Title
Limb proportions in climbing and ground-dwelling geckos (Lepidosauria, Gekkonidae) : a phylogenetically informed analysisLimb proportions in climbing and ground-dwelling geckos (Lepidosauria, Gekkonidae) : a phylogenetically informed analysis
Author
Faculty/Department
Faculty of Sciences. Biology
Research group
Functional Morphology
Publication type
article
Publication
Berlin,
Subject
Biology
Human medicine
Source (journal)
Zoomorphology : evolutionary, comparative and functional morphology. - Berlin
Volume/pages
121(2001):1, p. 45-53
ISSN
0720-213X
ISI
000169322600006
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Biomechanical considerations predict that limb proportions should differ between animals with climbing and ground-dwelling lifestyles. Ground-dwellers should have relatively long, parasagittal hind limbs, with high tibia:femur ratios, and relatively short fore limbs. Climbers should have relatively short limbs, with low tibia:femur ratios, and equally long hind and fore limbs. We tested these predictions using gecko species with different locomotion habits (climbing versus ground-dwelling). We measured snout-vent length and lengths of limb segments in 29 species of geckos and analysed them using both non-phylogenetic statistics (nested analysis of variance and principal component analysis) and phylogenetic statistics (analysis of covariance). Neither approach allowed us to find any consistent relationship between habitat use and the morphometric variables. We conclude that either relative limb lengths and limb proportions in geckos have not evolved in response to the physical demands of the microhabitat, or our understanding of those demands is insufficient.
E-info
https://repository.uantwerpen.be/docman/iruaauth/08cdde/6cd4408255a.pdf
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