干旱区生态环境知识资源中心(Arid): Accelerometer informed time-energy budgets reveal the importance of temperature to the activity of a wild, arid zone canid

Arid

DOI	10.1186/s40462-021-00246-w
	Accelerometer informed time-energy budgets reveal the importance of temperature to the activity of a wild, arid zone canid
	Tatler, Jack; Currie, Shannon E.; Cassey, Phillip; Scharf, Anne K.; Roshier, David A.; Prowse, Thomas A. A.
通讯作者	Tatler, J (corresponding author), Univ Adelaide, Invas Sci & Wildlife Ecol Lab, Adelaide, SA 5005, Australia.
来源期刊	MOVEMENT ECOLOGY
ISSN	2051-3933
出版年	2021
卷号	9 期号:1
英文摘要	Background Globally, arid regions are expanding and becoming hotter and drier with climate change. For medium and large bodied endotherms in the arid zone, the necessity to dissipate heat drives a range of adaptations, from behaviour to anatomy and physiology. Understanding how apex predators negotiate these landscapes and how they balance their energy is important as it may have broad impacts on ecosystem function. Methods We used tri-axial accelerometry (ACC) and GPS data collected from free-ranging dingoes in central Australia to investigate their activity-specific energetics, and activity patterns through time and space. We classified dingo activity into stationary, walking, and running behaviours, and estimated daily energy expenditure via activity-specific time-energy budgets developed using energy expenditure data derived from the literature. We tested whether dingoes behaviourally thermoregulate by modelling ODBA as a function of ambient temperature during the day and night. We used traditional distance measurements (GPS) as well as fine-scale activity (ODBA) data to assess their daily movement patterns. Results We retrieved ACC and GPS data from seven dingoes. Their mass-specific daily energy expenditure was significantly lower in summer (288 kJ kg(- 1) day(- 1)) than winter (495 kJ kg(- 1) day(- 1); p = 0.03). Overall, dingoes were much less active during summer where 91% of their day was spent stationary in contrast to just 46% during winter. There was a sharp decrease in ODBA with increasing ambient temperature during the day (R-2 = 0.59), whereas ODBA increased with increasing T-a at night (R-2 = 0.39). Distance and ODBA were positively correlated (R = 0.65) and produced similar crepuscular patterns of activity. Conclusion Our results indicate that ambient temperature may drive the behaviour of dingoes. Seasonal differences of daily energy expenditure in free-ranging eutherian mammals have been found in several species, though this was the first time it has been observed in a wild canid. We conclude that the negative relationship between dingo activity (ODBA) and ambient temperature during the day implies that high heat gain from solar radiation may be a factor limiting diurnal dingo activity in an arid environment.
英文关键词	Behaviour Dingo Energy expenditure ODBA Temperature Time-energy budget
类型	Article
语种	英语
开放获取类型	Green Submitted, gold, Green Published
收录类别	SCI-E
WOS记录号	WOS:000630370800001
WOS类目	Ecology
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/351173
作者单位	[Tatler, Jack; Cassey, Phillip] Univ Adelaide, Invas Sci & Wildlife Ecol Lab, Adelaide, SA 5005, Australia; [Currie, Shannon E.] Leibniz Inst Zoo & Wildlife Res, Dept Evolutionary Ecol, Alfred Kowalke Str 17, D-10315 Berlin, Germany; [Scharf, Anne K.] Max Planck Inst Anim Behav, Dept Migrat, Obstberg 1, D-78315 Radolfzell am Bodensee, Germany; [Roshier, David A.] Australian Wildlife Conservancy, POB 8070, Subiaco East, WA 6008, Australia; [Prowse, Thomas A. A.] Univ Adelaide, Sch Math Sci, Adelaide, SA 5005, Australia
推荐引用方式 GB/T 7714	Tatler, Jack,Currie, Shannon E.,Cassey, Phillip,et al. Accelerometer informed time-energy budgets reveal the importance of temperature to the activity of a wild, arid zone canid[J],2021,9(1).
APA	Tatler, Jack,Currie, Shannon E.,Cassey, Phillip,Scharf, Anne K.,Roshier, David A.,&Prowse, Thomas A. A..(2021).Accelerometer informed time-energy budgets reveal the importance of temperature to the activity of a wild, arid zone canid.MOVEMENT ECOLOGY,9(1).
MLA	Tatler, Jack,et al."Accelerometer informed time-energy budgets reveal the importance of temperature to the activity of a wild, arid zone canid".MOVEMENT ECOLOGY 9.1(2021).