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Absence of variation in body size of the alpine salamander between allotopic and syntopic populations in a contact zone with the fire salamander


Werner, P; Lötters, S; Schmidt, B R (2014). Absence of variation in body size of the alpine salamander between allotopic and syntopic populations in a contact zone with the fire salamander. Amphibia Reptilia, 35(3):361-365.

Abstract

Competition can lead to differences in body size between syntopic and allotopic conspecific populations. Salamandra atra and S. salamandra are parapatric but have narrow contact zones where the two species are likely to compete. To test for divergence in functional traits in S. atra, we compared its body size and mass between locations where the species is syntopic or allotopic with S. salamandra. Using mixed-effect models, we found no significant differences in body size or mass between syntopic and allotopic locations. This suggests either that the two species do not compete or that competition does not lead to divergence in body size in S. atra.

Competition can lead to differences in body size between syntopic and allotopic conspecific populations. Salamandra atra and S. salamandra are parapatric but have narrow contact zones where the two species are likely to compete. To test for divergence in functional traits in S. atra, we compared its body size and mass between locations where the species is syntopic or allotopic with S. salamandra. Using mixed-effect models, we found no significant differences in body size or mass between syntopic and allotopic locations. This suggests either that the two species do not compete or that competition does not lead to divergence in body size in S. atra.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Evolutionary Biology and Environmental Studies
Dewey Decimal Classification:570 Life sciences; biology
590 Animals (Zoology)
Uncontrolled Keywords:Salamandra, body size, parapatry, range edge
Language:English
Date:2014
Deposited On:24 Sep 2014 14:39
Last Modified:05 Apr 2016 18:22
Publisher:Brill Academic Publishers
ISSN:0173-5373
Publisher DOI:https://doi.org/10.1163/15685381-00002953
Permanent URL: https://doi.org/10.5167/uzh-98769

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