Age and body size of the toad Bombina maxima in a subtropical high-altitude population

被引:0
作者
Huang, Yan [1 ]
Zhu, Hong Qing [1 ]
Liao, Yong Mel [1 ]
Jin, Long [1 ]
Liao, Wen Bo [1 ]
机构
[1] China West Normal Univ, Key Lab Southwest China Wildlife Resources Conser, Minist Educ, Nanchong 637009, Peoples R China
基金
中国国家自然科学基金;
关键词
age-size relationship; age structure; China; longevity; skeletochronology; FROG RANA-NIGROMACULATA; DIFFERENT ELEVATIONS; WESTERN CHINA; GROWTH; AMPHIBIA; ANURA; DIMORPHISM; SELECTION;
D O I
暂无
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
We used skeletochronology to determine age and body size of large-webbed bell toads (Bombina maxima) from a subtropical, high-altitude population in southwestern China. Mean age did not differ between the sexes. Minimum age at sexual maturity was two years for both sexes, and maximum longevity was six years for males and five years for females. Males were larger than females, also when accounting for the effect of age. A significant relationship between age and body size was only found for males. Sex showed no interaction with age, and age-size relationships did not differ between the sexes. These results suggest that longevity is an important factor accounting for differences in body size between the sexes.
引用
收藏
页码:229 / 232
页数:4
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