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Rapport

Evolutionary Ecology of Kerguelen Islands Colonization by Introduced Salmonids: SALMEVOL 1041-2 project

Abstract : The present report is a synthesis of all studies conducted around the long-term ecological research (LTER) monitoring of introduced salmonid species in the sub Antarctic Kerguelen islands over the 2015- 2020 period, within the SALMEVOL-2 project. The monitoring encompasses the history of eight species, five of which are still present in Kerguelen, the data and collections spanning five decades and tenths of rivers. Based on this monitoring, but also thanks to various field experiments, we have undertaken to study the evolutionary ecology of these species, using the invasive Brown trout as flagship model, under the premise that the Kerguelen situation, where rivers were previously void of any fish species, could be an anticipation lab of the situation developing at the poles due to climate change. Our findings pertain to life history traits such as individual growth, migration between freshwater and marine ecosystems, microbiomes, but also proximal and ultimate mechanisms of adaptation in relation to the local environment. We also begin to investigate how the expanding metapopulation structure, resulting from multiple invasion events, may affect life history traits evolution.
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https://hal.inrae.fr/hal-03719420
Contributeur : Jacques Labonne Connectez-vous pour contacter le contributeur
Soumis le : lundi 11 juillet 2022 - 11:09:24
Dernière modification le : mercredi 10 août 2022 - 03:29:26

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SALMEVOL-1041 Second Report 20...
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Distributed under a Creative Commons Paternité - Pas d'utilisation commerciale - Pas de modification 4.0 International License

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Jacques Labonne, Mathieu Buoro, Lucie Aulus Giacosa, Matthias Vignon, Sindre Håvarstein Eldøy, et al.. Evolutionary Ecology of Kerguelen Islands Colonization by Introduced Salmonids: SALMEVOL 1041-2 project. [Research Report] Institut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE); Université de Pau et des Pays de l'Adour (UPPA); Institut Polaire Paul-Emile Victor. 2022. ⟨hal-03719420⟩

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