Distribution ofTalpa europea(Mammalia, Insectivora, Talpidae) in Europe: A biogeographic hypothesis based on morphometric data
作者:
Anna Loy,
Marco Corti,
期刊:
Italian Journal of Zoology
(Taylor Available online 1996)
卷期:
Volume 63,
issue 3
页码: 277-284
ISSN:1125-0003
年代: 1996
DOI:10.1080/11250009609356145
出版商: Taylor & Francis Group
关键词: Multivariate morphometrics;Talpa europaea;Geographic variation;Biogeography
数据来源: Taylor
摘要:
Geographic variation of the European moleTalpa europaeawas investigated through univariate and multivariate analyses of mor phometric characters. Fifteen Cartesian coordinates were recorded from the left mandible of 466 specimens from 145 European localities. Sexes and sample localities were pooled after testing for homogeneity of groups. Data were transformed to avoid the effect of within‐group allometry. Four major phenetic clusters are evident, i.e., a French‐Spanish, a central European, an Italian, and a British one. Distribution of specimens in canonical space is related to both geography and climate. The influence of historical events on variation was tested through the analyses of hypothetical secondary contact zones, showing the occurrence of stepclines. These step‐clines may be related to range expansion following ice retreat after the last Pleistocene glaciation.
点击下载:
PDF (732KB)
返 回