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Does Operational Oceanography Address the Needs of Fisheries and Applied Environmental Scientists? ArchiMer
Berx, Barbara; Dickey-collas, Mark; Skogen, Morten D.; De Roeck, Yann-herve; Klein, Holger; Barciela, Rosa; Forster, Rodney M.; Dombrowsky, Eric; Huret, Martin; Payne, Mark; Sagarminaga, Yolanda; Schrum, Corinna.
Although many oceanographic data products are now considered operational, continued dialogue between data producers and their user communities is still needed. The fisheries and environmental science communities have often been criticized for their lack of multidisciplinarity, and it is not clear whether recent developments in operational oceanographic products are addressing these needs. The International Council for the Exploration of the Sea (ICES) Working Group on Operational Oceanographic products for Fisheries and Environment (WGOOFE) identified a potential mismatch between user requirements and the perception of requirements by the providers. Through a questionnaire (98 respondents), WGOOFE identified some of these issues. Although products of...
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Ano: 2011 URL: http://archimer.ifremer.fr/doc/00032/14330/11616.pdf
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Estimating turbidity and total suspended matter in the Adour River plume (South Bay of Biscay) using MODIS 250-m imagery ArchiMer
Petus, Caroline; Chust, Guillem; Gohin, Francis; Doxaran, David; Froidefond, Jean-marie; Sagarminaga, Yolanda.
The Basque coastal waters (South Bay of Biscay) are directly influenced by the Adour River freshwater plume. The Adour outflow leads to important variations of suspended matter concentrations and turbidity, which in turn may affect biological productivity and water quality. This study aims at both developing specific algorithms and testing the efficiency of atmospherically corrected MODIS-Aqua 250-m surface reflectance product (MYD09) to map total suspended matter concentrations and turbidity within the Adour coastal region. First, regional empirical algorithms based on in-situ data were tested to retrieve the concentration of total suspended matter and turbidity from the remote sensing reflectance. Then, the respective sensitivity of MODIS surface...
Tipo: Text Palavras-chave: Adour River plume; Turbidity; Suspended matter; Satellite sensing; MODIS; Remote sensing reflectance.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00003/11383/8042.pdf
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Global habitat preferences of commercially valuable tuna ArchiMer
Arrizabalaga, Haritz; Dufour, Florence; Kell, Laurence; Merino, Gorka; Ibaibarriaga, Leire; Chust, Guillem; Irigoien, Xabier; Santiago, Jose Luis; Murua, Hilario; Fraile, Igaratza; Chifflet, Marina; Goikoetxea, Nerea; Sagarminaga, Yolanda; Aumont, Olivier; Bopp, Laurent; Herrera, Miguel; Fromentin, Jean-marc; Bonhomeau, Sylvain.
In spite of its pivotal role in future implementations of the Ecosystem Approach to Fisheries Management, current knowledge about tuna habitat preferences remains fragmented and heterogeneous, because it relies mainly on regional or local studies that have used a variety of approaches making them difficult to combine. Therefore in this study we analyse data from six tuna species in the Pacific, Atlantic and Indian Oceans in order to provide a global, comparative perspective of habitat preferences. These data are longline catch per unit effort from 1958 to2007 for albacore, Atlantic bluefin, southern bluefin, bigeye, yellowfin and skipjack tunas. Both quotient analysis and Generalized Additive Models were used to determine habitat preference with respect to...
Tipo: Text Palavras-chave: Habitat; Tuna fisheries; Catch/effort; Environmental conditions; Quotient analysis; Generalised Additive Models; Ecosystem Approach to Fisheries Management.
Ano: 2015 URL: https://archimer.ifremer.fr/doc/00201/31190/29589.pdf
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