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Type: Articles
Published: 2009-08-13
Page range: 48–58
Abstract views: 51
PDF downloaded: 1

Geographic variation of the Anderson’s Niviventer (Niviventer andersoni) (Thomas, 1911) (Rodentia: Muridae) of two new subspecies in China verified with cranial morphometric variables and pelage characteristics

Kunming Institute of Zoology, the Chinese Academy of Sciences, 32 Jiaochang Donglu, Kunming, Yunnan 650223, China
Kunming Institute of Zoology, the Chinese Academy of Sciences, 32 Jiaochang Donglu, Kunming, Yunnan 650223, China
Rodentia Geographic variation New subspecies Numerical analysis Niviventer andersoni Morphometry

Abstract

A total of 66 specimens of Niviventer andersoni with intact skulls was investigated on pelage characteristics and cranial morphometric variables. The data were subjected to principal component analyses as well as to discriminant analyses, and measurement overlap was studied as compared with the coefficient of difference. The results indicate that three subspecies of N. andersoni can be recognized in China, including N. a. andersoni broadly distributed from northwestern Yunnan, Sichuan, northward to southern Shaanxi, and eastward to Hubei, N. a. pianmaensis subsp. nov. in western Yunnan, and N. a. ailaoshanensis subsp. nov. in Mt. Ailaoshan, central Yunnan province. Our study for the first time validates its subspecies differentiation that is most likely related to intra-specific geographic variation. In addition, a taxonomic revision of Niviventer andersoni in China is described.

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