Sabiia Seb
PortuguêsEspañolEnglish
Embrapa
        Busca avançada

Botão Atualizar


Botão Atualizar

Ordenar por: RelevânciaAutorTítuloAnoImprime registros no formato resumido
Registros recuperados: 25
Primeira ... 12 ... Última
Imagem não selecionada

Imprime registro no formato completo
Acquisition de données sur l'expansion de Caulerpa taxifolia et Caulerpa racemosa en rade d'Hyères et en rade de Toulon (France) ArchiMer
Belsher, Thomas; Lunven, Michel; Le Gall, Erwan; Caisey, Xavier; Dugornay, Olivier; Mingant, Christian.
The oceanographic cruise Califa 2000, as the previous cruise, which concerned the "Parc National de Port-Cros", had for its principal objective to furnish some elements susceptible to help in the control of Caulerpa taxifolia expansion and in the protection of particularly sensitive areas (national parks, patrimonial sectors, regions of socio-economic importance). The cruise lasted from the 4th to the 21st of September 2000 in the rade d'Hyeres, Porquerolles island included, and the rade of Toulon. This detailed prospection gives a location of C. taxifolia and C. racemosa, a new invasive seaweed. (C) 2003 Editions scientifiques et medicales Elsevier SAS. All rights reserved.
Tipo: Text Palavras-chave: Rade de Toulon; Rade d' Hyeres; Cartography; Caulerpa racemos; Caulerpa taxifolia; Invasive species; Rade de Toulon; Rade d'Hyères; Cartographie; Caulerpa racemosa; Caulerpa taxifolia; Espèces invasives.
Ano: 2003 URL: http://archimer.ifremer.fr/doc/2003/publication-520.pdf
Imagem não selecionada

Imprime registro no formato completo
Budget énergétique de l'huître perlière, Pinctada margaritifera, dans le lagon de Takapoto ArchiMer
Pouvreau, Stéphane; Tiapari, Jérôme; Gangnery, Aline; Garnier, M.; Lagarde, Franck; Robert, Stéphane; Jonquieres, Gerard; Teissier, Hinano; Prou, Jean; Bennett, Auguste; Caisey, Xavier; Haumani, Gaby; Buestel, Dominique; Bodoy, Alain.
Tipo: Text
Ano: 1999 URL: http://archimer.ifremer.fr/doc/00041/15176/12513.pdf
Imagem não selecionada

Imprime registro no formato completo
Captage de naissain de pectinidés en rade de Brest. Incidences sur les programmes d'aménagement. ArchiMer
Dao, Jean-claude; Caisey, Xavier.
Since 1973, spat collection bas been conducted by IFREMER in the bay of Brest. This collection aimed at providing juveniles of Pecten maximus (1973-77) and then Chlamys varia(1977-87) in order to improve the management of the fishing grounds of the two species. Since 1982, the efforts have been focussed on the P. maximus spat production through the hatchery/nursery systems and the intermediate culture. Juveniles are seeded above a minimum size to create an additional population. In parallel, the levels of spat yied/collector have been followed as a pre-recruit index. At present time, there is no increase of spat collection during 1985-1990. Moreover, the results rise up the question of water quality in the bay of Brest for this group apparently very...
Tipo: Text Palavras-chave: Pectinidés; Captage; Collecteurs; Rade de Brest; Scallop; Pectinids; Spat collection; Bay of Brest.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/00108/21965/19560.pdf
Imagem não selecionada

Imprime registro no formato completo
Cartographie prédictive du champ de Laminaires du plateau Molénais sur la base des données physiques et biologiques. Recueil des données acoustiques, biologiques et sédimentaires nouvellement acquises depuis septembre 2010 ArchiMer
Ehrhold, Axel; Bajjouk, Touria; Populus, Jacques; Cordier, Celine; Gorman, Daniel; Gaffet, Jean-dominique; Caisey, Xavier.
Tipo: Text
Ano: 2011 URL: https://archimer.ifremer.fr/doc/00281/39176/37737.pdf
Imagem não selecionada

Imprime registro no formato completo
Cartographie prédictive du champ de laminaires du plateau Molène sur la base des données physiques et biologiques ArchiMer
Bajjouk, Touria; Rochette, Sebastien; Ehrhold, Axel; Cordier, Celine; Laurans, Martial; Tourolle, Julie; Hamdi, Anouar; Tourolle, Julie; Gaffet, Jean-dominique; Caisey, Xavier; Vasquez, Mickael; Populus, Jacques.
Tipo: Text
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00280/39159/37722.pdf
Imagem não selecionada

Imprime registro no formato completo
Cartographie synthétique et analyse des peuplements benthiques sur deux secteurs du littoral français "Manche-Est" et "Loire-Gironde" ArchiMer
Blanchard, Michel; Heim, Marie; Rozec, Xavier; Caisey, Xavier.
This document presents a synthetic study of benthos in two large areas of the French coast: East-Channel and the area between Loire and Gironde. This original synthesis stocktakes biotopes maps published for the vast majority in the 70’s. The report uses the previous descriptions and analysis done by the different authors, and translates them with present specific names or biotopes codes, as proposed in the European EUNIS referring system. The presented maps are standardized and referred geographically with WGS84 to be collated together. For each biotope, specific richness and ecological richness are analysed, thanks to the information given by the various authors. Some informative cards of the main representative species are also presented in the...
Tipo: Text Palavras-chave: Benthos; Peuplement; Cartographie; Littoral français; Manche Est; Bretagne sud; Vendée; Pertuis charentais; Golfe de Gascogne; Benthos; Community; Cartography; French coast; East Channel; Southern Brittany; Vendée; Pertuis charentais; Bay of Biscay.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/00003/11434/7983.pdf
Imagem não selecionada

Imprime registro no formato completo
Contribution à la mise au point de méthodes d'évaluation des sédiments, contaminés par les hydrocarbures aromatiques polycycliques, en fonction de la teneur en matière organique des sédiments (1er Juillet 1998 - 1er Juillet 2001 ). Synthèse des travaux ArchiMer
Pavillon, J-f; Quiniou, Francoise; Caisey, Xavier; Menasria, R..
Les résultats présentés dans cette synthèse reprennent en partie ceux présentés séparément par les deux laboratoires marins : le laboratoire de Physiologie des êtres marins de l'Institut océanographique de Paris et l'antenne brestoise du Département Chimie des polluants de la Direction de l'Environnement Littoral de l'Ifremer, dans les rapports de juillet 99, juillet 2000 et octobre 2002 complétés par des résultats obtenus de juillet 2000 à juillet 2001. L'objectif principal du programme devait permettre de caractériser les effets de la matière organique sur "l'expression" (la biodisponibilité) de la toxicité de substances modèles ; trois Hydrocarbures Aromatiques Polycycliques (HAP) : le fluoranthène, le benzo(k)fluoranthène et le phénanthrène. En effet...
Tipo: Text
Ano: 2003 URL: http://archimer.ifremer.fr/doc/00132/24288/22286.pdf
Imagem não selecionada

Imprime registro no formato completo
Développement de l'aquaculture à Saint-Pierre et Miquelon : le cas d'étude de la pectiniculture - approche et méthodologies ArchiMer
Goraguer, Herle; Goulletquer, Philippe; Caisey, Xavier; Lazure, Pascal; Lajournade, M.; Lunven, Michel; Robert, Stephane; Rodriguez, Julien.
Tipo: Text
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00063/17413/14920.pdf
Imagem não selecionada

Imprime registro no formato completo
Diversité des fonds sur le littoral breton ArchiMer
Caisey, Xavier.
Tipo: Text
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00062/17321/14836.pdf
Imagem não selecionada

Imprime registro no formato completo
Du sonar au microscope : les fonds marins auscultés aux abords du cap de Flamanville ArchiMer
Hamon, Dominique; Ehrhold, Axel; Chevalier, Claire; Caisey, Xavier; Gaffet, Jean-dominique; Alix, Anne-sophie.
Tipo: Text
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00064/17507/15021.pdf
Imagem não selecionada

Imprime registro no formato completo
Etude morpho-sédimentaire du plateau rocheux de la Méloine (Finistère nord). Méthodologie appliquée aux traitements des données et résultats sur la distribution des roches dans l’archipel ArchiMer
Ehrhold, Axel; Gautier, Emeric; Roubi, Angelique; Guerin, Charline; Gaillot, Arnaud; Gaffet, Jean-dominique; Caisey, Xavier.
Etude morpho-sédimentaire du plateau rocheux de la Méloine (Finistère nord) Méthodologie appliquée aux traitements des données et résultats sur la distribution des roches dans l’archipel.
Tipo: Text
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00280/39111/37664.pdf
Imagem não selecionada

Imprime registro no formato completo
Etude morpho-sédimentaire du plateau rocheux de la Méloine (Finistère nord). Recueil des données acoustiques, sédimentaires et d’observations acquises pendant les missions GEOMELOINE et NEOMELEC’H en 2014 ArchiMer
Ehrhold, Axel; Gautier, Emeric; Roubi, Angelique; Guerin, Charline; Gaillot, Arnaud; Gaffet, Jean-dominique; Caisey, Xavier.
Etude morpho-sédimentaire du plateau rocheux de la Méloine (Finistère nord). Recueil des données acoustiques, sédimentaires et d’observations acquises pendant les missions GEOMELOINE et NEOMELEC’H en 2014
Tipo: Text
Ano: 2015 URL: https://archimer.ifremer.fr/doc/00280/39109/37662.pdf
Imagem não selecionada

Imprime registro no formato completo
Group sweeping: Feeding activity and filtration rate in the tubiculous amphipod Haploops nirae (Kaim-Malka, 1976) ArchiMer
Rigolet, Carinne; Le Souchu, Pierrick; Caisey, Xavier; Dubois, Stanislas.
Haploops nirae is a gregarious tubiculous amphipod that uses its two pairs of antennae to filter particles from the water column. Recent sonar mappings of Haploops seabeds revealed that thousands of hectares of softbottom muddy sediments in South Brittany coastal ecosystems are now colonized by this amphipod. The present study investigates (1) the structure of the feeding organs and the mechanisms involved in particle capture, (2) the effect of environmental parameters (current velocity, turbidity and food concentration) on the feeding activity of H. nirae, quantified by the percentage of active individuals, the frequency of antennae beats and the number and duration of feeding events and (3) the retention efficiency and clearance rate of H. nirae...
Tipo: Text Palavras-chave: Amphipods; Ampeliscidae; Clearance rate; Gregarious suspension-feeders; Grazing impact; Retention efficiency; South-Brittany.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00043/15418/18268.pdf
Imagem não selecionada

Imprime registro no formato completo
Heterotrophic protists as a trophic link between picocyanobacteria and the pearl oyster Pinctada margaritifera in the Takapoto lagoon (Tuamotu Archipelago, French Polynesia) ArchiMer
Loret, Pascale; Le Gall, Solange; Dupuy, Christine; Blanchot, Jean; Pastoureaud, Annie; Delesalle, Bruno; Caisey, Xavier; Jonquieres, Gerard.
Pearl oysters are farmed in oligotrophic tropical atoll lagoons where planktonic communities are dominated by production from cyanobacteria smaller than 2 pm. Paradoxically, the pearl oyster Pinctada margaritifera only retains particles larger than 2 Pm. In this study, we assess the relative contribution of hetero/mixotrophic microbiota to the available planktonic resource. In Takapoto Atoll, picocyanobacteria are the dominant biomass (20 mug C l(-1)). The carbon biomass of ciliates and dinoflagellates ranges from 1 to 24 and 0.5 to 5 mug C l(-1) respectively, with a mean of 6 mug C l(-1) for ciliates and 2 mug C l(-1) for dinoflagellates. The possible retention by P. margaritifera on a natural protist suspension was investigated. Due to its high clearance...
Tipo: Text Palavras-chave: Trophic resource; Picoplankton; Pinctada margaritifera; Pearl oysters; Atoll lagoon; Protists.
Ano: 2000 URL: http://archimer.ifremer.fr/doc/2000/publication-823.pdf
Imagem não selecionada

Imprime registro no formato completo
Impact du sédiment sur les mortalités estivales de naissain d'huîtres creuses Crassostrea gigas en baie de Quiberon ArchiMer
Bedier, Edouard; Knoery, Joel Radford; Fleury, Pierre-gildas; Quiniou, Francoise; Langlade, Aime; Cozic, Amandine; Delesmont, Edith; Delesmont, Régis; Caisey, Xavier; Lecureuil, Laetitia.
The phenomenon of summer mortalities of the Pacific cupped oyster Crassostrea gigas is observed in France since the beginning of the 90's. These mortalities are classically associated to younger stages and summer temperatures and occur during the reproduction period of the animal. The studies undertaken during the project Morest (2001-2005), showed that a number of biological and environmental risks, the interaction of them induces lethal stresses for animals in physiological weakness, exists in summer. Among these risks, that which is withstood by the oysters bred close to the sediment proved to be significant in intertidal areas. In Quiberon bay (southern Brittany, France), the breeding practices of sowing oysters in deep water is thus likely to expose...
Tipo: Text Palavras-chave: Huître; Crassostrea gigas; Mortalité; Sédiment; Composé réduit; Flux; Sulfure; Ammonium; Oyster; Crassostrea gigas; Mortality; Sediment; Reduced compound; Flux; Sulphide; Ammonia.
Ano: 2006 URL: http://archimer.ifremer.fr/doc/00108/21956/19550.pdf
Imagem não selecionada

Imprime registro no formato completo
Investigating the relationship between embryotoxic and genotoxic effects of benzo[alpha]pyrene, 17 alpha-ethinylestradiol and endosulfan on Crassostrea gigas embryos ArchiMer
Wessel, Nathalie; Rousseau, Sabrina; Caisey, Xavier; Quiniou, Francoise; Akcha, Farida.
Genotoxicity biomarkers are widely measured in ecotoxicology as molecular toxic endpoints of major environmental pollutants. However, the long-term consequences of such damage still have to be elucidated. Some authors have suggested that the accumulation of unrepaired DNA lesions could explain the embryotoxicity of certain chemical pollutants. As embryotoxicity exerts a direct impact on the recruitment rate, genotoxicity could be closely related to disturbances of ecological concern and produce a possible impact upon population dynamics. The aim of the present work was to study the genotoxicity and the embryotoxicity of three relevant pollutants for oyster embryos: the polycyclic aromatic hydrocarbon, benzo[a]pyrene (BaP), the synthetic estrogenic...
Tipo: Text Palavras-chave: 17 alpha ethinylestradiol; BaP; Endosulfan; DNA damage; Embryotoxicity; Pacific oyster.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/publication-4058.pdf
Imagem não selecionada

Imprime registro no formato completo
Méthode de cartographie quantitative des fonds marins par vidéo. Application au suivi des semis de Placopecten magellinacus en Rade de Miquelon. ArchiMer
Lunven, Michel; Robert, Stephane; Caisey, Xavier; Rodriguez, Julien; Detcheverry, Sebastien; Gaffet, Jean-dominique; Le Gall, Erwan; Vasquez, Mickael.
Ce poster présente une méthodologie d’investigation des fonds marin par vidéo sous marine. Le système est constitué d’un bâti intégrant une caméra, un projecteur, un altimètre ainsi que des pointeurs laser. Les images vidéo des fonds marins sont retransmises et enregistrées à bord du navire sur disque dur et magnétoscope numérique DVCAM. Lors des profils vidéo, le logiciel de gestion VIDEONAV permet de constituer un fichier de navigation intégrant les positions géographiques, le code temps du magnétoscope ainsi que la surface visualisée calculée à partir de la hauteur de prise de vue par rapport au fond. En temps différé, VIDEONAV permet le rejeu de la navigation et des bandes vidéo associées dans le but de compléter ou de générer des fichiers de...
Tipo: Text
Ano: 2009 URL: http://archimer.ifremer.fr/doc/00144/25516/23656.pdf
Imagem não selecionada

Imprime registro no formato completo
Monitoring of sea scallops Placopecten magellanicus in bottom seeding trials using video in Miquelon bay, Saint Pierre et Miquelon, France ArchiMer
Robert, Stephane; Le Moine, Olivier; Lunven, Michel; Caisey, Xavier; Gaffet, Jean-dominique; Le Gall, Erwan; Vasquez, Mickael; Rodriguez, Julien; Detcheverry, Sebastien; Goulletquer, Philippe.
Placopecten magellanicus production in Saint Pierre et Miquelon (NW North Atlantic) has been developed through direct seeding of juveniles on leased areas. However, most of the culture occurs in deep water ranging from 30 to 70 meters, which requires a monitoring by video to facilitate the grow-out and survival evaluation. In August 2008, a submersible leaded structure was connected by a video cable to the surface and observation screen was defined through the video, an altimeter and two lasers. The pictures were recorded on board on hard drive and digital video recorder DVCAM, and data were georeferenced by VIDEONAV software. Analysing the video tapes allows to establish a thematic database on the ground structure, presence or absence of seeded and wild...
Tipo: Text Palavras-chave: Scallops; Placopecten magellanicus; GIS; Monitoring; Miquelon Bay.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/00134/24544/22576.pdf
Imagem não selecionada

Imprime registro no formato completo
Reconnaissance cartographique de bancs de maërl distribués sur le littoral breton ArchiMer
Hamon, Dominique; Ehrhold, Axel; Houlgatte, Eric; Kerdoncuff, Julien; Gaffet, Jean-dominique; Caisey, Xavier; Alix, Anne-sophie; Oger-jeanneret, Helene.
Poster présenté aux Journées REBENT Brest les 13 et 14/10/2011 (2ème atelier de restitution Rebent Bretagne. Dans le cadre du programme de surveillance DCE, et en lien avec le projet REBENT, il a été entrepris en 2008-2009 de cartographier et de caractériser les principaux bancs de maërl distribués dans 9 masses d'eaux autour de la Bretagne, et faisant l'objet pour la plupart d'un suivi annuel de leur biodiversité, assuré par l'IUEM (LEMAR).
Tipo: Text
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00042/15275/12631.pdf
Imagem não selecionada

Imprime registro no formato completo
Réseau de surveillance benthique – Région Bretagne. Approche sectorielle subtidale : Identification et caractérisation des habitats benthiques du secteur Quiberon ArchiMer
Ehrhold, Axel; Hamon, Dominique; Chevalier, Claire; Gaffet, Jean-dominique; Caisey, Xavier; Blanchet, Aline; Alix, Anne-sophie.
In 2000 Ifremer launched and coordinated the development of a monitoring strategy for the REBENT network (REseau BENThique) in order to assess the aftermath of the “Erika” oil spill which took place in December 1999. Its aim is to provide consistent baseline knowledge on coastal benthic habitats, as well as to develop a monitoring tool that detects changes at various spatial and temporal scales Sector-based seabed habitat mapping in shallow water (< 50 m deep), is currently being conducted throughout Brittany's coastal waters using a combination of geoacoustic marine systems together with ground-truthing using biological grab sampling and seabed observations. The study area in the bay of Quiberon is characterised by a large array of sedimentological...
Tipo: Text Palavras-chave: Rebent; Baie de Quiberon; Cartographie d’habitats; Sonar latéral; Macrofaune benthique; Peuplements; Dynamique sédimentaire; Figures sédimentaires; Rebent; Quiberon bay; Mapping; Sidescan sonar; Benthic macrofauna; Communities; Bedload transport; Bedforms.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00281/39179/37741.pdf
Registros recuperados: 25
Primeira ... 12 ... Última
 

Empresa Brasileira de Pesquisa Agropecuária - Embrapa
Todos os direitos reservados, conforme Lei n° 9.610
Política de Privacidade
Área restrita

Embrapa
Parque Estação Biológica - PqEB s/n°
Brasília, DF - Brasil - CEP 70770-901
Fone: (61) 3448-4433 - Fax: (61) 3448-4890 / 3448-4891 SAC: https://www.embrapa.br/fale-conosco

Valid HTML 4.01 Transitional