Arid
DOI10.1007/s10344-008-0234-3
Mining activity and habitat use by mountain sheep (Ovis canadensis)
Bleich, Vernon C.1; Davis, James H.1; Marshal, Jason P.2; Torres, Steven G.3; Gonzales, Ben J.3
通讯作者Bleich, Vernon C.
来源期刊EUROPEAN JOURNAL OF WILDLIFE RESEARCH
ISSN1612-4642
EISSN1439-0574
出版年2009
卷号55期号:3页码:183-191
英文摘要

We studied mountain sheep in the vicinity of three high-wall limestone mines in San Bernardino County, CA, USA to evaluate factors that influenced habitat use and, specifically, to investigate the influence of mining activity on distribution of those specialized ungulates. We used aerial telemetry data to estimate a resource selection function by fitting a logistic regression model and then comparing environmental characteristics at observed sheep locations to those at random locations. Distribution of mountain sheep was most influenced by a fire in 1999 that resulted in an area they avoided. Mountain sheep used steeper slopes, areas of lower terrain roughness, higher elevations, and areas closer to escape terrain than were random points. In contrast, sheep avoided areas near roads (federal and state highways, local roads, and off-road vehicle trails) but used areas near hiking trails and a railway. Water sources had the smallest effect of the factors considered, with sheep being associated with areas further from water points than were random locations. The disturbed area associated with the mines had a moderate influence on distribution, with sheep being associated with areas closer to the mine than were random points. Mining activities can alter terrain features and vegetation structure or composition in a way that promotes occupancy by sheep if they create steep slopes and rugged terrain (escape terrain) or reduce vegetation density or height (i.e., improve visibility). Whether increased occupancy reflects a benefit depends on the demographic responses of those sheep to the resources and conditions available on mine sites; information about those responses remains lacking.


英文关键词Bighorn sheep California Disturbance Habitat selection USA
类型Article
语种英语
国家USA ; South Africa
收录类别SCI-E
WOS记录号WOS:000266476800001
WOS关键词DESERT BIGHORN SHEEP ; POPULATION-DYNAMICS ; RESOURCE SELECTION ; LARGE HERBIVORES ; SIERRA-NEVADA ; MULE DEER ; CONSERVATION ; CALIFORNIA ; SURVIVAL ; MODELS
WOS类目Ecology ; Zoology
WOS研究方向Environmental Sciences & Ecology ; Zoology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/160606
作者单位1.Calif Dept Fish & Game, Sierra Nevada Bighorn Sheep Recovery Program, Bishop, CA 93514 USA;
2.Univ Witwatersrand, Sch Anim Plant & Environm Sci, ZA-2050 Johannesburg, South Africa;
3.Calif Dept Fish & Game, Wildlife Invest Lab, Rancho Cordova, CA 95670 USA
推荐引用方式
GB/T 7714
Bleich, Vernon C.,Davis, James H.,Marshal, Jason P.,et al. Mining activity and habitat use by mountain sheep (Ovis canadensis)[J],2009,55(3):183-191.
APA Bleich, Vernon C.,Davis, James H.,Marshal, Jason P.,Torres, Steven G.,&Gonzales, Ben J..(2009).Mining activity and habitat use by mountain sheep (Ovis canadensis).EUROPEAN JOURNAL OF WILDLIFE RESEARCH,55(3),183-191.
MLA Bleich, Vernon C.,et al."Mining activity and habitat use by mountain sheep (Ovis canadensis)".EUROPEAN JOURNAL OF WILDLIFE RESEARCH 55.3(2009):183-191.
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