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Suivi stationnel de l’herbier à Zostera noltei de la masse d’eau FRFT8 Bidassoa – 2017. Bassin Hydrographique Adour-Garonne ArchiMer
Sanchez, Florence; Lissardy, Muriel; De Casamajor, Marie-noelle.
The assessment of the angiosperm quality element (Zostera noltei) for transitional water body (here, FRFT8 Bidassoa) considers the monitoring of 3 metrics: the taxinomic composition, the spatial bed extent and the abundance (percentage cover). In 2017, the angiosperm quality element for FRFT8 Bidassoa was “good” as in 2015 and 2016. This result is due to a better percentage of seagrass cover. However, the spatial extent of seagrass continuously change, with new colonized areas.
Tipo: Text Palavras-chave: Directive Cadre sur l’eau; Herbier Zostera noltei; Côte basque; Baie de Txingudi; Hendaye.; Water Framework Directive; Seagrass bed Zostera noltei; Basque coast; Txingudi Bay; Hendaye..
Ano: 2018 URL: http://archimer.ifremer.fr/doc/00428/53973/55126.pdf
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Suivi DCE 2017 « macroalgues subtidales » dans la masse d’eau « côte basque » et « macroalgues intertidales » dans la masse d’eau de transition « Adour aval ». ArchiMer
De Casamajor, Marie-noelle; Lissardy, Muriel; Sanchez, Florence; Saguet, Cassandre.
This report describe sampling campaign 2017 related to data collection for WFD macroalgae indicators. The parameters concerned are "subtidal macroalgae" for coastal water body “Basque coast” and “intertidal macroalgae” for the transition water body “Adour aval”. The data treatment and the indicator calculation will be done in a second step.
Tipo: Text Palavras-chave: Indicateur DCE; Masse d’eau; Macroalgue; Subtidal; Intertidal; Indicator WDF; Water body; Macroalgae; Subtidal; Intertidal.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00410/52177/53094.pdf
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SYNThèse et Analyse des données eXistantes sur un écosystème profond transfrontalier : le gouf de Capbreton – « SYNTAX » ArchiMer
Sanchez, Florence; Santurtun, Marina.
Le présent rapport s‘articule en trois parties : 1) La première partie concerne un travail bibliographique sur les généralités des canyons sous marins, avec une présentation du gouf de Capbreton et les limites géographiques de l‘étude ; 2) La deuxième partie présente un état des lieux des connaissances disponibles sur le secteur du gouf de Capbreton. Elle comprend : i) un volet physique qui détaille le contexte géologique et hydrodynamique du canyon ; ii) un volet biologique avec un point consacré à l‘analyse des populations des cétacés et oiseaux marins ; un autre point décrit les ressources démersales et benthiques à partir des données issues des campagnes scientifiques (Campagnes EVHOE et ITSASTEKA) avec une revue détaillée des données disponibles sur...
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Ano: 2013 URL: http://archimer.ifremer.fr/doc/00137/24787/22858.pdf
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LOUPE- Observation de l'habitat et des communautés associées dans le contexte des pêcheries du Gouf de Capbreton ArchiMer
Morandeau, Gilles; Sanchez, Florence; Caill-milly, Nathalie; Morandeau, Fabien.
Le projet LOUPE a pour objectif général d’acquérir des données complémentaires relatives aux pêcheries à partir d’observations à la mer sur des navires professionnels, avec le recueil de données spatialisées de l’effort de pêche et des captures associées (commerciales et rejets). Ces données sont complétées par un questionnaire socio-économique. Le but est de fournir des indicateurs simples prenant en considération les dimensions écologiques, économiques et sociales pour éclairer les choix des gestionnaires et favoriser la mise en œuvre et l’efficacité de la gouvernance pêche dans cet espace. Le projet propose également de mettre en œuvre un système vidéo fixe et autonome (VECOC) pour réaliser des observations vidéo sous-marines et permettre ainsi...
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Ano: 2013 URL: http://archimer.ifremer.fr/doc/00154/26568/24699.pdf
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Assessment of the impact of a wastewater treatment process including Advanced Oxidation Technique on environment using chemical and biological indicators ArchiMer
Caill-milly, Nathalie; De Casamajor, Marie-noelle; Pigot, Thierry; Paulin, Thomas; Bru, Noëlle; Sanchez, Florence; Marticorena, Julien; Lanceleur, Laurent; Gonzalez, Patrice; Daffe, Guillemine.
In a context of several directives for transitional and coastal waters masses (Water Framework Directive, Marine Strategy Framework Directive and Bathing Water Directive), the good ecological status of water but also conservation of marine ecosystem should be quickly achieved. The Basque coastline (SE of the Bay of Biscay) is subject to strong human pressures with a high density of population over the year, and especially during the summer with tourist activities. It generates nutrient discharge, water and sediment pollution and impacts the quality of the marine environment. Such pressure and the way to reduce its impacts are the main concerns of authorities Locally, in order to improve wastewater treatment process, an alternative technical solution is...
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Ano: 2015 URL: http://archimer.ifremer.fr/doc/00279/39051/37614.pdf
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Data products for fish stocks and ecosystem assessment:the PELGAS survey example ArchiMer
Doray, Mathieu; Petitgas, Pierre; Romagnan, Jean-baptiste; Huret, Martin; Duhamel, Erwan; Dupuy, Christine; Spitz, Jérôme; Berger, Laurent; Dorémus, Ghislain; Bourriau, Paul; Grellier, Patrick; Massé, Jacques; Sanchez, Florence.
The initial objective of the PELGAS integrated survey was to assess the biomass of small pelagic fish in the Bay of Biscay in spring. Sampling has been extended to study the spatial structure and dynamics of the pelagic ecosystem in springtime. The PELGAS survey has produced since 2000 long-term time-series of spatially-explicit data and indices, describing the main pelagic ecosystem components: hydrology, phytoplankton, mesozooplankton, fish and megafauna. In addition to small pelagic fish biomass estimates used for fish stock assessment, the survey now delivers two types of ecosystem products: standard gridded maps of ecosystem parameters, and a time series dataset of indicators of the Bay of Biscay pelagic ecosystem state. The evolution of the PELGAS...
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Ano: 2018 URL: http://archimer.ifremer.fr/doc/00457/56844/58693.pdf
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A restricted fishing area as a tool for fisheries management: Example of the Capbreton canyon,southern Bay of Biscay ArchiMer
Sanchez, Florence; Morandeau, Gilles; Bru, Noelle; Lissardy, Muriel.
Marine Protected Areas (MPAs) are generally considered as one of the most important tools, among the many regulations, designed to preserve marine resources as well as enhance fisheries. In the southern Bay of Biscay, local French fishermen requested creation of a restricted area to help settle disputes between the various métiers operating there. This restricted area, which lies mainly in French waters, covers part of a deep submarine canyon off the French and Spanish coasts, known to have a large population of mature hake. This study aims to better understand the effects of a restricted area upon French fleets operating there, particularly upon three main métiers – longliners, gillnetters and trawlers. The study area includes three ICES statistical...
Tipo: Text Palavras-chave: Bay of Biscay; Restricted area; Submarine canyon; Economic dependence; Metiers' dynamics.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00128/23961/22005.pdf
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Suivi DCE 2017 macroalgues intertidales pour la masse d'eau de transition FRFT07 "Adour aval" ArchiMer
De Casamajor, Marie-noelle; Sanchez, Florence; Lissardy, Muriel.
This rapport follows the results of the first year of followed, en 2017, using the data data for the following monitoring of the DCE macroalgues intertidales in the masse of water of transition «Adour aval”. The processing of these data and the result of calculation of the associated indicator indicate an ecological "good state" of the water body as it was the case during the test campaign in 2015.
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Ano: 2018 URL: https://archimer.ifremer.fr/doc/00453/56436/58123.pdf
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Optimization of a survey using spatially balanced sampling: a single-year application of clam monitoring in the Arcachon Bay (SW France) ArchiMer
Kermorvant, Claire; Caill-milly, Nathalie; D'Amico, Frank; Bru, Noelle; Sanchez, Florence; Lissardy, Muriel; Brown, Jennifer.
Bivalves are important components of benthic marine and freshwater ecosystems throughout the world. One of the most exploited bivalves used for human consumption is manila clam (Venerupis philippinarum). In Arcachon Bay (SW France), commercial fishers and scientists have developed a monitoring survey to estimate clam stocks to assist in implementing a sustainable management strategy. The survey design that is currently used is based on standard stratified random sampling (StRS). The survey has been undertaken every 2 years since 2006. Each survey costs approximately (sic) 50 000, with funding provided by similar to 20% of the commercial fishers. The survey is quite expensive, given that this resource is managed mostly at a regional level. In 2016 for...
Tipo: Text Palavras-chave: Venerupis philippinarum; Bivalve; Simulation; Survey; Arcachon Bay; GRTS.
Ano: 2017 URL: https://archimer.ifremer.fr/doc/00410/52102/52808.pdf
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Rapport de campagne HaPoGé 12-19 juillet 2017 ArchiMer
Sanchez, Florence; De Casamajor, Marie-noelle; Gillet, Hervé; Monperrus, Mathilde; Azaroff, Alyssa; Guyoneaud, Rémy.
The HaPoGé survey was planned due to a scientific opportunity tender for the HROV Ariane, it follows the test AtlantHrov campaign technique, which took place from May 26 to June 9, 2017. HaPoGé is the first scientific cruise of the HROV Ariane in Atlantic ocean, aboard a coastal vessel the “Côtes de la Manche”. It took place from July 12 to July 19, 2017. The HROV dives were located in the Capbreton canyon. This survey involved scientist from Ifremer, Bordeaux and Pau universities. It had several objectives: i) to know the morphology of rockfall and sediment areas, ii) to sample in situ the rocky outcrops and characterize the benthic communities and iii) to determine the nature, levels of concentrations and distribution of contaminants in sediments and the...
Tipo: Text Palavras-chave: HROV Ariane; Canyon de Capbreton; Navire côtier.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00428/53977/55138.pdf
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Suivi stationnel de l’herbier à Zostera noltei de la masse d’eau FRFT08 Bidassoa - 2018 - Bassin Hydrographique Adour-Garonne ArchiMer
Sanchez, Florence; Lissardy, Muriel; De Casamajor, Marie-noelle.
The assessment of the angiosperm quality element (Zostera noltei) for transitional water body (here, FRFT8 Bidassoa) considers the monitoring of 3 metrics: the taxinomic composition, the spatial bed extent and the abundance (percentage cover). In 2018, the angiosperm quality element for FRFT8 Bidassoa was “good” such as 2016 and 2017. This result is due to an increase of the spatial extent of seagrass bed compared to 2016. However, the spatial extent of seagrass continuously change, depending on climatic conditions of the year.
Tipo: Text Palavras-chave: Directive Cadre sur l’eau; Herbier Zostera noltei; Côte basque; Baie de Txingudi; Hendaye.; Water Framework Directive; Seagrass bed Zostera noltei; Basque coast; Txingudi Bay; Hendaye..
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00500/61184/64714.pdf
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Rapport du projet. Développement d'outils méthodologiques pour l'évaluation de biocénoses marines et de ressources halieutiques d'intérêt régional en vue de leur conservation ou de leur valorisation durable. DESCARTES 2 ArchiMer
Caill-milly, Nathalie; De Casamajor, Marie-noelle; Bru, Noelle; D'Amico, Franck; Lalanne, Yann; Huguenin, Laura; Kermorvant, Claire; Sanchez, Florence; Lissardy, Muriel; Abadie, Stephane; Maron, Philippe; Maillet, Grégoire; Regard, Vincent; Pigot, Thierry.
Descartes 2 propose la mise au point et l'optimisation de protocoles d'échantillonnage qualifiant les biocénoses marines et des ressources halieutiques d'intérêt régional sur deux types de milieux aquitains : la côte basque rocheuse et le bassin d'Arcachon. Tester et définir des méthodes d'échantillonnage fiables, applicables en routine et transférables, requièrent une phase de recherche impliquant des compétences en mathématiques, hydrodynamique, sciences du vivant. Le projet contribuera ainsi, par des actions scientifiques, à l'amélioration des politiques publiques pour la gestion du milieu marin, y compris sur des problématiques transfrontalières. Par ailleurs le projet Descartes 2 vise à contribuer au renforcement durable du partenariat...
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Ano: 2016 URL: http://archimer.ifremer.fr/doc/00359/47065/46968.pdf
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Suivi « hydrologie » et « phytoplancton » des masses d'eau du bassin hydrographique Adour-Garonne sur la période 2012-2017 ArchiMer
Auby, Isabelle; D'Amico, Florence; Meteigner, Claire; Rumebe, Myriam; Tournaire, Marie-pierre; Rigouin, Loic; Gouriou, Laure; Lissardy, Muriel; Sanchez, Florence; De Casamajor, Marie-noelle; Ganthy, Florian; Trut, Gilles; Trut, Florence; Caill-milly, Nathalie; Oger-jeanneret, Helene; Guesdon, Stephane; Derrien, Annick; Chabirand, Jean-michel; Genauzeau, Sylvie; Morin, Dimitri; Schmitt, Anne; Piraud, Aude; Geairon, Philippe; Grizon, James; Seugnet, Jean-luc; Thomas, Gerard; Bechemin, Christian; Bruneau, Audrey; Soudant, Dominique; Brun, Melanie; Michel, Valérie; Dupin, Michel; Bariou, Jean; Landier, Pascal; Miguel, Véronique.
Ce rapport rend compte des résultats acquis entre 2012 et 2017 sur les paramètres hydrologiques et le phytoplancton, dans le cadre des réseaux REPHY et ARCHYD (pour les points du Bassin d’Arcachon), et celui du contrôle de surveillance des masses d'eau du bassin Adour-Garonne qui ne faisaient pas l’objet de suivi avant la mise en oeuvre de la DCE. Ce document contient des résultats concernant les éléments de qualité physicochimique (oxygène dissous pour les deux types de masses d’eau, azote inorganique dissous pour les masses d’eau côtières et les masses d’eau de transition peu turbides, température et transparence pour les masses d’eau côtières exclusivement) selon des méthodes présentées dans l’annexe 1 de ce rapport. Sont également incluses dans ce...
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Ano: 2018 URL: https://archimer.ifremer.fr/doc/00463/57484/59622.pdf
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Direct assessment of small pelagic fish by the PELGAS16 acoustic survey ArchiMer
Duhamel, Erwan; Doray, Mathieu; Huret, Martin; Sanchez, Florence; Lespagnol, Patrick; Doremus, Ghislain; Lemerre, Charlotte.
The Pelgas16 acoustic survey has been carried out with very good weather conditions (regular low wind, medium temperatures) for the whole area, from the South of the bay of Biscay to the west of Brittany. The help of commercial vessels (two pairs of pelagic trawlers and a single one) during 18 days provided about 120 valid identification hauls instead of about 60 before 2007 when Thalassa was alone to identify echotraces. Their participation increased the precision of identification of echoes and some double hauls permitted to confirm that results provided by the two types of vessels (R/V and Fishing boats) were comparable and usable for biomass estimate purposes. These commercial vessels participated to the PELGAS survey in a very good spirit of...
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Ano: 2016 URL: http://archimer.ifremer.fr/doc/00344/45546/45157.pdf
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Suivi DCE du paramètre "macroalgue intertidale". FRFC11 "Côte basque" - année 2015 ArchiMer
De Casamajor, Marie-noelle; Lissardy, Muriel; Sanchez, Florence.
Under the WFD monitoring, the intertidal macroalga parameter of the water body FRFC11 « coast Basque », two stations were sampled in 2015 from the appropriate protocol for this water body. The average of the two stations takes the water body in « Good ». Both stations get very similar results but are not classified in the same category: « Good » . The abundance of opportunistic species is the worst notation. The comparison with results for subtidal macroalgae is consistent. Also, for intertidal macroalgae on Spanich Basque waterbodies results are very similar.
Tipo: Text Palavras-chave: Indicateur DCE; Masse d’eau côte basque; Macroalgue intertidal; Indicator WFD; Water body; Basque coast; Macroalgue; Intertidal.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00311/42192/41492.pdf
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Avis de l’Ifremer sur la réalisation d’une passerelle entre l’extrémité du port de Caneta et la place Gaztelu Zahar en rive droite de la Baie de Txingudy ArchiMer
De Casamajor, Marie-noelle; Sanchez, Florence; Auby, Isabelle; Ganthy, Florian; Antajan, Elvire.
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Ano: 2019 URL: https://archimer.ifremer.fr/doc/00593/70505/79251.pdf
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DCE-Benthos - Macroalgues Fixées, Sous-éléments de qualité "Macroalgues Subtidales (et faune associée)" et "Macroalgues Intertidales", Surveillance des MEC et MET du bassin Adour-Garonne, Année 2017 ArchiMer
Derrien-courtel, Sandrine; Aubert, Fabien; Breret, Martine; De Casamajor, Marie-noelle; Lissardy, Muriel; Nussbaumer, Marielle; Sanchez, Florence; Sauriau, Pierre-guy.
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Ano: 2019 URL: https://archimer.ifremer.fr/doc/00514/62585/66934.pdf
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Les ressources exploitées par la pêche et la conchyliculture ArchiMer
Caill-milly, Nathalie; Morandeau, Gilles; Castege, Iker; Sanchez, Florence; Lissardy, Muriel; Chust, Guillem; Borja, Angel; Auby, Isabelle; Lapegue, Sylvie; Prou, Jean; Oger-jeanneret, Helene; Lassalle, Géraldine; Prevost, Etienne; Buoro, Mathieu; Lobry, Jérémy; De Pontual, Helene; De Casamajor, Marie-noelle; Biais, Gerard; D'Elbee, Jean.
L'exploitation des ressources par la pêche professionnelle et par la conchyliculture repose sur des ressources vivantes sauvages ou domestiquées qui sont présentes dans différents milieux aquatiques depuis les rivières jusqu'au large en mer. L'état de ces populations dépend non seulement des choix d'exploitation au regard des capacités de renouvellement des stocks mais aussi des caractéristiques environnementales qui impactent les différentes phases des cycles biologiques des espèces et jouent donc sur leur bon déroulement. Ces conditions du milieu sont tributaires pour partie des activités anthropiques (qualité et quantité d'eau disponible, obstacles au franchissement, autres perturbations) et peuvent être soumises aux effets du changement climatique. Ce...
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Ano: 2018 URL: http://archimer.ifremer.fr/doc/00444/55568/57180.pdf
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Ecological Role of Submarine Canyons and Need for Canyon Conservation: A Review ArchiMer
Fernandez-arcaya, Ulla; Ramirez-llodra, Eva; Aguzzi, Jacopo; Allcock, A. Louise; Davies, Jaime S.; Dissanayake, Awantha; Harris, Peter; Howell, Kerry; Huvenne, Veerle A.i.; Macmillan-lawler, Miles; Martín, Jacobo; Menot, Lenaick; Nizinski, Martha; Puig, Pere; Rowden, Ashley A.; Sanchez, Florence; Van Den Beld, Inge.
Submarine canyons are major geomorphic features of continental margins around the world. Several recent multidisciplinary projects focused on the study of canyons have considerably increased our understanding of their ecological role, the goods, and services they provide to human populations, and the impacts that human activities have on their overall ecological condition. Pressures from human activities include fishing, dumping of land-based mine tailings, and oil and gas extraction. Moreover, hydrodynamic processes of canyons enhance the down-canyon transport of litter. The effects of climate change may modify the intensity of currents. This potential hydrographic change is predicted to impact the structure and functioning of canyon communities as well...
Tipo: Text Palavras-chave: Submarine canyons; Ecosystem service; Anthropogenic impacts; Conservation; Management.
Ano: 2017 URL: https://archimer.ifremer.fr/doc/00369/48059/48147.pdf
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Direct assessment of small pelagic fish by the PELGAS18 acoustic survey ArchiMer
Duhamel, Erwan; Doray, Mathieu; Huret, Martin; Sanchez, Florence; Marie-lepoittevin, Theodore; Peltier, Hélène; Autthier, Matthieu.
An acoustic survey (PELGAS) is carried out every year in the Bay of Biscay in spring onboard the French research vessel Thalassa. The objective of PELGAS survey is to study the abundance and distribution of pelagic fish in the Bay of Biscay. The main target species are anchovy and sardine but they are considered in a multi-specific context and within an ecosystemic approach as they are located in the centre of pelagic ecosystem.
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Ano: 2018 URL: https://archimer.ifremer.fr/doc/00465/57653/59845.pdf
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