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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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