| Record |
| Author |
Renaud Sabrina, Gomes Rodrigues Helder, Ledevin Ronan, Pisanu Benoît, Chapuis Jean-Louis, Hardouin Emilie A, |
| Title |
Fast evolutionary response of house mice to anthropogenic disturbance on a Sub-Antarctic island
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Type |
Journal Article |
Year  |
2015 |
Publication |
Biological Journal of the Linnean Society |
Abbreviated Journal |
Biol. J. Linn. Soc. Lond. |
| Volume |
114 |
Issue |
3 |
Pages |
513-526 |
| Keywords |
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| Abstract |
Invasions and anthropogenic disturbances challenge species with rapid environmental changes. Understanding how organisms respond to these changes is of major concern for the future of biodiversity. The house mouse on a Sub-Antarctic island (Guillou Island, Kerguelen Archipelago) had to face such challenges twice: first when invading the island two centuries ago; and nowadays when coping with an in-depth remodeling of its habitat due to a cohort of anthropogenic changes. Morphometric and biomechanical results show that the initial invasion triggered the evolution of a jaw shape adapted to the local food resources. Contemporary changes are also associated to changes in jaw morphology, but are not directly functionally relevant. Here, a complex response integrating feeding behaviour, investment in feeding structure, and degree of mineralization, may provide the mice with a better tool to benefit of wider resources utilization and/or better cope with intra-specific competition in a changing habitat. These Sub-Antarctic mice exemplify that success of invasive species rely on the capacity of facing rapidly varying environments through integrated, multi-faceted responses involving behaviour to morphology through life-history traits. |
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136 |
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Original Title |
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Edition |
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| ISSN |
0024-4066 |
ISBN |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
6133 |
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