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Registros recuperados: 9
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Suivi stationnel de l’herbier à Zostera noltei de la masse d’eau FRFT8 Bidassoa - 2015 - Bassin Hydrographique Adour-Garonne ArchiMer
Sanchez, Florence; De Casamajor, Marie-noelle; Lissardy, Muriel.
Based on 3 metrics ("taxonomy", "extension" and "abundance"), the quality index of the water body FRFT8 – Bidassoa - Type T03 for the angiosperm indicator, was "good", the same as 2014. As last year, the seagrass bed moved and the grid will probably be displaced in 2016.
Tipo: Text Palavras-chave: Herbier Zostera noltei; Directive Cadre sur l’eau; Côte basque; Baie de Txingudi; Hendaye; Seagrass Zostera noltei; Water Framework Directive; Basque country; Txingudi Bay; Hendaye.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00341/45206/44617.pdf
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Suivis stationnel et surfacique de l’herbier à Zostera noltei de la masse d’eau FRFT8 Bidassoa – 2013 - Bassin Hydrographique Adour-Garonne - ArchiMer
Sanchez, Florence; De Casamajor, Marie-noelle; Lissardy, Muriel.
The new protocol, established by Auby et al. (2012) to the seagrass monitoring under the Water Framework Directive, was used in Txingudi bay (Hendaye, France). Based on 3 metrics ("taxonomy", "extension" and "density"), the quality index of the water body for the angiosperm indicator, was "medium", while it was in "good condition" in 2012. These results are explained by a sharp drop in the density observed on the monitoring station. The cartography of the species distribution showed a decrease of the total area of seagrass, particularly in the southern part of the mudflat. However, further north, small intertidal seagrass spots appeared. Atypical weather conditions in 2013 (cold, heavy spring rain) with silting of this area, could explain this situation.
Tipo: Text Palavras-chave: Herbier Zostera noltei; Directive Cadre sur l’eau; Côte basque; Baie de Txingudi; Hendaye; Seagrass Zostera noltei; Water Framework Directive; Basque country; Txingudi Bay; Hendaye.
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00198/30965/29341.pdf
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Apport des images satellite à l'évaluation de la qualité des masses d'eau DCE. Analyse des données de Chlorophylle a sur la période 2011-2016 dans les masses d'eau côtière du bassin versant Loire-Bretagne ArchiMer
Bizzozero, Lucie; Gohin, Francis; Lampert, Luis; Fortune, Mireille; Cochennec-laureau, Nathalie.
Afin de répondre aux objectifs de la Directive Cadre sur l’eau, l’Ifremer met en oeuvre, en appui à l’Agence de l’eau Loire Bretagne, la surveillance de l’élément de qualité phytoplancton. Le suivi sur des points fixes et à une fréquence mensuelle ne permet pas de suivre l’ensemble des masses d’eau du bassin Loire Bretagne. C’est pourquoi l’évaluation de l’indicateur phytoplancton a été complétée par une évaluation à partir des images satellite, notamment sur les masses d’eau non suivies. L’indice biomasse (représenté par le percentile 90 de la Chl-a) a pu être calculé à partir des données satellite pour la quasi-totalité des masses d’eau côtières RCS et non RCS, c’est-à-dire 34 masses d’eau sur 39. Pour les cinq masses d’eau restantes, les limites liées à...
Tipo: Text Palavras-chave: Images satellite; Indice Biomasse; Directive Cadre sur l’eau; Chlorophylle a; Bassin Loire Bretagne; Qualité des masses d’eau; Indicateur Phytoplancton.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00453/56465/58162.pdf
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Suivi stationnel de l’herbier à Zostera noltei de la masse d’eau FRFT8 Bidassoa. 2016 - Bassin Hydrographique Adour-Garonne - ArchiMer
Sanchez, Florence; Lissardy, Muriel; De Casamajor, Marie-noelle.
The assessment of the angiosperm quality element (Zostera noltei) considers the monitoring of 3 metrics: the taxinomic composition, the spatial bed extent and the abundance (percentage cover). In 2016, for the FRFT8 Bidassoa water body, the ecological status for the angiosperm element was “good”, as in 2015. This result is due to a better percentage of seagrass cover but the spatial extent decreased (-33 % compared to 2015). This spatial decline could lead to a worse classification in next years
Tipo: Text Palavras-chave: Directive Cadre sur l’eau; Herbier Zostera noltei; Côte basque; Baie de Txingudi; Hendaye; Water Framework Directive; Seagrass Zostera noltei; Basque country; Txingudi Bay; Hendaye.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00382/49293/49694.pdf
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Suivi stationnel de l’herbier à Zostera noltei de la masse d’eau FRFT08 Bidassoa - 2019 - Bassin Hydrographique Adour-Garonne ArchiMer
Sanchez, Florence; Lissardy, Muriel; De Casamajor, Marie-noelle; Aubert, Fabien.
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 2019, the angiosperm quality element for FRFT8 Bidassoa was “very good”. This result is due to an increase of the abundance of seagrass bed compared to 2018.
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: 2020 URL: https://archimer.ifremer.fr/doc/00632/74395/74091.pdf
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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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Protocoles de suivi stationnel des herbiers à zostères pour la Directive Cadre sur l’Eau (DCE). Zostera marina - Zostera noltei. Version 3 ArchiMer
Auby, Isabelle; Oger-jeanneret, Helene; Gouillieux, Benoît; Grall, Jacques; Janson, Anne-laure; Maguer, Marion; Rigouin, Loic; Rollet, Claire; Sauriau, Pierre - Guy; Trut, Gilles.
This report is an update of the previous WFD monitoring protocols for seagrass beds on the French coasts (Channel, Atlantic). The different steps of field sampling and laboratory measurements are described.
Tipo: Text Palavras-chave: Directive Cadre sur l’eau; Herbiers; Zostera noltei; Zostera marina; Protocoles de suivi; Water Framework Directive; Seagrass beds; Zostera noltei; Zostera marina; Monitoring protocols..
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00471/58250/60782.pdf
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Suivi stationnel de l’herbier à Zostera noltei de la masse d’eau FRFT8 Bidassoa – 2014 - Bassin Hydrographique Adour-Garonne ArchiMer
Sanchez, Florence; Lissardy, Muriel; De Casamajor, Marie-noelle.
The new protocol established by Auby et al. (2012) was applied in 2014 to the seagrass monitoring in the Water body FRFT8 – Bidassoa - Type T03. Based on 3 metrics ("taxonomy", "extension" and "abundance"), the quality index of this water body for the angiosperm indicator, was "good". The displacement of the seagrass bed led us to adapt the sampling grid in 2014
Tipo: Text Palavras-chave: Herbier Zostera noltei; Directive Cadre sur l’eau; Côte basque; Baie de Txingudi; Hendaye; Seagrass Zostera noltei; Water Framework Directive; Basque country; Txingudi Bay; Hendaye.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00276/38736/37271.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
Registros recuperados: 9
Primeira ... 1 ... Última
 

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