Invasive house mice facing a changing environment on the Sub-Antarctic Guillou Island (Kerguelen Archipelago)
Adaptation to new environments is a key feature in evolution promoting divergence in morphological structures under selection. The house mouse (Mus musculus domesticus) introduced on the Sub-Antarctic Guillou Island (Kerguelen Archipelago) had and still has to face environmental conditions that like...
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ftpubman:oai:pure.mpg.de:item_1737530 2023-08-20T04:00:56+02:00 Invasive house mice facing a changing environment on the Sub-Antarctic Guillou Island (Kerguelen Archipelago) Renaud, S. Hardouin, E. Pisanu, B. Chapuis, J. 2013-03 application/pdf http://hdl.handle.net/11858/00-001M-0000-000E-F41C-2 http://hdl.handle.net/11858/00-001M-0000-000E-F41E-D eng eng info:eu-repo/semantics/altIdentifier/doi/10.1111/jeb.12079 http://hdl.handle.net/11858/00-001M-0000-000E-F41C-2 http://hdl.handle.net/11858/00-001M-0000-000E-F41E-D Journal of Evolutionary Biology info:eu-repo/semantics/article 2013 ftpubman https://doi.org/10.1111/jeb.12079 2023-08-01T21:34:39Z Adaptation to new environments is a key feature in evolution promoting divergence in morphological structures under selection. The house mouse (Mus musculus domesticus) introduced on the Sub-Antarctic Guillou Island (Kerguelen Archipelago) had and still has to face environmental conditions that likely shaped the pattern and pace of its insular evolution. Since mouse arrival on the island, probably not more than two centuries ago, ecological conditions dramatically differed from those available to their Western European commensal source populations. In addition, over the last two decades, the plant and animal communities of Guillou Island were considerably modified by the eradication of rabbits, the effects of climate change and the spread of invasive species detrimental to native communities. Under such a changing habitat, the mouse response was investigated using a morphometric quantification of mandible and molar tooth, two morphological structures related to food processing. A marked differentiation of the insular mice compared with their relatives from Western Europe was documented for both mandibles and molar shapes. Moreover, these shapes changed through the 16 years of the record, in agreement with expectations of drift for the molar, but more than expected by chance for the mandible. These results suggest that mice responded to the recent changes in food resources, possibly with a part of plastic variation for the mandible prone to bone remodelling. This pattern exemplifies the intricate interplay of evolution, ecology and plasticity that is a probable key of the success of such an invasive rodent facing pronounced shifts in food resources exploitation under a changing environment. Article in Journal/Newspaper Antarc* Antarctic Max Planck Society: MPG.PuRe Antarctic Kerguelen Journal of Evolutionary Biology 26 3 612 624 |
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English |
description |
Adaptation to new environments is a key feature in evolution promoting divergence in morphological structures under selection. The house mouse (Mus musculus domesticus) introduced on the Sub-Antarctic Guillou Island (Kerguelen Archipelago) had and still has to face environmental conditions that likely shaped the pattern and pace of its insular evolution. Since mouse arrival on the island, probably not more than two centuries ago, ecological conditions dramatically differed from those available to their Western European commensal source populations. In addition, over the last two decades, the plant and animal communities of Guillou Island were considerably modified by the eradication of rabbits, the effects of climate change and the spread of invasive species detrimental to native communities. Under such a changing habitat, the mouse response was investigated using a morphometric quantification of mandible and molar tooth, two morphological structures related to food processing. A marked differentiation of the insular mice compared with their relatives from Western Europe was documented for both mandibles and molar shapes. Moreover, these shapes changed through the 16 years of the record, in agreement with expectations of drift for the molar, but more than expected by chance for the mandible. These results suggest that mice responded to the recent changes in food resources, possibly with a part of plastic variation for the mandible prone to bone remodelling. This pattern exemplifies the intricate interplay of evolution, ecology and plasticity that is a probable key of the success of such an invasive rodent facing pronounced shifts in food resources exploitation under a changing environment. |
format |
Article in Journal/Newspaper |
author |
Renaud, S. Hardouin, E. Pisanu, B. Chapuis, J. |
spellingShingle |
Renaud, S. Hardouin, E. Pisanu, B. Chapuis, J. Invasive house mice facing a changing environment on the Sub-Antarctic Guillou Island (Kerguelen Archipelago) |
author_facet |
Renaud, S. Hardouin, E. Pisanu, B. Chapuis, J. |
author_sort |
Renaud, S. |
title |
Invasive house mice facing a changing environment on the Sub-Antarctic Guillou Island (Kerguelen Archipelago) |
title_short |
Invasive house mice facing a changing environment on the Sub-Antarctic Guillou Island (Kerguelen Archipelago) |
title_full |
Invasive house mice facing a changing environment on the Sub-Antarctic Guillou Island (Kerguelen Archipelago) |
title_fullStr |
Invasive house mice facing a changing environment on the Sub-Antarctic Guillou Island (Kerguelen Archipelago) |
title_full_unstemmed |
Invasive house mice facing a changing environment on the Sub-Antarctic Guillou Island (Kerguelen Archipelago) |
title_sort |
invasive house mice facing a changing environment on the sub-antarctic guillou island (kerguelen archipelago) |
publishDate |
2013 |
url |
http://hdl.handle.net/11858/00-001M-0000-000E-F41C-2 http://hdl.handle.net/11858/00-001M-0000-000E-F41E-D |
geographic |
Antarctic Kerguelen |
geographic_facet |
Antarctic Kerguelen |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
Journal of Evolutionary Biology |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1111/jeb.12079 http://hdl.handle.net/11858/00-001M-0000-000E-F41C-2 http://hdl.handle.net/11858/00-001M-0000-000E-F41E-D |
op_doi |
https://doi.org/10.1111/jeb.12079 |
container_title |
Journal of Evolutionary Biology |
container_volume |
26 |
container_issue |
3 |
container_start_page |
612 |
op_container_end_page |
624 |
_version_ |
1774721430410231808 |