Arid
DOI10.1016/j.jcz.2014.03.004
Integrative taxonomy of a poorly known Sahelian rodent, Gerbillus nancillus (Muridae, Gerbillinae)
Ndiaye, Arame1,2; Hima, Karmadine3; Dobigny, Gauthier4; Sow, Aliou1; Dalecky, Ambroise4; Ba, Khalilou1; Thiam, Massamba5; Granjon, Laurent1
通讯作者Ndiaye, Arame
来源期刊ZOOLOGISCHER ANZEIGER
ISSN0044-5231
出版年2014
卷号253期号:5页码:430-439
英文摘要

Aridification processes that affected the Sahelian area of West Africa during the last decades have induced significant changes in plant and animal communities of this region. In rodents, the genus Gerbillus characteristic of North African and Asian arid habitats has been affected by this climatic and environmental trends. Several species of this genus showed a southward range expansion in recent years into the Sahelian bioclimatic zone. Recent sampling in several localities of West Africa (Mali, Niger and Senegal) enabled us to collect numerous specimens of small gerbils. An integrative study of these samples using molecular, morphological and cytogenetical methods revealed that many of them were attributable to Gerbillus nancillus, a secretive and poorly known species. Gerbillus nancillus appears characterized by a well differentiated karyotype with 2n = 56 chromosomes, and to represent a unique genetic lineage within this genus. Body and skull measurements of G. nancillus were compared with those of the morphologically similar Gerbillus henleyi, which provided diagnostic clues between them. These new data significantly expand the distribution area of G. nancillus, which now ranges from Sudan in the East to Senegal in the West. G. nancillus is here reported from numerous new localities in Niger and Mali, and for the first time in Senegal, which raises questions about the origin of its presence and the colonization routes it followed to get there. We also show that G. henleyi and G. nancillus are sympatric and apparently often syntopic in the sub-Saharan part of the distribution of G. henleyi. (C) 2014 Elsevier GmbH. All rights reserved.


英文关键词Biogeography Cytochrome b Gerbillus nancillus Karyotype Morphometry Sahel Taxonomy
类型Article
语种英语
国家Senegal ; Niger ; France
收录类别SCI-E
WOS记录号WOS:000338607600006
WOS关键词RECENT CLIMATE-CHANGE ; MAXIMUM-LIKELIHOOD ; CYTOCHROME-B ; WEST-AFRICA ; SYSTEMATICS ; SENEGAL ; BIOGEOGRAPHY ; EVOLUTION ; INFERENCE ; RESPONSES
WOS类目Zoology
WOS研究方向Zoology
来源机构French National Research Institute for Sustainable Development
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/185357
作者单位1.Montpellier SupAgro, CIRAD, IRD, INRA,UMR CBGP 022, Dakar 18524, Senegal;
2.Univ Cheikh Anta Diop, Fac Sci & Tech, Dept Biol Anim, Dakar, Senegal;
3.Univ Abdou Moumouni, Fac Sci, Dept Biol Anim, Niamey, Niger;
4.Montpellier SupAgro, CIRAD, IRD, INRA,UMR CBGP, F-34988 Montferrier Sur Lez, France;
5.CAD, IFAN, Dept Biol Anim, Lab Zool Vertebres Terr, Dakar, Senegal
推荐引用方式
GB/T 7714
Ndiaye, Arame,Hima, Karmadine,Dobigny, Gauthier,et al. Integrative taxonomy of a poorly known Sahelian rodent, Gerbillus nancillus (Muridae, Gerbillinae)[J]. French National Research Institute for Sustainable Development,2014,253(5):430-439.
APA Ndiaye, Arame.,Hima, Karmadine.,Dobigny, Gauthier.,Sow, Aliou.,Dalecky, Ambroise.,...&Granjon, Laurent.(2014).Integrative taxonomy of a poorly known Sahelian rodent, Gerbillus nancillus (Muridae, Gerbillinae).ZOOLOGISCHER ANZEIGER,253(5),430-439.
MLA Ndiaye, Arame,et al."Integrative taxonomy of a poorly known Sahelian rodent, Gerbillus nancillus (Muridae, Gerbillinae)".ZOOLOGISCHER ANZEIGER 253.5(2014):430-439.
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