[1].Age Structure of Females in a Breeding Population of Echinotriton chinhaiensis (Caudata: Salamandridae) and Its Conservation Implication[J].Asian Herpetological Research,2011,2(2):91-96.[doi:10.3724/SP.J.1245.2011.00091]
　Weizhao YANG,Chang LIU,Jianping JIANG,et al.Age Structure of Females in a Breeding Population of Echinotriton chinhaiensis (Caudata: Salamandridae) and Its Conservation Implication[J].Asian Herpetological Research(AHR),2011,2(2):91-96.[doi:10.3724/SP.J.1245.2011.00091]
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Age Structure of Females in a Breeding Population of Echinotriton chinhaiensis (Caudata: Salamandridae) and Its Conservation Implication()
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Asian Herpetological Research[ISSN:2095-0357/CN:51-1735/Q]

卷:
2
期数:
2011年2期
页码:
91-96
栏目:
Original Article
出版日期:
2011-06-15

文章信息/Info

Title:
Age Structure of Females in a Breeding Population of Echinotriton chinhaiensis (Caudata: Salamandridae) and Its Conservation Implication
文章编号:
AHR-2011-002
Author(s):
Weizhao YANG1; 2;  Chang LIU1;  Jianping JIANG1;  Cheng LI1 and Feng XIE1*
1 Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, Sichuan, China
2 The Graduate University of Chinese Academy of Sciences, Beijing 100049, China
Keywords:
skeletochronology;  age structure;  sexual maturity;  fecundity;  clutch size
DOI:
10.3724/SP.J.1245.2011.00091
Abstract:
Knowledge of life history is important for understanding possible connections to population declines. Here, we investigated the female age structure and fecundity of Echinotriton chinhaiensis, one of the most endangered salamanders in the world, using skeletochronology based on specimens collected in 2008 and 2009 from a population in Ruiyansi, northeast of Ningbo, Zhejiang, China. The results showed that most female salamanders were between 5 and 6 years of age, with the minimal reproductive age, predicted to be 3 years, and the clutch size correlated to the body size. We argue that both delayed attainment of sexual maturity and low fecundity make this species more vulnerable to extinction.

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更新日期/Last Update: 2016-03-15