Arid
DOI10.1016/j.biocon.2011.07.016
Saving the sagebrush sea: An ecosystem conservation plan for big sagebrush plant communities
Davies, Kirk W.1; Boyd, Chad S.1; Beck, Jeffrey L.2; Bates, Jon D.1; Svejcar, Tony J.1; Gregg, Michael A.3
通讯作者Davies, Kirk W.
来源期刊BIOLOGICAL CONSERVATION
ISSN0006-3207
EISSN1873-2917
出版年2011
卷号144期号:11页码:2573-2584
英文摘要

Vegetation change and anthropogenic development are altering ecosystems and decreasing biodiversity. Successful management of ecosystems threatened by multiple stressors requires development of ecosystem conservation plans rather than single species plans. We selected the big sagebrush (Artemisia tridentata Nutt.) ecosystem to demonstrate this approach. The area occupied by the sagebrush ecosystem is declining and becoming increasingly fragmented at an alarming rate because of conifer encroachment, exotic annual grass invasion, and anthropogenic development. This is causing range-wide declines and localized extirpations of sagebrush associated fauna and flora. To develop an ecosystem conservation plan, a synthesis of existing knowledge is needed to prioritize and direct management and research. Based on the synthesis, we concluded that efforts to restore higher elevation conifer-encroached, sagebrush communities were frequently successful, while restoration of exotic annual grass-invaded, lower elevation, sagebrush communities often failed. Overcoming exotic annual grass invasion is challenging and needs additional research to improve the probability of restoration and identify areas where success would be more probable. Management of fire regimes will be paramount to conserving sagebrush communities, as infrequent fires facilitate conifer encroachment and too frequent fires promote exotic annual grasses. Anthropogenic development needs to be mitigated and reduced to protect sagebrush communities and this probably includes more conservation easements and other incentives to landowners to not develop their properties. Threats to the sustainability of sagebrush ecosystem are daunting, but a coordinated ecosystem conservation plan that focuses on applying successful practices and research to overcome limitations to conservation is most likely to yield success. Published by Elsevier Ltd.


英文关键词Annual grasses Conservation easements Development Ecosystem management Mitigation Restoration Woodland encroachment
类型Review
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000295442900004
WOS关键词JUNIPER-JUNIPERUS-OCCIDENTALIS ; WINTER HABITAT SELECTION ; CHEATGRASS-DOMINATED RANGELAND ; WESTERN NORTH-AMERICA ; GREAT-BASIN DESERT ; BROMUS-TECTORUM L ; CRESTED WHEATGRASS ; SAGE-GROUSE ; INTERMOUNTAIN WEST ; VEGETATION CHANGE
WOS类目Biodiversity Conservation ; Ecology ; Environmental Sciences
WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/167376
作者单位1.USDA ARS, Eastern Oregon Agr Res Ctr, Burns, OR 97720 USA;
2.Univ Wyoming, Dept Renewable Resources, Laramie, WY 82071 USA;
3.US Fish & Wildlife Serv, Burbank, WA 99323 USA
推荐引用方式
GB/T 7714
Davies, Kirk W.,Boyd, Chad S.,Beck, Jeffrey L.,et al. Saving the sagebrush sea: An ecosystem conservation plan for big sagebrush plant communities[J],2011,144(11):2573-2584.
APA Davies, Kirk W.,Boyd, Chad S.,Beck, Jeffrey L.,Bates, Jon D.,Svejcar, Tony J.,&Gregg, Michael A..(2011).Saving the sagebrush sea: An ecosystem conservation plan for big sagebrush plant communities.BIOLOGICAL CONSERVATION,144(11),2573-2584.
MLA Davies, Kirk W.,et al."Saving the sagebrush sea: An ecosystem conservation plan for big sagebrush plant communities".BIOLOGICAL CONSERVATION 144.11(2011):2573-2584.
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