Yue QI,Wei ZHAO,Yongjie HUANG,et al.Correlation between Climatic Factors and Genetic Diversity of Phrynocephalus forsythii[J].Asian Herpetological Research(AHR),2019,10(4):270-275.[doi:10.16373/j.cnki.ahr.190028]
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Correlation between Climatic Factors and Genetic Diversity of Phrynocephalus forsythii
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Asian Herpetological Research[ISSN:2095-0357/CN:51-1735/Q]

2019 VoI.10 No.4
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Correlation between Climatic Factors and Genetic Diversity of Phrynocephalus forsythii
Yue QI1 Wei ZHAO1* Yongjie HUANG2 Xiaoning WANG1 and Yangyang ZHAO1
1 Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
2 School of Nature Conservation, Beijing Forestry University, Beijing 100083, China
climatic factors genetic diversity selection pressure Phrynocephalus forsythii Tarim Basin
Global climate change is a threat to animals in nearly all biomes and ecosystems, especially for ectotherm whose life activities highly depend on environmental thermal regime. Population genetic diversity which is essential for adaptation to environmental change is a useful index for long-term species survival. In this paper, genetic diversity of eight Phrynocephalus forsythii population which distributed in Tarim Basin, China, were evaluated based on three mtDNA gene and its correlation with environment factors were investigated using RDA. Our result revealed that, the level of genetic diversity of P. forsythii populations was related to its location but there was no significant correlation between genetic distances and geographic distances in P. forsythii. However, we find that mtDNA of P. forsythii was subjected to selection pressure during evolution and population genetic diversity was significantly positively related to variation coefficient of rainfall (VCR) and altitude (AL), while significantly negatively related to longitude (N) and annual average temperature (AAT). Our result supported the previous prediction that excessive ambient heat is a threat to P. forsythii.


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Last Update: 2019-12-19