Article (Scientific journals)
Influence of past and future climate changes on the distribution of three Southeast Asian murine rodents
Latinne, Alice; Meynard, Christine; Herbreteau, Vincent et al.
2015In Journal of Biogeography, 42 (9), p. 1714-1726
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Keywords :
Climate change; Last Glacial Maximum; Last Interglacia; Leopoldamys; Murinae; Pleistocene; rodents; Southeast Asia; species distribution modelling
Abstract :
[en] Aim: We tested the influence of Pleistocene climatic fluctuations and the potential effect of future climate change on Southeast Asian small mammal distributions using two forest-dwelling (Leopoldamys herberti and Leopoldamys sabanus) and one karst (Leopoldamys neilli) endemic rodent species as models. Location: Southeast Asia. Methods: We used presence–absence data of genetically identified individuals, bioclimatic variables and species distribution modelling techniques to predict potential distributions of the three studied species under current, past [Last Interglacial (LIG) and Last Glacial Maximum (LGM)] and future conditions. We applied a variety of modelling techniques and then used consensus techniques to draw up robust maps of potential distribution ranges at all stages. Results: According to our models, these three Leopoldamys species did not experience significant range contraction during the LGM. Our models revealed substantial range contraction during the LIG for L. herberti in northern Indochina, while its distribution expanded in southern Indochina. Evidence of a southward range expansion during that period was also obtained for L. neilli, whereas L. sabanus remained widely distributed in insular Southeast Asia but experienced a range contraction on the Thai-Malay Peninsula. The two future climate change scenarios used predicted that large climatically suitable areas would still be available in the future for the three species. Main conclusions: Our model predictions contradict the well-established hypothesis that Southeast Asian forest-dwelling species were confined to small refugia during the LGM. Moreover, our results suggest that some Southeast Asian taxa may have been distributed in their refugial state during the LIG rather than the LGM. This could be because of vegetation changes that may have occurred at that time as a result of the increased seasonality observed during the LIG. These Pleistocene refugia may have been localized in northern Indochina but our study also revealed that southern Indochina could provide major potential refugia.
Disciplines :
Zoology
Author, co-author :
Latinne, Alice ;  Université de Liège - ULiège > Département des sciences de la vie > Génétique et physiologie des microalgues
Meynard, Christine
Herbreteau, Vincent
Waengsothorn, Surachit
Morand, Serge
Michaux, Johan  ;  Université de Liège - ULiège > Département des sciences de la vie > Génétique et physiologie des microalgues
Language :
English
Title :
Influence of past and future climate changes on the distribution of three Southeast Asian murine rodents
Publication date :
27 April 2015
Journal title :
Journal of Biogeography
ISSN :
0305-0270
eISSN :
1365-2699
Publisher :
Blackwell Publishing, Oxford, United Kingdom
Volume :
42
Issue :
9
Pages :
1714-1726
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 27 March 2015

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