Arid
DOI10.1016/j.jaridenv.2014.08.004
Common raven occurrence in relation to energy transmission line corridors transiting human-altered sagebrush steppe
Coates, Peter S.1; Howe, Kristy B.1,2,3; Casazza, Michael L.1; Delehanty, David J.2
通讯作者Coates, Peter S.
来源期刊JOURNAL OF ARID ENVIRONMENTS
ISSN0140-1963
EISSN1095-922X
出版年2014
卷号111页码:68-78
英文摘要

Energy-related infrastructure and other human enterprises within sagebrush steppe of the American West often results in changes that promote common raven (Corvus corax; hereafter, raven) populations. Ravens, a generalist predator capable of behavioral innovation, present a threat to many species of conservation concern. We evaluate the effects of detailed features of an altered landscape on the probability of raven occurrence using extensive raven survey (n = 1045) and mapping data from southern Idaho, USA. We found nonlinear relationships between raven occurrence and distances to transmission lines, roads, and facilities. Most importantly, raven occurrence was greater with presence of transmission lines up to 2.2 km from the corridor. We further explain variation in raven occurrence along anthropogenic features based on the amount of non-native vegetation and cover type edge, such that ravens select fragmented sagebrush stands with patchy, exotic vegetative introgression. Raven occurrence also increased with greater length of edge formed by the contact of big sagebrush (Artemisia tridentata spp.) with non-native vegetation cover types. In consideration of increasing alteration of sagebrush steppe, these findings will be useful for planning energy transmission corridor placement and other management activities where conservation of sagebrush obligate species is a priority. Published by Elsevier Ltd.


英文关键词Anthropogenic development Corvus corax Energy development Habitat Probability of occurrence Resource selection probability function
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000343347700010
WOS关键词GREATER SAGE-GROUSE ; NEST PREDATION ; SELECTION ; FRAGMENTATION ; POPULATION ; PATTERNS ; DESERT ; SITES ; WEST ; DIET
WOS类目Ecology ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
来源机构United States Geological Survey
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/183057
作者单位1.US Geol Survey, Western Ecol Res Ctr, Dixon Field Stn, Dixon, CA 95620 USA;
2.Idaho State Univ, Dept Biol Sci, Pocatello, ID 83209 USA;
3.Wildlife Conservat Soc, Bozeman, MT 59715 USA
推荐引用方式
GB/T 7714
Coates, Peter S.,Howe, Kristy B.,Casazza, Michael L.,et al. Common raven occurrence in relation to energy transmission line corridors transiting human-altered sagebrush steppe[J]. United States Geological Survey,2014,111:68-78.
APA Coates, Peter S.,Howe, Kristy B.,Casazza, Michael L.,&Delehanty, David J..(2014).Common raven occurrence in relation to energy transmission line corridors transiting human-altered sagebrush steppe.JOURNAL OF ARID ENVIRONMENTS,111,68-78.
MLA Coates, Peter S.,et al."Common raven occurrence in relation to energy transmission line corridors transiting human-altered sagebrush steppe".JOURNAL OF ARID ENVIRONMENTS 111(2014):68-78.
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