Climate change, multiple paternity and offspring survival in lizards

Olsson, Mats, Shwartz, Tonia, Wapstra, Erik, Uller, Tobias, Ujvari, Beata, Madsen, Thomas and Shine, Richard 2011, Climate change, multiple paternity and offspring survival in lizards, Evolution: International journal of organic evolution, vol. 65, no. 11, pp. 3323-3326, doi: 10.1111/j.1558-5646.2011.01387.x.

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Title Climate change, multiple paternity and offspring survival in lizards
Author(s) Olsson, Mats
Shwartz, Tonia
Wapstra, Erik
Uller, Tobias
Ujvari, BeataORCID iD for Ujvari, Beata
Madsen, Thomas
Shine, Richard
Journal name Evolution: International journal of organic evolution
Volume number 65
Issue number 11
Start page 3323
End page 3326
Total pages 4
Publisher Wiley
Place of publication London, Eng.
Publication date 2011
ISSN 1558-5646
Keyword(s) climate change
offspring survival
multiple paternity
Summary Recent work suggests that rising spring temperatures over recent decades have eliminated many lizard populations, and threaten many more worldwide. However, because ambient temperatures constrain activity times in ectotherms, warming conditions (as expected under global climate change scenarios) can increase the duration of seasonal opportunities for courtship and mating. Thus, in species where polyandry results in enhanced offspring viability, a warming climate may not necessarily impair long-term survival. Our nine-year study of a sand lizard (Lacerta agilis) population near the northern range limit in Sweden revealed consistently higher incidence of multiple paternity of clutches in warmer years, and higher viability of offspring from multiply-sired clutches (presumably reflecting the advantages of more intense sperm competition). Any trend to warmer spring temperatures likely will benefit offspring viability in this system, by increasing a female's opportunities to mate with additional males.
Language eng
DOI 10.1111/j.1558-5646.2011.01387.x
Field of Research 069999 Biological Sciences not elsewhere classified
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2011, Wiley
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