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Registros recuperados: 11
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Acquisition de données complémentaires aux dénombrements, avec les techniques de cytométrie en flux, fluorescence totale ou spectrale. Etat d’avancement et premiers résultats. Action Indice Composition. Livrable n° A III. Rapport final, 23 septembre 2014 ArchiMer
Artigas, Luis Felipe; Didry, Morgane; Barthelemy, Vanille; Bonato, Simon; Broutin, Mathias; Lizon, Fabrice; Lefebvre, Alain.
The European Union Water Framework Directive (WFD) refers to phytoplankton as one of the biological quality elements that should be regularly monitored and evaluated thanks to three ecological indices: biomass, abundance and composition. The first two have already been defined, but the third one has not yet been proposed in the English Channel-Atlantic zone. The construction of a composition indice must consider the diversity of all the phytoplankton. As the microscopic counts concern only the micro-phytoplankton, it is necessary to use additional information which concerns the nano- and pico-phytoplankton, of great importance when estimating the phytoplankton diversity. These components of the phytoplankton can be measured by different complementary...
Tipo: Text Palavras-chave: Manche Orientale; Groupes phytoplanctoniques; Cytométrie en Flux de type Scanning; Fluorimétrie spectrale; Analyses pigmentaires; Eastern English Channel; Phytoplankton groups; Scanning Flow Cytometry; Spectral fluorescence; Pigments analysis.
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00361/47259/47224.pdf
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Comparaison des résultats obtenus avec différentes techniques d’évaluation du phytoplancton antérieurement à 2013. Action 3. Indice Composition. Livrable n° A II. Rapport final, 13 novembre 2014. ArchiMer
Artigas, Luis Felipe; Didry, Morgane; Lampert, Luis; Broutin, Mathias; Bonato, Simon; Lizon, Fabrice; Lefebvre, Alain.
L'élément de qualité phytoplancton doit être évalué dans le cadre de la Directive Cadre sur L’Eau grâce à trois indices : biomasse, abondance et composition. Les deux premiers indices, biomasse et abondance, ont déjà été définis. L’indice composition a quant à lui fait l'objet d'une proposition précise en Méditerranée, mais pas en Manche - Atlantique. Les travaux antérieurs montrent que la construction d'un indice de composition doit tenir compte de la diversité de l'ensemble du phytoplancton. Or, les comptages microscopiques ne concernent en général que le micro-phytoplancton. Il est donc nécessaire de prendre en compte des informations supplémentaires qui tiennent compte du nano- et du picophytoplancton, dont l'importance dans la diversité du...
Tipo: Text Palavras-chave: Manche Orientale; Groupes phytoplanctoniques; Cytométrie en Flux de type Scanning; Fluorimétrie spectrale; Analyse CHEMTAX; Projet DYMAPHY.
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00361/47258/47223.pdf
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Impact d’une obligation de débarquement sur les dynamiques couplées écosystème-pêcheurs : approche par modélisation individu-centrée appliquée à la Manche orientale ArchiMer
Bourdaud, Pierre.
The objective of this thesis was to anticipate the effects if the EU Landing Obligation (LO) implemented since the beginning of 2015 in the Eastern English Channel (EEC). To achieve these objectives, it was planned to: i) better understand seasonal spatial distribution of commercial species using on-board commercial vessels observation data, ii) compare them with the fine scale fishing effort distribution of EEC bottom otter trawlers (OTB), and iii) develop an individual-based model of fleet-dynamics, DSVM, to be integrated within the ecosystem model OSMOSE to simulate a LO. The usefulness of on-board observation data was proved for a main part of a species sample, using validation from the literature and a geostatistical indicator. Then the comparison of...
Tipo: Text Palavras-chave: Distribution spatiale; Saisonnalité; Données commerciales; Données de campagnes scientifiques; Manche Orientale; Effort de pêche; Assemblages d’espèces cibles; Obligation de débarquement; Modèle individu-centré; Dynamiques des flottilles; Spatial distribution; Seasonality; Commercial data; Survey data; Eastern English Channel; Fishing effort; Target species assemblages; Landing obligation; Individual-based model; Fleet dynamics.
Ano: 2018 URL: http://archimer.ifremer.fr/doc/00440/55135/56603.pdf
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Les pêches artisanales de la Manche Orientale. Flottilles et ressources halieutiques ArchiMer
Lemoine, Michel; Giret, Marc.
From Normandy to Belgium bordary, the coastal fishery became during the ten last years a significant social and economic actor, which mostly lives by predominant exploitation of Eastern Channel. Recently discovering a situation of resource overexploitation and a difficult cohabitation between "metiers", these coastal fleets are in the heart of various preoccupations of managment at regional, national and european levels. Since 1985, a coordinated programme (including Boulogne and Ouistreham) allowed to progress in the knowledge of complex fisheries through : improvement of statistics, characterisation of coastal fleets and their activity, asses-ment of the knowledge on the resources.This synthesis describes, for 1987-1988, the quality of the regional...
Tipo: Text Palavras-chave: Ressource halieutique; Manche Orientale; Flottille; Pêche artisanale; Eastern English Channel; Fleet; Artisanal fishing.
Ano: 1991 URL: https://archimer.ifremer.fr/doc/1991/rapport-1664.pdf
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Premières propositions pour un indice de composition du phytoplancton, basé sur les résultats de cytométrie en flux. Action 3 - Indice Composition - Livrable 2. Rapport final, mars 2016 ArchiMer
Artigas, Luis Felipe; Didry, Morgane; Prevost, Emilie; Bonato, Simon; Lefebvre, Alain.
The European Union Water Framework Directive (WFD) refers to phytoplankton as one of the biological quality elements that should be regularly monitored and evaluated thanks to three ecological indices: biomass, abundance and composition. The first two have already been defined, but the third one has not yet been proposed in the English Channel - Atlantic zone. The construction of a composition index must consider the diversity of all the phytoplankton organisms. As the microscopic counts concern only the micro-phytoplankton, it is necessary to use additional information which concerns the nano- and pico-phytoplankton, of great importance in the phytoplankton diversity. These components of the phytoplankton can be measured by different complementary...
Tipo: Text Palavras-chave: Manche Orientale; Groupes phytoplanctoniques; Indice de composition; Cytométrie en Flux de type Scanning; Eastern English Channel; Phytoplankton groups; Scanning Flow Cytometry Phytoplankton composition index index.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00361/47264/47229.pdf
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Résultats de la mise en oeuvre des réseaux REPHY et SRN - Zone côtières de la Manche orientale et de la baie sud de la Mer du Nord - Bilan de l'année 2014 ArchiMer
Lefebvre, Alain; Flesch, Morgane.
The coastal zone of the Nord – Pas de Calais / Picardie showed dysfonctioning patterns of the ecosystem considered to be link to human activities along shores. These results in regular massive development of species, such as the phytoplanktonic seaweed, Phaeocystis sp. which life cycle was partly linked to nutrients availability and consequently to anthropogenic inputs. As part of the evaluation of the influence of continental inputs on the marine environment (nitrates, phosphates,…) and on potential eutrophication processes, of the estimation of the efficiency of the sewage treatments plants in the possible elimination of dumpings and in order to establish a long-term survey to follow up the change in coastal waters quality, the regional nutrients...
Tipo: Text Palavras-chave: Manche Orientale; Baie sud de la Mer du Nord; Hydrologie; Phytoplancton; Phaeocystis globosa; Eastern English Channel; Hydrology; Phytoplankton; Phaeocystis globosa; Southern bight of the North Sea.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00280/39133/37687.pdf
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Résultats de la mise en oeuvre des réseaux REPHY et SRN – Zones côtières de la Manche orientale et de la baie sud de la Mer du Nord – Bilan de l’année 2015 ArchiMer
Lefebvre, Alain; Perrouchet, Wendy.
The coastal zone of the Nord – Pas de Calais / Picardie showed dysfonctioning patterns of the ecosystem considered to be link to human activities along shores. These results in regular massive development of species, such as the phytoplanktonic seaweed, Phaeocystis sp. which life cycle was partly linked to nutrients availability and consequently to anthropogenic inputs. As part of the evaluation of the influence of continental inputs on the marine environment (nitrates, phosphates,…) and on potential eutrophication processes, of the estimation of the efficiency of the sewage treatments plants in the possible elimination of dumpings and in order to establish a long-term survey to follow up the change in coastal waters quality, the regional nutrients...
Tipo: Text Palavras-chave: Manche Orientale; Baie sud de la Mer du Nord; Hydrologie; Phytoplancton; Phaeocystis globosa; Eastern English Channel – southern bight of the North Sea; Hydrology; Phytoplankton; Phaeocystis globosa.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00341/45246/44683.pdf
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Résultats de la mise en oeuvre des réseaux REPHY et SRN – Zones côtières de la Manche orientale et de la baie sud de la Mer du Nord – Bilan de l’année 2016. ArchiMer
Lefebvre, Alain; Ambiaud, Antonin.
The coastal zone of the Nord – Pas de Calais / Picardie showed dysfonctioning patterns of the ecosystem considered to be link to human activities along shores. These results in regular massive development of species, such as the phytoplanktonic seaweed, Phaeocystis sp. which life cycle was partly linked to nutrients availability and consequently to anthropogenic inputs. As part of the evaluation of the influence of continental inputs on the marine environment (nitrates, phosphates,…) and on potential eutrophication processes, of the estimation of the efficiency of the sewage treatments plants in the possible elimination of dumpings and in order to establish a long-term survey to follow up the change in coastal waters quality, the regional nutrients...
Tipo: Text Palavras-chave: Manche Orientale; Baie sud de la Mer du Nord; Hydrologie; Phytoplancton; Phaeocystis globosa; Eastern English Channel – southern bight of the North Sea; Hydrology; Phytoplankton; Phaeocystis globosa.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00396/50746/51459.pdf
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Résultats de la mise en oeuvre des réseaux REPHY et SRN. Zones côtières de la Manche orientale et de la baie sud de la Mer du Nord. Bilan de l'année 2018 ArchiMer
Clabaut, Thomas; Devreker, David; Lefebvre, Alain.
The coastal zone of the Nord – Pas-de-Calais / Picardie showed dysfonctioning patterns of the ecosystem considered to be link to human activities along shores. These results in regular massive development of species, such as the phytoplanktonic seaweed, Phaeocystis sp. which life cycle was partly linked to nutrients availability and consequently to anthropogenic inputs. As part of the evaluation of the influence of continental inputs on the marine environment (nitrates, phosphates,…) and on potential eutrophication processes, of the estimation of the efficiency of the sewage treatments plants in the possible elimination of dumpings and in order to establish a long-term survey to follow up the change in coastal waters quality, the regional nutrients...
Tipo: Text Palavras-chave: Manche Orientale; Baie sud de la Mer du Nord; Hydrologie; Phytoplancton; Phaeocystis globosa; Eastern English Channel; Hydrology; Phytoplankton; Phaeocystis globosa; Southern bight of the North Sea.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00506/61790/65793.pdf
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Résultats de la mise en oeuvre des réseaux REPHY (Réseau Phytoplancton et Phycotoxines) et SRN (Suivi Régional des Nutriments). Zones côtières de la Manche orientale et de la baie sud de la Mer du Nord. Bilan de l'année 2017 ArchiMer
Lefebvre, Alain; Dussuel, Antoine.
The coastal zone of the Nord – Pas de Calais / Picardie showed dysfonctioning patterns of the ecosystem considered to be link to human activities along shores. These results in regular massive development of species, such as the phytoplanktonic seaweed, Phaeocystis sp. which life cycle was partly linked to nutrients availability and consequently to anthropogenic inputs. As part of the evaluation of the influence of continental inputs on the marine environment (nitrates, phosphates,…) and on potential eutrophication processes, of the estimation of the efficiency of the sewage treatments plants in the possible elimination of dumpings and in order to establish a long-term survey to follow up the change in coastal waters quality, the regional nutrients...
Tipo: Text Palavras-chave: Manche Orientale; Baie sud de la Mer du Nord; Hydrologie; Phytoplancton; Phaeocystis globosa; Eastern English Channel; Hydrology; Phytoplankton; Phaeocystis globosa; Southern bight of the North Sea.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00448/55949/57429.pdf
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Suivi régional des nutriments sur le littoral Nord - Pas de Calais / Picardie. Bilan de l'année 2012 ArchiMer
Nzigou, Aime Roger; Lefebvre, Alain.
The coastal zone of the Nord – Pas de Calais / Picardie showed dysfonctioning patterns of the ecosystem considered to be link to human activities along shores. These results in regular massive development of species, such as the phytoplanktonic seaweed, Phaeocystis sp. which life cycle was partly linked to nutrients availability and consequently to anthropogenic inputs. As part of the evaluation of the influence of continental inputs on the marine environment (nitrates, phosphates,…) and on potential eutrophication processes, of the estimation of the efficiency of the sewage treatments plants in the possible elimination of dumpings and in order to establish a long-term survey to follow up the change in coastal waters quality, the regional nutrients...
Tipo: Text Palavras-chave: Qualité des eaux littorales; Surveillance; Phaeocystis globosa; Manche Orientale; Coastal waters Quality; Monitoring; Phaeocystis globosa; –Eastern English Channel.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00153/26423/24526.pdf
Registros recuperados: 11
Primeira ... 1 ... Última
 

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