sableuses et ponctuées d’une succession de havres entre les falaises de Carolles et le cap de la Hague. Abritant les îles Anglo-Normandes, ce golfe se caractérise par des petits fonds généralement inférieurs à 50 mètres de profondeur, un régime de marée macro à mégatidal, de forts courants et la présence de structures tourbillonnaires qui l’isolent en partie du reste de la Manche occidentale. La mosaïque de ses fonds – composés pour l’essentiel de sédiments grossiers – et de ses habitats benthiques, combinée à une riche histoire naturaliste, en font un...
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Ano: 2019 URL: https://archimer.ifremer.fr/doc/00612/72372/71331.pdf
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Trophic ecology of juvenile flatfish in a coastal nursery ground: contributions of intertidal primary production and freshwater particulate organic matter ArchiMer
Kostecki, Caroline; Roussel, J. M.; Desroy, Nicolas; Roussel, G.; Lanshere, J.; Le Bris, H.; Le Pape, Olivier.
Coastal and estuarine nurseries are essential habitats for juvenile flatfish. These small but productive areas provide food supply and sustain adult fish populations. The Mont-Saint-Michel Bay (MSMB) supports an important flatfish nursery ground but differs from many other nursery habitats due to limited freshwater inputs. The objectives of the present study in the MSMB were to (1) use gut content analysis to identify prey of the 2 most abundant flatfish species (common sole Solea solea and plaice Pleuronectes platessa) for different juvenile age-classes (0-group and 1-group for sole, 0-group for plaice), (2) use C and N stable isotope analysis to model the production sources sustaining juvenile flatfish production, and (3) compare these results with...
Tipo: Text Palavras-chave: Microphytobenthos; Organic matter origin; Benthic food web; Coastal nursery ground; Juvenile flatfish.
Ano: 2012 URL: http://archimer.ifremer.fr/doc/00073/18438/15976.pdf
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Contrôle de surveillance benthique de la Directive Cadre sur l'Eau (2000/60/CE) : Année 2011 - District Artois-Picardie ArchiMer
Nebout, Thibaut; Desroy, Nicolas; Le Mao, Patrick.
This report deals with results of monitoring carried out in 2011 (monitoring control for benthic compartment : benthic invertebrates and macroalgae) for the area concerned by the Artois-Picardie water district.
Tipo: Text Palavras-chave: Directive Cadre Eau; Benthos; Réseau de surveillance; Manche; European Water Framework Directive; Benthos; Monitoring Network; English Channel.
Ano: 2012 URL: http://archimer.ifremer.fr/doc/00242/35277/33796.pdf
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Contrôle de surveillance benthique de la Directive Cadre sur l'Eau (2000/60/CE) : Année 2012 - District Artois-Picardie ArchiMer
Garcia, Aurelie; Desroy, Nicolas; Le Mao, Patrick.
This report deals with results of monitoring carried out in 2012 (monitoring control for benthic invertebrates, marine angiosperms and opportunistic algae) for the area concerned by the Artois-Picardie water district.
Tipo: Text Palavras-chave: Directive Cadre Eau; Benthos; Réseau de surveillance; Manche; European Water Framework Directive; Benthos; Monitoring Network; English Channel.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00242/35280/33798.pdf
Registros recuperados: 92
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