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A methodology based on data filtering to identify reference fleets to account for the abundance of fish species: Application to the Striped red mullet (Mullus surmulletus) in the Bay of Biscay ArchiMer
Caill-milly, Nathalie; Lissardy, Muriel; Bru, Noëlle; Dutertre, Marie-adèle; Saguet, Cassandre.
For data-limited stocks (DLS), professional fishing data can be used as a potential source of information, especially in the absence of appropriate scientific survey, to understand abundance evolution under realistic hypothesis on resource catchability. This work focuses on a data-filtering approach, the selected fishing effort must reflect vessel activity that is least dependent on their technical characteristics and as stable as possible over time. The variable of interest is landing by fishing sequence (landing for a given gear, gear mesh, day and ICES statistical rectangle) called LPUE. In order to account for the abundance of the species, it was necessary to consider the discards. The method thus proceeds in 4 steps: (i) focus on LPUE variability and...
Tipo: Text Palavras-chave: Data-limited stock; Commercial data; Discards; LPUE; Professional knowledge; Data filtering.
Ano: 2019 URL:
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