Reproductive modes are associated to climatic niche evolution in treefrogs (anura: hylidae)
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2016-02-29
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Universidade Federal de Goiás
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The similarity of life-history traits among closely related species is a well-known pattern in
evolutionary biology. Thus, closely related species tend to be more akin to each other than to
distantly related ones. The propensity of closely related species to conserve climatic niche
features over macroevolutionary time can be defined as climatic niche conservatism. Recent
studies have shown the importance of environmental variables with regards to the diversity
and distribution of anurans with differences in their reproductive traits under an evolutionary
perspective. In this work, using frog species in the Hylidae family, we tested the hypothesis
that species more independent from main bodies of water for reproduction are restricted to
areas with higher temperature and precipitation means. We also investigated the evolution of
climatic niche features of species with different degrees of dependence on water for
reproduction. Our results corroborate the first hypothesis and show that terrestrial egg-laying
species, in the Hylinae subfamily, have more conserved climatic niche position when
compared to Hylinae species that deposits their eggs and tadpoles in main water bodies. Thus,
we suggest that reproductive modes are associated with variation in the evolution of climatic
niches of frogs.
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GURGEL, P. C. S. Reproductive modes are associated to climatic niche evolution in treefrogs (anura: hylidae). 2016. 58 f. Dissertação (Mestrado em Biodiversidade Animal) - Universidade Federal de Goiás, Goiânia, 2016.