Evaluation de l'état des populations de raie bouclée

Abstract : During the 20th century, several skates and rays species in European waters declined because of fishing. Conservation of these species is a major objective of the management of marine resources. The thornback ray (Raja clavata) is the most widespread species of the North-Est Atlantic. Its management is based on a nonspecific quota and lay on observations only as no stock assessment is available.Thus this thesis aims to compare the available stock assessments methods for this species and to apply them to empiric data. Two types of methods are investigated: methods based on population demography and methods based on population genetics.
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Florianne Marandel. Evaluation de l'état des populations de raie bouclée. Génétique animale. Agrocampus Ouest, 2018. Français. ⟨NNT : 2018NSARH105⟩. ⟨tel-01977003⟩

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