[1].Microhabitat Segregation of Parapatric Frogs in the Qinling Mountains[J].Asian Herpetological Research,2019,10(1):48-55.[doi:10.16373/j.cnki.ahr.180078]
 Shengnan YANG,Jianping JIANG,Zhenhua LUO,et al.Microhabitat Segregation of Parapatric Frogs in the Qinling Mountains[J].Asian Herpetological Research(AHR),2019,10(1):48-55.[doi:10.16373/j.cnki.ahr.180078]

Microhabitat Segregation of Parapatric Frogs in the Qinling Mountains()

Asian Herpetological Research[ISSN:2095-0357/CN:51-1735/Q]



Microhabitat Segregation of Parapatric Frogs in the Qinling Mountains
Shengnan YANG12 Jianping JIANG1 Zhenhua LUO3 Xin YANG1 Xiaoyi WANG1 Wenbo LIAO2 and Junhua HU1*
1 Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
2 Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education), China West Normal University, Nanchong, Sichuan 637009, China
3 School of Life Sciences, Central China Normal University, Wuhan 430079, China
coexistence contact zone microhabitat utilization niche segregation Feirana Qinling Mountains
Coexistence mechanisms for species with similar ecological traits and overlapping geographic distributions are basic questions in ecology and evolutionary biology. Specific habitat requirements often limit distribution range as well as facilitate partitioning resource utilization in ecological similar species. Understanding niche segregation and differences in microhabitat utilization can contribute to identifying coexistence mechanisms between parapatric species. Feirana quadranus and F. taihangnica are two closely related frog species with parapatric geographic ranges and an elongated contact zone within the Qinling Mountains, which is an important watershed for East Asia. Here, we analysed the difference in microhabitat utilization between the two frog species and explored the key ecological factors that induced their microhabitat differentiation based on quadrats sampled in the contact zone. Our comparison of twenty environmental variables showed that both species used microhabitats with alkalescent warm water and gentle slope conditions. The principal component analysis indicated that climate-related variables, vegetation conditions, and river width were the important factors for microhabitat utilization of these species. These findings contribute to our understanding on the coexistence mechanisms of these two related and parapatric Asian mountain frog species. This study can also be helpful for identifying target habitats to conduct conservation actions and management strategies effectively in the face of environmental changes.


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更新日期/Last Update: 2019-03-25