Cold tolerance and altitudinal distribution of Takydromus lizards in Taiwan

Shu Ping Huang, Ming-Chung Tu

研究成果: 雜誌貢獻文章同行評審

10 引文 斯高帕斯(Scopus)

摘要

We investigated whether cold tolerance was an important limiting factor in the current altitudinal distributions of two Takydromus lizards, T. formosanus (< 1500 m in altitude) and the lowland-dwelling T. stejnegeri (< 1000 m in altitude) in Taiwan. We measured their critical thermal minimum (CTMin) and 3 mo survival rates in 4 cold treatments, and compared these with a high-mountainous species, T. hsuehshanensis (> 1800 m in altitude). The results indicated that (1) both the CTMin and prolonged cold tolerance were correlated to their upper limit of altitudinal distributions as predicted and (2) T. formosanus and T. stejnegeri had reasonable survival rates at temperatures that were lower than the underground temperature of high altitudinal areas. We concluded that although cold tolerance was correlated with altitudinal distribution, it is not a crucial factor limiting T. formosanus and T. stejnegeri at higher altitudes.

原文英語
頁(從 - 到)438-444
頁數7
期刊Zoological Studies
47
發行號4
出版狀態已發佈 - 2008 七月 1

ASJC Scopus subject areas

  • Animal Science and Zoology

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