[1].Elevational Variation in Reproductive Strategy of a Widespread Lizard: High-Elevation Females Lay Fewer but Larger Eggs[J].Asian Herpetological Research,2022,13(3):198-204.[doi:10.16373/j.cnki.ahr.210068]
 Gideon Gywa DEME,Xin HAO,Liang MA,et al.Elevational Variation in Reproductive Strategy of a Widespread Lizard: High-Elevation Females Lay Fewer but Larger Eggs[J].Asian Herpetological Research(AHR),2022,13(3):198-204.[doi:10.16373/j.cnki.ahr.210068]

Elevational Variation in Reproductive Strategy of a Widespread Lizard: High-Elevation Females Lay Fewer but Larger Eggs()

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



Elevational Variation in Reproductive Strategy of a Widespread Lizard: High-Elevation Females Lay Fewer but Larger Eggs
Gideon Gywa DEME12 Xin HAO3 Liang MA1 Baojun SUN1 and Weiguo DU1*
1 Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
2 University of Chinese Academy of Sciences, Beijing 100039, China
3 College of Forestry, Hainan University, Haikou 570228, Hainan, China
between-population variation clutch size egg size elevational gradient Eremias argus local adaptation reproductive output
Identifying how reproductive strategies such as the trade-off between clutch size versus egg mass vary with elevational gradients is essential for our understanding of life-history evolution. We studied lacertid lizards (Eremias argus) in China, from six populations at different altitudes, to assess elevational variation in reproductive strategy. We found significant between-population variation in maternal body size and clutch mass, but these variations were not explained by elevational differences. However, high-elevation females tended to produce smaller clutches of larger eggs compared with their low-elevation counterparts, demonstrating an elevational change in the trade-off between egg size and number. The egg size-number trade-off is a reproductive strategy that may favor large offspring, better enabling them to survive severe and unpredictable environments found at high elevations.


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更新日期/Last Update: 2022-09-25