期刊
AUSTRALIAN JOURNAL OF ZOOLOGY
卷 57, 期 6, 页码 373-375出版社
CSIRO PUBLISHING
DOI: 10.1071/ZO09097
关键词
arid zone; dasyurids; heterothermy; passive rewarming
类别
资金
- Australian Research Council
- University of New England and the Wildlife Preservation Society of Australia
We investigated the importance of energy-conserving strategies for free-ranging Planigale gilesi in arid Australia. We monitored torpor use and basking behaviour using internal temperature-sensitive transmitters. Torpor was used every day; the maximum torpor bout duration was 18.2 h and the minimum body temperature was 10.5 degrees C. Basking behaviour was observed during rewarming from torpor as well as during normothermia. The use of torpor and basking is likely to reduce the energy requirements of P. gilesi, thus helping it to survive in a harsh and unpredictable environment.
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