Understanding the ecological niche to elucidate spatial strategies of the southernmost Tupinambis lizards

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Serval ID
serval:BIB_81EFC168996A
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Understanding the ecological niche to elucidate spatial strategies of the southernmost Tupinambis lizards
Journal
Amphibia-Reptilia
Author(s)
Lanfri S., Di Cola V., Naretto S., Chiaraviglio M., Cardozo G.
ISSN
0173-5373
Publication state
Published
Issued date
2013
Volume
34
Number
4
Pages
551 - 565
Language
english
Abstract
Understanding factors that shape ranges of species is central in evolutionary biology. Species distribution models have become important tools to test biogeographical, ecological and evolutionary hypotheses. Moreover, from an ecological and evolutionary perspective, these models help to elucidate the spatial strategies of species at a regional scale. We modelled species distributions of two phylogenetically, geographically and ecologically close Tupinambis species (Teiidae) that occupy the southernmost area of the genus distribution in South America. We hypothesized that similarities between these species might have induced spatial strategies at the species level, such as niche differentiation and divergence of distribution patterns at a regional scale. Using logistic regression and MaxEnt we obtained species distribution models that revealed interspecific differences in habitat requirements, such as environmental temperature, precipitation and altitude. Moreover, the models obtained suggest that although the ecological niches of Tupinambis merianae and T. rufescens are different, these species might co-occur in a large contact zone. We propose that niche plasticity could be the mechanism enabling their co-occurrence. Therefore, the approach used here allowed us to understand the spatial strategies of two Tupinambis lizards at a regional scale.
Keywords
environmental factors, evolutionary ecology, niche differentiation, sister species, species distribution modelling, sympatric zone
Web of science
Create date
14/11/2013 9:53
Last modification date
20/08/2019 14:42
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