干旱区生态环境知识资源中心(Arid): Nine months in the Simpson Desert: The anatomy of a letter-winged kite breeding irruption

Arid

DOI	10.1016/j.jaridenv.2020.104138
	Nine months in the Simpson Desert: The anatomy of a letter-winged kite breeding irruption
	Pavey, Chris R.1; Nunn, Lisa M.2; Nunn, Peter J.2; Nano, Catherine E. M.3
通讯作者	Pavey, Chris R.
来源期刊	JOURNAL OF ARID ENVIRONMENTS
ISSN	0140-1963
EISSN	1095-922X
出版年	2020
卷号	177
英文摘要	Highly mobile animals in the world's drylands can have distinct core and irruptive ranges with the latter being occupied only during population outbreaks driven by resource pulses. Breeding events occur within the irruptive range during these periods of high resource availability. Here we quantify such an event involving the letter-winged kite (Elanus scriptus) in the Simpson Desert, Australia; a region that experiences major rainfall-driven pulses in primary productivity. The irruption of kites lasted for a minimum of nine months (12 July 2016 to 24 May 2017). Breeding was confined to July-October 2016. Population size rose from an initial count of 22 adults in July to a peak of 38 adults and 19 juveniles in October 2016. The pattern of aggregation during 2016 consisted of dispersed breeding individuals whereas by 2017 this pattern was replaced by larger non-breeding aggregations. Kites arrived in the area when small mammal abundance was relatively low, but was increasing, and bred as the abundance of small mammals reached its peak. Unexpectedly, kites departed the area when abundance of small mammals was still high and sufficient to support an additional breeding event in winter-spring 2017. Our study provides insights in to the duration and size of breeding events in the irruptive range of nomadic birds. From a management perspective it identifies the importance of the keystone tree species, Acacia peuce, as a nesting site.
英文关键词	Core range Keystone Irruptive range Predator Resource pulse Rodent
类型	Article
语种	英语
国家	Australia
收录类别	SCI-E
WOS记录号	WOS:000525299500009
WOS关键词	POPULATION-DYNAMICS ; RODENT OUTBREAK ; ABUNDANCE ; PRODUCTIVITY ; PREDATORS ; AUSTRALIA ; RAINFALL ; ECOLOGY
WOS类目	Ecology ; Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
来源机构	Commonwealth Scientific and Industrial Research Organisation
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/318757
作者单位	1.CSIRO Land & Water, PMB 44, Darwin, NT, Australia; 2.Pk & Wildlife Commiss Northern Terr, Alice Springs Desert Pk, Alice Springs, NT, Australia; 3.Northern Terr Govt, Flora & Fauna Div, Dept Environm & Nat Resources, Alice Springs, NT, Australia
推荐引用方式 GB/T 7714	Pavey, Chris R.,Nunn, Lisa M.,Nunn, Peter J.,et al. Nine months in the Simpson Desert: The anatomy of a letter-winged kite breeding irruption[J]. Commonwealth Scientific and Industrial Research Organisation,2020,177.
APA	Pavey, Chris R.,Nunn, Lisa M.,Nunn, Peter J.,&Nano, Catherine E. M..(2020).Nine months in the Simpson Desert: The anatomy of a letter-winged kite breeding irruption.JOURNAL OF ARID ENVIRONMENTS,177.
MLA	Pavey, Chris R.,et al."Nine months in the Simpson Desert: The anatomy of a letter-winged kite breeding irruption".JOURNAL OF ARID ENVIRONMENTS 177(2020).