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No Evidence for Significant Effect of Body Size and Age on Male Mating Success in the Spot-legged Treefrog

No Evidence for Significant Effect of Body Size and Age on Male Mating Success in the Spot-legged Treefrog
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摘要 In anurans, body size and age of individuals generally affect male mating success. To test whether body size and age have effects on male mating success in the foam-nesting treefrog Polypedates megacephalus, a species widely distributed in China, we analyzed differences in body size and age between mated and unmated males for three populations using a Generalized Linear Mixed Model(GLMM). The results showed that mated males did not exhibit larger body size and older age than unmated males, suggesting that large and/or old male individuals did not have greater mating success than small and/or young males. Moreover, we also found a non-significant size-assortative mating pattern for all populations. Our findings suggest that body size and age of the foam-nesting treefrog do not affect male mating success. In anurans, body size and age of individuals generally affect male mating success. To test whether body size and age have effects on male mating success in the foam-nesting treefrog Polypedates megacephalus, a species widely distributed in China, we analyzed differences in body size and age between mated and unmated males for three populations using a Generalized Linear Mixed Model(GLMM). The results showed that mated males did not exhibit larger body size and older age than unmated males, suggesting that large and/or old male individuals did not have greater mating success than small and/or young males. Moreover, we also found a non-significant size-assortative mating pattern for all populations. Our findings suggest that body size and age of the foam-nesting treefrog do not affect male mating success.
出处 《Asian Herpetological Research》 SCIE CSCD 2016年第1期41-45,共5页 亚洲两栖爬行动物研究(英文版)
基金 the Sichuan Province Outstanding Youth Academic Technology Leaders Program(2013JQ0016) the Students Science and Technology Innovation Fund of China(201510638016) Sichuan Province Department of Education Innovation Team Project(14TD0015 15TD0019) for providing for financial support
关键词 age body size male mating success Polypedates megacephalus size-assortative age body size male mating success Polypedates megacephalus size-assortative
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