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Registros recuperados: 42
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Altimétrie par Lidar aéroporté et Modèles Numériques de Terrain ArchiMer
Populus, Jacques.
Les estrans et les zones basses et inondables attenantes ont toujours souffert d'un large désintérêt de la part des gestionnaires de l'espace. A la faveur des catastrophes répétées de ces dernières années, un regain d'intérêt s'est fait jour pour à la fois prévoir et établir des scénarii, gérer le milieu en temps de crise, voire dédommager par la suite. La connaissance fine des zones côtières, au plan patrimonial comme à celui des activités économiques, est essentielle. Des programmes se mettent en place tel le Rebent, qui vise à réaliser un inventaire renouvelable des habitats des zones découvrantes et des petits fonds. Parmi les données de base nécessaires à une telle entreprise, on trouve les donnée physiques de topographie et de géomorphologie. En zone...
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Ano: 2002 URL: http://archimer.ifremer.fr/doc/00104/21552/19131.pdf
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Application of spot data to a base-line ecological study of the mahakam delta mangroves (east kalimantan, indonesia) ArchiMer
Dutrieux, Eric; Denis, Jacques; Populus, Jacques.
The objective of this study is to explain the spatial and temporal distribution of the vegetal communities of the Mahakam delta, chiefly on the basis of its physical and chemical characteristics. The delta is at present subjected to intense oil exploitation, and it is necessary to describe the situation on the site and its natural evolution in arder to be able to evaluate the damage that accidentai oil spillage could cause. The authors provide elements to define the sensitive zones whose protection should be a matter of priority. SPOT imagery was chosen as the tool allowing such an approach on a delta measuring 1 500 km2 SPOT satellite images of the Mahakam delta show that different plant communities succeed one another bath in time and in space. The...
Tipo: Text Palavras-chave: Mangroves; Ecosystème deltaïque; Succession de communautés; Teledetection; Pollution par hydrocarbures; Mangroves; Estuarine ecosystems; Communities succession; Remote sensing; Oil pollution.
Ano: 1990 URL: http://archimer.ifremer.fr/doc/00131/24251/22244.pdf
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Assessment from space of mangroves evolution in the Mekong Delta, in relation to extensive shrimp farming ArchiMer
Tong, P. H. S; Auda, Y; Populus, Jacques; Aizpuru, M; Al Habshi, A. Al; Blasco, F.
This study is an attempt to produce an assessment of the impact of shrimp aquaculture in the Mekong Delta (Viet Nam) on mangrove ecosystems. For this exercise we selected two sub-areas (Ca Mau and Tra Vinh provinces) encompassing a variety of land uses and ecological conditions. Twenty stations in Tra Vinh and 15 stations in Ca Mau have been surveyed several times from September 2000 to March 2002. Field investigations included mangrove soils studies, measurements of pH and salinity of the water, analysis of mangrove flora, and density and structure of the vegetation. Four Systeme Probatoire de l'Observation de la Terre (SPOT) scenes were used for the discrimination of mangrove types and for the delineation of landscape units. For the first time, five...
Tipo: Text Palavras-chave: Crevette; Aquiculture; Exploitation agricole; Mangrove; Discrimination; Indice végétation; Extrême Orient; Asie; Macrura; Decapoda; Crustacea; Arthropoda; Invertebrata.
Ano: 2004 URL: https://archimer.ifremer.fr/doc/2004/publication-2303.pdf
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Assessment of tropical shrimp aquaculture impact on the environment in tropical countries, using hydrobiology, ecology and remote sensing as helping tools for diagnosis ArchiMer
Fuchs, Jacques; Martin, Jean-louis M.; Populus, Jacques.
After a period of rapid development of the sites (an increase in both reared surface area and production), tropical shrimp aquaculture is currently being faced with critical problems due to economical and ecological constraints. In many countries with favourable conditions for shrimp aquaculture such as indonesia or Vietnam, sites are often badly selected and/or over-exploited. This conducts to sorne extent to decreases or collapses in the production due to the difficulty in predicting the maximum production capacity of the sites. Furthermore, it appears that production sustainability depends on many factors among which socio-economy and ecolo gy are of prime importance. The STD3 project titled « Assessment of tropical shrimp aquaculture impact on the...
Tipo: Text Palavras-chave: Interaction aquaculture - environnement; Aquaculture crevettes; Critères écologiques et socio-économiques; Sélection de sites; Suivi du développement; Télédétection; SIG; Impact assessment; Coastal environment; Shrimp culture; Biological and socio-economic criteria; Site selection; Remote sensing; GIS.
Ano: 1998 URL: http://archimer.ifremer.fr/doc/00132/24357/22357.pdf
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Benthos distribution modelling and its relevance for marine ecosystem management ArchiMer
Reiss, Henning; Birchenough, Silvana; Borja, Angel; Buhl-mortensen, Lene; Craeymeersch, Johan; Dannheim, Jennifer; Darr, Alexander; Galparsoro, Ibon; Gogina, Mayya; Neumann, Hermann; Populus, Jacques; Rengstorf, Anna M.; Valle, Mireia; Van Hoey, Gert; Zettler, Michael L.; Degraer, Steven.
Marine benthic ecosystems are difficult to monitor and assess, which is in contrast to modern ecosystem-based management requiring detailed information at all important ecological and anthropogenic impact levels. Ecosystem management needs to ensure a sustainable exploitation of marine resources as well as the protection of sensitive habitats, taking account of potential multiple-use conflicts and impacts over large spatial scales. The urgent need for large-scale spatial data on benthic species and communities resulted in an increasing application of distribution modelling (DM). The use of DM techniques enables to employ full spatial coverage data of environmental variables to predict benthic spatial distribution patterns. Especially, statistical DMs have...
Tipo: Text Palavras-chave: Ecosystem approach; Environmental monitoring; Habitat suitability modelling; Macrofauna; Mapping; Marine spatial planning (MSP); Predictive modelling; Species distribution modelling.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00203/31405/29915.pdf
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Broad-scale mapping of seafloor habitats in the north-east Atlantic using existing environmental data ArchiMer
Vasquez, Mickael; Mata Chacon, D.; Tempera, Fernando; O'Keeffe, Eimear; Galparsoro, Ibon; Sanz Alonso, J. L.; Goncalves, Jorge M. S.; Bentes, Luis; Amorim, Patricia; Henriques, Victor; Mcgrath, Fergal; Monteiro, Pedro; Mendes, Beatriz; Freitas, Rosa; Martins, Roberto; Populus, Jacques.
If marine management policies and actions are to achieve long-term sustainable use and management of the marine environment and its resources, they need to be informed by data giving the spatial distribution of seafloor habitats over large areas. Broad-scale seafloor habitat mapping is an approach which has the benefit of producing maps covering large extents at a reasonable cost. This approach was first investigated by Roff et al. (2003), who, acknowledging that benthic communities are strongly influenced by the physical characteristics of the seafloor, proposed overlaying mapped physical variables using a Geographic Information System (GIS) to produce an integrated map of the physical characteristics of the seafloor. In Europe the method was adapted to...
Tipo: Text Palavras-chave: Habitat Mapping; EUNIS; Exposure; Biological Zones; Substrate.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00216/32744/31149.pdf
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CARHAMB’AR 2017. Cartographie des habitats marins benthiques : de l’acquisition à la restitution. 3ème édition ArchiMer
Bajjouk, Touria; Mahier, Marie; Piel, Steven; Populus, Jacques; Tourolle, Julie.
Tipo: Text
Ano: 2017 URL: https://archimer.ifremer.fr/doc/00416/52777/53656.pdf
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CARHAMB'AR. CARtographie des HAbitats Marins Benthiques : de l'Acquisition à la Restitution. 2ème édition. 26‐28 mars 2013 ArchiMer
Bajjouk, Touria; Piel, Steven; Populus, Jacques; Watremez, Pierre.
Tipo: Text
Ano: 2013 URL: https://archimer.ifremer.fr/doc/00464/57570/59758.pdf
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Cartographie des habitats physiques Eunis - Côtes de France. Convention Ifremer/AAMP n° 09/12177764/FY ArchiMer
Hamdi, Anouar; Vasquez, Mickael; Populus, Jacques.
Tipo: Text
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00026/13751/10872.pdf
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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
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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
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Classification EUNIS, Système d’information européen sur la nature : Traduction française des habitats benthiques des Régions Atlantique et Méditerranée. Vol. 1. Habitats Littoraux ArchiMer
Bajjouk, Touria; Guillaumont, Brigitte; Michez, Noemie; Thouin, Benoît; Croguennec, Chantal; Populus, Jacques; Louvel-glaser, Justine; Gaudillat, Vincent; Chevalier, Claire; Tourolle, Julie; Hamon, Dominique.
Ce document est une traduction française que l’on espère transcrire au mieux les descriptions d’habitats de la classification EUNIS. Il vient compléter la traduction en français des habitats terrestres et d’eau douce réalisée par le MNHN‐SPN (Louvel et al., 2013). Il a pour objectif de faciliter l’appropriation de cette typologie par les acteurs concernés (scientifiques, gestionnaires ou bureaux d’études) et favoriser les échanges de connaissance sur la biodiversité des habitats benthiques en cohérence avec ce standard. Il s’agit dans ce document du dictionnaire de la typologie EUNIS dans sa version 2007, revue en 2012 pour des modifications des codes de la classification paléarctique et ceux de la classification des habitats marins de la Grande Bretagne....
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Ano: 2015 URL: http://archimer.ifremer.fr/doc/00271/38222/36382.pdf
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Classification EUNIS, Système d’information européen sur la nature : Traduction française des habitats benthiques des Régions Atlantique et Méditerranée. Vol. 2. Habitats subtidaux & complexes d’habitats ArchiMer
Bajjouk, Touria; Guillaumont, Brigitte; Michez, Noemie; Thouin, Benoît; Croguennec, Chantal; Populus, Jacques; Louvel-glaser, Justine; Gaudillat, Vincent; Chevalier, Claire; Tourolle, Julie; Hamon, Dominique.
Ce document est une traduction française que l’on espère transcrire au mieux les descriptions d’habitats de la classification EUNIS. Il vient compléter la traduction en français des habitats terrestres et d’eau douce réalisée par le MNHN‐SPN (Louvel et al., 2013). Il a pour objectif de faciliter l’appropriation de cette typologie par les acteurs concernés (scientifiques, gestionnaires ou bureaux d’études) et favoriser les échanges de connaissance sur la biodiversité des habitats benthiques en cohérence avec ce standard. Il s’agit dans ce document du dictionnaire de la typologie EUNIS dans sa version 2007, revue en 2012 pour des modifications des codes de la classification paléarctique et ceux de la classification des habitats marins de la Grande Bretagne....
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Ano: 2015 URL: http://archimer.ifremer.fr/doc/00271/38223/36383.pdf
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Développement durable de l’aquaculture dans le delta du Mékong : Quelle place pour la télédétection dans le projet pluridisciplinaire GAMBAS de la Communauté Européenne ? ArchiMer
Auda, Yves; Populus, Jacques; Blasco, F.
GAMBAS est un programme de la Commission Européenne de recherche sur le développement durable de l'aquaculture dans le delta du Mékong. La pluridisciplinarité des équipes impliquées dans ce programme a permis de cerner précisément l'impact de l'aquaculture sur l'écosystème « mangrove ». Dans cette action, la télédétection a joué un rôle fédérateur des connaissances acquises au cours des quatre années de collaboration franco-vietnamienne (2001-2004). Les données botanique, d 'écologie aquatique et de socio-économie collectées dans une quarantaine de stations réparties dans deux provinces (Camau et TraVinh) sont analysées conjointement grâce au lien spatial assuré par la télédétection. Plus précisément, une zonation écologique, un indice de confinement ...,...
Tipo: Text Palavras-chave: Mangrove; Télédétection; Mékong(Vietnam).
Ano: 2007 URL: http://archimer.ifremer.fr/doc/00197/30863/29231.pdf
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Données géographiques de référence en domaine marin littoral. Groupe de travail SHOM-IFREMER ArchiMer
Allain, Serge; Guillaumont, Brigitte; Le Visage, Christophe; Loubersac, Lionel; Populus, Jacques.
Devant la demande croissante des aménageurs du territoire, des scientifiques ou des usagers travaillant en milieu littoral, le SHOM et l'IFREMER ont mis en commun au sein d'un groupe de travail les moyens qu'ils consacrent à l'identification et la définition des « données géographiques de référence » en domaine littoral. Ce travail d'analyse est conduit à travers une démarche pragmatique croisée entre une approche par thème et une approche par application. Une grille de lecture a été construite, prenant en compte un certain nombre de paramètres tels que vocabulaire, données existantes, intérêt applicatif, cohérence et forme des produits. Une liste des données de référence issue de ces analyses a été établie. Ces données sont hiérarchisées selon deux...
Tipo: Text Palavras-chave: Données de référence numériques; Base de données; Domaine littoral; Applications; SIG.
Ano: 2000 URL: http://archimer.ifremer.fr/doc/00423/53406/54282.pdf
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Emodnet Atlantic checkpoint : data adequacy to EU challenges ArchiMer
Populus, Jacques; Moussat, Eric; Blanc, Frederique; Quimbert, Erwann; Vasquez, Mickael; Meillon, Julien; Soudarin, Laurent.
After a time when observations of the sea have been made for specific purposes, e.g. for specific national purposes or to demonstrate a technological capability, the European Commission has now moved to a new paradigm where data are collected once and used them for as many purposes as possible. This means relying preferably on users rather than on producers to assess existing data sets and data sources and promote recommendations for a better satisfaction of their needs. The EMODNET Atlantic checkpoint (http://www.emodnet-atlantic.eu/) was designed to evaluate the fitness-for-use of current observations and data assembly programs towards 11 marine applications and prioritizing the needs to optimize monitoring systems at the scale of the North Atlantic Ocean.
Tipo: Text
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00461/57248/60716.pdf
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Environmental sustainability of brackishwater aquaculture in the Mekong delta, Vietnam - Gambas ArchiMer
Populus, Jacques; Raux, Pascal; Martin, Jean-louis; Auda, Yves.
This Gambas report contains two parts. The summary report (Volume 1) gives an account of the project intervention from May 2000 to December 2003, and a digest of the project's results and deliverables. The comprehensive report (Volume 2) contains the details of the scientific research and the technical results brought about by the project. Besides, a CD/ROM containing all the technical reports, publications and maps generated in the frame of Gambas is available from the coordinator.
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Ano: 2004 URL: http://archimer.ifremer.fr/doc/00083/19386/16980.pdf
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Estimation des stocks conchylicoles par télédection: résulats et perspectives ArchiMer
Deslous-paoli, Jean-marc; Populus, Jacques; L'Herroux, Michel; Brussieux, Marc.
This papers compares modern techniques of remote sensing (numerical) to more classical ones (photo-interpretation) for the assessment of the intertidal zone land use. The study is limited to homogeneous areas of off-bottom cultivation. The evaluation of the total area was made using both middle scale aerial photographs, with systematic sampling, and SPOT satellite data. These two methods do not allow to measure the off-bottom rearing design length. It is therefore necessary to get more precise information through high resolution data such as classical high scale photographs numerical scanners (MATRA) or C.C.D. cameras.
Tipo: Text Palavras-chave: Télédétection; Conchyliculture; Estimation stocks.
Ano: 1985 URL: http://archimer.ifremer.fr/doc/1985/acte-2959.pdf
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Estimation of the diffuse attenuation coefficient K-dPAR using MERIS and application to seabed habitat mapping ArchiMer
Saulquin, Bertrand; Hamdi, Anouar; Gohin, Francis; Populus, Jacques; Mangin, Antoine; D'Andon, Odile Fanton.
The availability of light in the water column and at the seabed determines the euphotic zone and constrains the type and the vertical distribution of algae species. Light attenuation is traditionally quantified as the diffuse attenuation coefficient of the downwelling spectral irradiance atwavelength 490 nm(Kd490) or the photosynthetically available radiation (KdPAR). Satellite observations provide global coverage of these parameters at high spatial and temporal resolution and several empirical and semi-analytical models are commonly used to derive Kd490 and KdPAR maps from ocean colour satellite sensors. Most of these existing empirical or semi-analytical models have been calibrated in open ocean waters and performwell in these regions, but tend to...
Tipo: Text Palavras-chave: Ocean color; Light attenuation; Photosynthetic available radiation; Euphotic depth; Seabed mapping.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00117/22831/21496.pdf
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Etude bibliographique de quelques espèces planctoniques et benthiques littorales de la Manche - Volume 1 - Espèces phytoplanctoniques ArchiMer
Erard-le Denn, Evelyne; Populus, Jacques.
This catalogue deals mainly with common phytoplanktonic species found in the Channel. It is part of a bibliographical survey on pelagos and benthos. The main idea was to gather the largest possible amount of data on the eco-physiology of each species. To do so, studies were conducted in the main marine region where the species had been found and analysed. We focused on several reference ecological studies conducted in the coastal Channel, on the E.D.F. sites, by the C.N.E.X.O., the I.S.T.P.M. and some university laboratories. A great attention was also paid to the studies on seasonal cycles carried out in laboratories in Plymouth, Helgoland and in the Irish zones. (unverified OCR)
Tipo: Text Palavras-chave: Physiology; Ecology; Bentic; Coastal species; English Channel sea; Phytoplanktonic species; Physiologie; Ecologie; Benthiques; Espèces littorales; Manche; Espèces phytoplanctoniques.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/rapport-3701.pdf
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