干旱区生态环境知识资源中心(Arid): Should I stay or should I go? Indirect effects of livestock on bird nest-site selection in arid environments

Arid

DOI	10.1071/RJ18067
	Should I stay or should I go? Indirect effects of livestock on bird nest-site selection in arid environments
	Tadey, Mariana
通讯作者	Tadey, Mariana
来源期刊	RANGELAND JOURNAL
ISSN	1036-9872
EISSN	1834-7541
出版年	2019
卷号	41 期号:2 页码:147-155
英文摘要	Introduced livestock may indirectly affect bird species by decreasing vegetation structure and affecting the selection of nesting sites. This is especially true for birds that use shrubs as the raw material for nest construction or for nest placement. Nesting in inadequate supporting structures or the use of inadequate raw material for nest building may increase nest vulnerability (e.g. increasing structure weakness, falling and nest exposure to predation). Accordingly, bird species show a great variation in the selectivity of nesting sites and the raw material they use. Furnariidae family members exhibit an extraordinary diversity in nest placement and structure, which allows them to survive in different arid environments. I report here on a study of nest site selection of two common furnariid species, Leptasthenura aegithaloides and Pseudoseisura gutturalis, across a grazing gradient composed by nine independent paddocks within the same arid habitat. These species use large closed-nests (>40 cm long) built with thorny branches, placed on spiny shrubs. I measured nest abundance and supporting plants characteristics, vegetation structure, browsing intensity and compared the plants selected by the birds with the surrounding vegetation. These bird species used only few plant species for nest building and location. Livestock significantly reduced vegetation cover of the species used to build and place the nests, affecting nest site selection and reducing nest abundance. As livestock density increased, both species selected aggregated plants and the tallest plants for nesting, which may increase nest exposure. Therefore, livestock may indirectly affect nest-site selection of birds ultimately affecting their nesting ecology. This work illustrates how domestic livestock, through decreasing plant cover, may affect native biota with consequences on key species within an ecosystem.
英文关键词	bird nesting ecology desert Furnariidae plant-animal interaction vegetation structure
类型	Article
语种	英语
国家	Argentina
收录类别	SCI-E
WOS记录号	WOS:000467968200005
WOS关键词	MONTE DESERT ; PREDATION ; CATTLE ; SUCCESS ; POPULATION ; VEGETATION ; WOODLAND ; DENSITY ; WETLAND ; FOREST
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/2XILL650/218309
作者单位	CONICET INIBIOMA, Lab Ecotono, Pasaje Gutierrez 1125, RA-8400 San Carlos De Bariloche, Argentina
推荐引用方式 GB/T 7714	Tadey, Mariana. Should I stay or should I go? Indirect effects of livestock on bird nest-site selection in arid environments[J],2019,41(2):147-155.
APA	Tadey, Mariana.(2019).Should I stay or should I go? Indirect effects of livestock on bird nest-site selection in arid environments.RANGELAND JOURNAL,41(2),147-155.
MLA	Tadey, Mariana."Should I stay or should I go? Indirect effects of livestock on bird nest-site selection in arid environments".RANGELAND JOURNAL 41.2(2019):147-155.

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