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Evolution and plasticity of anuran larval development in response to desiccation: A comparative analysis
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Population and Conservation Biology.ORCID iD: 0000-0002-8559-5191
2011 (English)In: Ecology and Evolution, ISSN 2045-7758, E-ISSN 2045-7758, Vol. 1, no 1, 15-25 p.Article in journal (Refereed) Published
Abstract [en]

Anurans breed in a variety of aquatic habitats with contrasting levels of desiccation risk, which may result in selection for faster development during larval stages. Previous studies suggest that species in ephemeral ponds reduce their developmental times to minimize desiccation risks, although it is not clear how variation in desiccation risk affects developmental strategies in different species. Employing a comparative phylogenetic approach including data from published and unpublished studies encompassing 62 observations across 30 species, we tested if species breeding in ephemeral ponds (High risk) develop faster than those from permanent ponds (Low risk) and/or show increased developmental plasticity in response to drying conditions. Our analyses support shorter developmental times in High risk, primarily by decreasing body mass at metamorphosis. Plasticity in developmental times was small and did not differ between groups. However, accelerated development in High risk species generally resulted in reduced sizes at metamorphosis, while some Low risk species were able compensate this effect by increasing mean growth rates. Taken together, our results suggest that plastic responses in species breeding in ephemeral ponds are constrained by a general trade-off between development and growth rates.

Place, publisher, year, edition, pages
2011. Vol. 1, no 1, 15-25 p.
National Category
Evolutionary Biology
Identifiers
URN: urn:nbn:se:uu:diva-253511DOI: 10.1002/ece3.2ISI: 000312439700003OAI: oai:DiVA.org:uu-253511DiVA: diva2:815083
Available from: 2015-05-29 Created: 2015-05-29 Last updated: 2017-12-04Bibliographically approved

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Publisher's full texthttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC3287374/

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Richter-Boix, Alex

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