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Application de biotechnologies moléculaires au contrôle de la production de l’arche noire (Anadara tuberculosa) à des fins de conservation et d’élevage

Abstract : The extraction of the Black Ark (BA) Anadara tuberculosa is one of the ancestral artisanal fishing activities of Latin America West Coast mangroves and its trade supports the economy of thousands of families. The conservation of this emblematic bivalve of mangroves is threatened by the overexploitation of natural populations. Conventional conservation measures have proved to be ineffective in halting the decline of populations. This thesis work proposes spats production in artificial conditions of hatchery, in Peru, in order to restock after a process of “domestication” of this wild bivalve. We have 1) analyzed the genetic structure of some South American BA populations, 2) evaluated the effect of different salinities on the physiological response of the BA, 3) produced in hatchery specific pathogen free (SPF) spats from geneticallycharacterized broodstocks of the National Sanctuary of Mangroves of Tumbes. This work is a model for future strategies for the production and restocking of stocks of other vulnerable species.
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Benoit Diringer. Application de biotechnologies moléculaires au contrôle de la production de l’arche noire (Anadara tuberculosa) à des fins de conservation et d’élevage. Biotechnologies. Université Paris sciences et lettres, 2019. Français. ⟨NNT : 2019PSLEP068⟩. ⟨tel-02868814⟩

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