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Parallel divergence in mate guarding behaviour following colonization of a novel habitat

Content Provider	Scilit
Author	Karlsson, K. Eroukhmanoff, F. Hardling, R. Svensson, E. I.
Copyright Year	2010
Description	Journal: Journal of Evolutionary Biology Ecological factors can have profound effects on mating system and mating behaviour. We investigated the effect of altered ecological conditions, following colonization of a novel habitat, on precopulatory mate guarding in a freshwater isopod (Asellus aquaticus). This isopod occurs in two different ecotypes, which coexist within several different lakes in Sweden but which utilize different habitats. These ecotypes have rapidly (ca. 40 generations) diverged in parallel among lakes in several phenotypic characters, presumably as a response to different predatory pressures. Here, we demonstrate that also mate guarding characteristics have diverged in parallel between the ecotypes in different lakes. This is one of the few studies reporting parallel evolution of mating behaviour. Furthermore, our results also indicate a potential sexual conflict, as the length of mate guarding appears to lower components of female fitness. We discuss how novel environments might have strong and rapid effects on mate guarding dynamics and mating behaviour
Related Links	http://onlinelibrary.wiley.com/doi/10.1111/j.1420-9101.2010.02102.x/pdf
Ending Page	2549
Page Count	10
Starting Page	2540
e-ISSN	14209101
DOI	10.1111/j.1420-9101.2010.02102.x
Journal	Journal of Evolutionary Biology
Issue Number	12
Volume Number	23
Language	English
Publisher	Wiley-Blackwell
Publisher Date	2010-10-07
Access Restriction	Open
Subject Keyword	Journal: Journal of Evolutionary Biology Evolutionary Biology Asellus Aquaticus Mating Behaviour Parallel Evolution Precopulatory Mate Guarding Rapid Divergence Sexual Conflict
Content Type	Text
Resource Type	Article

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