Advances in insectivore and rodent systematics due to geometric morphometrics

Mammal Review - Tập 39 Số 2 - Trang 80-91 - 2009
Lenka Barčiová1
1Department of Biological Disciplines, Faculty of Agriculture, University of South Bohemia, Studentská 13 and Department of Zoology, Faculty of Science, University of South Bohemia, Branišovská 31, 370 05 České Budějovice, Czech Republic

Tóm tắt

ABSTRACT Morphometrics, the study of the variation and change in form amongst organisms, serves as a basic methodological tool in various fields of biological research, including systematics. Because it includes information about spatial relationships amongst anatomical landmarks, geometric morphometrics is more suitable for analyzing morphometric variation than methods based on distance measurements. Geometric morphometrics allows us to answer general ecological and evolutionary questions about shape. In this paper, landmark‐based methods are described and illustrated, based on a dataset of measurements from 295 Apodemus mandibles, and the applications of such methods in the systematics of insectivores (Eulipotyphla) and rodents (Rodentia) are summarized.

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