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| Registros recuperados: 71 | |
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| Loubersac, Lionel; Maraux,; Lemsanni, Abdellah; Fiandrino, Annie; Jouan, Mathieu; Tellier,; Denis, Jacques. |
| NAMIBIE (a french acronym for Integrated Multimedia Navigator Within Coastal Environment Data Bases) is a specific tool which first concept has been established by Ifremer and has been developped by an association between research in the field of coastal environment, innovation in the field of new information and communication technologies and services in the field of coastal integrated management and impact studies. The objectives of this tool are to facilitate research, direct access and display of relevant multimedia coastal integrated data and information according to an interactive, widely opened and playfull interface. The principles are based upon the fact that sustainable decision making needs an optimized unterstanding of coastal processes and... |
| Tipo: Text |
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| Ano: 2004 |
URL: http://archimer.ifremer.fr/doc/00089/20055/17696.pdf |
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| Pete, Romain; Guyondet, Thomas; Bec, Beatrice; Derolez, Valerie; Cesmat, Ludovic; Lagarde, Franck; Pouvreau, Stephane; Fiandrino, Annie; Richard, Marion. |
| The decrease of microbial and nutrient inputs from the watershed has long dominated lagoon ecosystem management objectives. Phytoplankton biomass and abundance have drastically decreased for more than a decade and Zostera meadow have gradually recovered, expressing lagoon ecosystem restoration such as Thau lagoon. Do the progressive achievement of the good ecological status of the Thau lagoon possibly threatens the shellfish industry in terms of production and oyster quality, by reducing the carrying capacity? To provide answers about the right balance to be achieved between conservation and exploitation, a new numerical tool was developed to help in decision-making. We hereby propose to incorporate a Dynamic Energy Budget type shellfish production model... |
| Tipo: Text |
Palavras-chave: Shellfish farming; Carrying capacity; Stakeholder implication; Nitrogen and phosphorus inputs; Water frame directive; Ecological indicators; Phytoplankton depletion; Coupled biogeochemical-deb model. |
| Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00622/73395/75312.pdf |
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| Dufresne, Christiane; Malet, Nathalie; Coudray, Sylvain; Fiandrino, Annie. |
| Le projet Interreg Retralags vise une gestion durable du patrimoine des lagunes, des lacs et des étangs et est développée afin de protéger et de valoriser le patrimoine écosystémique. Cette gestion intégrée s’appuie notamment sur des modèles de gestion des zones humides, qui permettent d’une part d’améliorer notre compréhension de leur fonctionnement et d’autre part, de tester des hypothèses par la simulation de scénarii. Les deux actions IFREMER sont : - La mise en place du modèle hydrodynamique de la lagune de Biguglia, développement d’indicateur hydrologiques opérationnels et test de scenarii hydrologiques et climatiques - La mise en place du modèle écosystémique sur la lagune de Biguglia, développement d’indicateur écologiques opérationnels et test de... |
| Tipo: Text |
Palavras-chave: Modèle hydrodynamique; MARS3D; Lagune; Biguglia. |
| Ano: 2017 |
URL: http://archimer.ifremer.fr/doc/00433/54453/55824.pdf |
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| Derolez, Valerie; Leurion, Axel; Fiandrino, Annie. |
| In the context of the update of the inventory of water bodies of the Rhone-Mediterranean and Corsican (RM & C) basin, an assessment of pressures and impacts on the lagoons is expected during the second water management plan (2010-2015) of the Water Framework Directive (WFD). Pressures due to pollutant inputs may have a varying impact on lagoons, according to their degree of interaction with the sea. The more exchanges with the sea will be high, the more export opportunities and dilution of pollutants will be high. The more exchanges will be limited, the more pollutants will accumulate in the lagoons, making then more vulnerable to inputs. The objective of this work is to propose, for the 28 lagoons (21 transition water bodies) of RM & C Basin, an... |
| Tipo: Text |
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| Ano: 2012 |
URL: http://archimer.ifremer.fr/doc/00094/20558/18231.pdf |
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| Lagarde, Franck; Roque D'Orbcastel, Emmanuelle; Ubertini, Martin; Mortreux, Serge; Bernard, Ismael; Fiandrino, Annie; Chiantella, Claude; Bec, Beatrice; Roques, Cecile; Bonnet, Delphine; Miron, Gilles; Richard, Marion; Pouvreau, Stephane; Lett, Christophe. |
| In the context of increasing demand for environmental recovery, aquatic systems may face the challenge of evolving under oligotrophication. This is the case in Mediterranean lagoons, in particular the shellfish-farmed Thau lagoon in France, where we studied recruitment of the Pacific oyster Crassostrea gigas. Oyster spat and environmental parameters were monitored at several sampling sites for 3 yr (2012 to 2014) using an original method with a temporal overlap deployment of collectors to study pre- and post-settlement processes and to identify the best conditions for recruitment. Contrary to the ‘no Pacific oyster reproduction’ paradigm in Mediterranean lagoons, our study showed that recruitment of this introduced species is possible in the Thau lagoon at... |
| Tipo: Text |
Palavras-chave: Crassostrea gigas; Oyster spat; Pediveliger; Metamorphosis; Recruitment; Oligo trophication; Larval ecology. |
| Ano: 2017 |
URL: https://archimer.ifremer.fr/doc/00398/50899/51672.pdf |
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| Chapelle, Annie; Bacher, Cedric; Duarte, P; Fiandrino, Annie; Galbiati, L; Marinov, D; Martinez, J; Norro, A; Pereira, A; Plus, Martin; Rodriguez, S; Tsirtsis, G; Zaldivar, Jm. |
| Tipo: Text |
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| Ano: 2005 |
URL: http://archimer.ifremer.fr/doc/00348/45930/45622.pdf |
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| Ubertini, Martin; Lagarde, Franck; Le Gall, Patrik; Mortreux, Serge; Pernet, Fabrice; Fiandrino, Annie; Pouvreau, Stephane; Roque D'Orbcastel, Emmanuelle. |
| The aquaculture of the oyster Crassostrea gigas is largely based on natural recruitment of the species on spat collectors along the french Atlantic coast, the remaining spat being provided by hatcheries and nurseries. Due to an increase in the climate/meteorological variability, during the last twenty years, the natural spat collection has become variable, from null to overabundant depending on the year. Since 2008, the oyster spat mortalities worsen the situation, reducing the available spat and increasing the cost of the latter. However, the temporal variability of the natural recruitment modalities in the Mediterranean do not allow the aquaculture industry to rely on native spats, making the understanding of natural recruitment in the Mediterranean a... |
| Tipo: Text |
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| Ano: 2014 |
URL: http://archimer.ifremer.fr/doc/00248/35894/34422.pdf |
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| Derolez, Valerie; Oheix, Jocelyne; Ouisse, Vincent; Munaron, Dominique; Fiandrino, Annie; Messiaen, Gregory; Hubert, Clarisse; Lamoureux, Alice; Malet, Nathalie; Fortune, Martine; Berard, Lucas; Mortreux, Serge; Guillou, Jean-louis. |
| Le Réseau de Suivi Lagunaire (RSL), qui permettait d’évaluer l’état vis-à-vis de l’eutrophisation des lagunes du Languedoc-Roussillon, a pris fin en 2013. Une campagne DCE d’évaluation de l’état des masses d’eau côtières et de transition de la façade méditerranéenne est programmée en 2015. Ce rapport rend compte des suivis réalisés par Ifremer en 2014 sur 22 masses d’eau lagunaires du bassin Rhône-Méditerranée et Corse (financement AERMC). Un diagnostic de l’état des masses d’eau, intégrant l’état physico-chimique de la colonne d’eau et l’état du phytoplancton est établi pour les 22 masses d’eau (dont 4 oligo-mésohalines), à partir des données acquises sur la période 2009-2014, selon les critères et les grilles DCE. Trois masses d’eau (Thau,... |
| Tipo: Text |
Palavras-chave: Directive Cadre sur l’Eau (DCE); Lagunes; Masses d’eau de transition; Phytoplancton; Macrophytes; Sédiments.. |
| Ano: 2015 |
URL: http://archimer.ifremer.fr/doc/00273/38461/36864.pdf |
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| Mongruel, Remi; Vanhoutte-brunier, Alice; Fiandrino, Annie; Valette, Francois; Balle-beganton, Johanna; Perez Agundez, José A.; Gallai, Nicola; Derolez, Valerie; Roussel, Sebastien; Lample, Michel; Laugier, Thierry. |
| This paper describes the building of an integrated simulation tool based on a systems approach, and its contribution to local political discussion of the mitigation of microbiological contamination of the water in a coastal area. Local management schemes view water quality as a high-priority environmental objective. In practice, how far this objective is achieved depends on trade-offs between the costs of improved water treatment facilities and the acceptable impacts of water contamination. An in-the-field experiment in collaboration with local managers was carried out in the Thau lagoon on the French Mediterranean coast during the SPICOSA (Science and Policy Integration for Coastal System Assessment) project, from 2007 through 2011. It consisted of... |
| Tipo: Text |
Palavras-chave: Systems modeling; Integrated assessment; Microbiological contamination; Technical options; Strategic planning. |
| Ano: 2013 |
URL: http://archimer.ifremer.fr/doc/00136/24775/22959.pdf |
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| Serais, Ophelie; Cimiterra, Nicolas; Fiandrino, Annie; Crottier, Anais; Grouhel-pellouin, Anne; Piquet, Jean-come. |
| Après un rappel des objectifs, du fonctionnement et de la méthode d’interprétation des résultats du réseau de contrôle microbiologique (REMI) et du réseau de surveillance chimique (ROCCH), ce rapport comprend un bilan national et décrit le programme annuel 2018 de la région Occitanie. Il présente l’ensemble des résultats obtenus, en particulier l’estimation de la qualité microbiologique et chimique des zones de production de coquillages classées. En 2018, 28 zones de production ont été suivies par le REMI en Occitanie dont 12 dans l’Aude, 14 dans l’Hérault, 1 dans le Gard et 1 interdépartementale Hérault-Gard. Le taux de réalisation de la surveillance régulière microbiologique est de 94,9%, et 116 alertes ont été déclenchées au cours de l’année. La qualité... |
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Palavras-chave: REMI; E. Coli; Contamination bactériologique des coquillages; ROCCH; Contaminants chimiques; Milieu marin; Occitanie; Hérault; Gard; Aude; Classement sanitaire des zones de production; Estimation de la qualité; Élevage et pêche de coquillages.. |
| Ano: 2019 |
URL: https://archimer.ifremer.fr/doc/00502/61320/64892.pdf |
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| Dueri, Sibylle; Marinov, Dimitar; Fiandrino, Annie; Tronczynski, Jacek; Zaldivar, Jose-manuel. |
| A 3D hydrodynamic and contaminant fate model was implemented for polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) in Thau lagoon. The hydrodynamic model was tested against temperature and salinity measurements, while the contaminant fate model was assessed against available data collected at different stations inside the lagoon. The model results allow an assessment of the spatial and temporal variability of the distribution of contaminants in the lagoon, the seasonality of loads and the role of atmospheric deposition for the input of PCDD/Fs. The outcome suggests that air is an important source of PCDD/Fs for this ecosystem, therefore the monitoring of air pollution is very appropriate for assessing the inputs of these contaminants. These... |
| Tipo: Text |
Palavras-chave: PCDD/F; Thau lagoon; POPs; Fate model; Hydrodynamic model. |
| Ano: 2010 |
URL: https://archimer.ifremer.fr/doc/00003/11441/7995.pdf |
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| Malet, Nathalie; Derolez, Valerie; Laugier, Thierry; Munaron, Dominique; Fiandrino, Annie; Messiaen, Gregory; Fortune, Martine; Souchu, Philippe; Barral, Marc; Daloz, Aurélien; Moragues, Laurent. |
| Since recent decades, nutrient-related eutrophication, originating from agricultural use of fertilizer and population enhancement, can be considered worldwide as the main disturbance for coastal lagoons. Since coastal lagoons are very shallow and enclosed, their functioning is tightly linked to meteorological conditions. The aim of this study is to compare different rainfall levels and eutrophication response on coastal lagoons of the Languedoc-Roussillon (Western Mediterranean coast), subject to different nutrient loads from their watershed, in order to check the possibility to distinguish the effects of watershed management or rainfall conditions on water quality (waste water treatment plant improvement, decrease of fertilizer spreading). |
| Tipo: Text |
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| Ano: 2009 |
URL: http://archimer.ifremer.fr/doc/00008/11945/8651.pdf |
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| Le Saux, Jean-claude; Serais, Ophelie; Krol, Joanna; Parnaudeau, Sylvain; Salvagnac, P.; Delmas, G.; Cicchelero, V.; Claudet, J.; Pothier, P.; Balay, K.; Fiandrino, Annie; Pommepuy, Monique; Le Guyader, Soizick. |
| Infectious diseases linked to the consumption of raw shellfish have long been identified. Over the past century, various strategies have been set up in shellfish growing areas throughout the world to guarantee the sanitary quality of shellfish and to protect consumers. However despite sanitary improvements, human enteric viruses - especially Hepatitis A virus and norovirus– have been found to be associated with shellfish outbreaks. A recent example demonstrated the impact of storm events. Following heavy rain and sewage overflow, shellfish beds were contaminated and the shellfish from them were marketed after depuration. However, since viruses persist longer than fecal contamination indicator bacteria, several clusters of gastroenteritis cases were... |
| Tipo: Text |
Palavras-chave: Virus; Shellfish; Contamination events. |
| Ano: 2009 |
URL: http://archimer.ifremer.fr/doc/00066/17736/15257.pdf |
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| Derolez, Valerie; Bec, Béatrice; Munaron, Dominique; Foucault, Elodie; Fiandrino, Annie; Ouisse, Vincent; Messiaen, Gregory; Hatey, Elise; Connes, Coralie; Soudant, Dominique; Brun, Melanie; Fortune, Martine; Mortreux, Serge; Serais, Ophelie; Crottier, Anais; Malet, Nathalie. |
| Cette étude est réalisée dans le cadre du projet OBSLAG (OBServatoire des LAGunes) et porte sur les 10 masses d’eau lagunaires méditerranéennes situées à l’aval des cours d’eau suivis depuis 2015 par le « réseau flux » de l'Agence de l’Eau Rhône Méditerranée Corse. Le rapport correspond aux actions réalisées en 2018 dans le cadre du volet « eutrophisation » d’OBSLAG, répondant aux objectifs suivants : (1) réaliser un suivi estival en 2018 du phytoplancton et de la physico-chimie de l’eau et évaluer l’état DCE de ces compartiments pour la période 2013-2018 sur les 10 masses d’eau lagunaires du suivi « réseau flux », regroupant 13 lagunes poly-euhalines. Ce suivi permet de renforcer la fréquence des suivis DCE sur la colonne d’eau et le phytoplancton, qui ne... |
| Tipo: Text |
Palavras-chave: Directive Cadre sur l’Eau (DCE); Lagunes; Masses d’eau de transition; Eutrophisation; Phytoplancton; Confiance; Précision; Tendance.. |
| Ano: 2019 |
URL: https://archimer.ifremer.fr/doc/00507/61862/65959.pdf |
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| Laanaia, Nabil; Vaquer, Andre; Fiandrino, Annie; Genovesi, Benjamin; Pastoureaud, Annie; Cecchi, Philippe; Collos, Yves. |
| Since 1998, blooms of Alexandrium catenella/tamarense in the lagoon of Thau developed regularly each autumn, reaching a maximum of several millions cells per liter in 2004. By contrast, spring blooms occurred only twice (in 2000 and 2007). During these periods, sea surface temperatures (SST) and the wind patterns appear to impact the bloom occurrences much more than the apparent limiting resources such as inorganic nutrients. The analysis of SST and wind from April to June and September to November (from 2000 to 2007) indicates first that there has to be an initial wind stress in order to resuspend the cysts buried in the sediment. Blooms then occur after a period of weak winds (<4 m s(-1)) and of stable SST close to 20 degrees C (+/- 2 degrees C).... |
| Tipo: Text |
Palavras-chave: Alexandrium catenella/tamarense; Wind stress; SST; Thau lagoon; Mediterranean. |
| Ano: 2013 |
URL: http://archimer.ifremer.fr/doc/00157/26790/24936.pdf |
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| Fiandrino, Annie; Giraud, Anais; Robin, Sandrine; Pinatel, Christine. |
| La Directive Cadre sur l’Eau demande de définir pour les masses d’eau de transition « des facteurs physiques et chimiques ayant un impact potentiel sur la structure et la composition des peuplements biologiques ». Dans les lagunes, le fonctionnement des échanges avec la mer, la circulation des masses d’eau au sein de l’écosystème, la topographie (sinuosité du contour, marche bathymétrique…) qui peut dans certains secteurs géographiques fortement contraindre et limiter cette dynamique des masses d’eau, constituent autant de facteurs physiques pertinents à caractériser. Le temps de renouvellement et le temps de résidence des masses d’eau représentent des indicateurs caractéristiques de ces facteurs physiques. Le temps de renouvellement, défini à l’échelle... |
| Tipo: Text |
Palavras-chave: Echanges mer-lagune; Méthode d’estimation; Indicateurs hydrodynamiques; Efficacité de mélange. |
| Ano: 2012 |
URL: http://archimer.ifremer.fr/doc/00274/38544/37064.pdf |
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| Bec, Beatrice; Collos, Yves; Souchu, Philippe; Vaquer, Andre; Lautier, Jacques; Fiandrino, Annie; Benau, Laurent; Orsoni, Valerie; Laugier, Thierry. |
| We explored the role of natural and anthropogenic environmental perturbations in shaping the community structure and dynamics of pico- and nanophytoplankton in coastal waters. The distribution patterns of phycoerythrin-rich picocyanobacteria (PE-CYAN) and phycocyanin-rich picocyanobacteria (PC-CYAN), autotrophic picoeukaryotes (PEUK) and nanophytoplankton (NANO) were examined over a period of 3 yr in 24 Mediterranean coastal lagoons displaying wide trophic gradients (from 0.2 to 630 mu g chlorophyll a [chl a] l(-1)) and salinity gradients (from fresh to marine waters). In summer, picoplanktonic abundances reached 3 x 10(8) cells l(-1), 5 x 10(9) cells l(-1) and 6 x 10(10) cells l(-1) for PE-CYAN, PC-CYAN and PEUK, respectively. PE-CYAN and PC-CYAN showed... |
| Tipo: Text |
Palavras-chave: Autotrophic picoeukaryotes; Picocyanobacteria; Nanophytoplankton; Abundance; Biomass; Eutrophication; Mediterranean lagoons. |
| Ano: 2011 |
URL: http://archimer.ifremer.fr/doc/00031/14267/11547.pdf |
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| Registros recuperados: 71 | |
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