Arid
DOI10.1007/s00267-012-0007-3
A Strategy for Prioritizing Threats and Recovery Actions for At-Risk Species
Darst, Catherine R.1; Murphy, Philip J.2; Strout, Nathan W.2; Campbell, Steven P.3; Field, Kimberleigh J.4; Allison, Linda4; Averill-Murray, Roy C.4
通讯作者Darst, Catherine R.
来源期刊ENVIRONMENTAL MANAGEMENT
ISSN0364-152X
出版年2013
卷号51期号:3页码:786-800
英文摘要

Ensuring the persistence of at-risk species depends on implementing conservation actions that ameliorate threats. We developed and implemented a method to quantify the relative importance of threats and to prioritize recovery actions based on their potential to affect risk to Mojave desert tortoises (Gopherus agassizii). We used assessments of threat importance and elasticities of demographic rates from population matrix models to estimate the relative contributions of threats to overall increase in risk to the population. We found that urbanization, human access, military operations, disease, and illegal use of off highway vehicles are the most serious threats to the desert tortoise range-wide. These results suggest that, overall, recovery actions that decrease habitat loss, predation, and crushing will be most effective for recovery; specifically, we found that habitat restoration, topic-specific environmental education, and land acquisition are most likely to result in the greatest decrease in risk to the desert tortoise across its range. In addition, we have developed an application that manages the conceptual model and all supporting information and calculates threat severity and potential effectiveness of recovery actions. Our analytical approach provides an objective process for quantifying threats, prioritizing recovery actions, and developing monitoring metrics for those actions for adaptive management of any at-risk species.


英文关键词Threats assessment Conservation planning Species recovery Endangered species Adaptive management Mojave desert tortoise
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000315416900021
WOS关键词DESERT TORTOISE ; CONSERVATION SCIENCE ; MOJAVE DESERT ; ET-AL ; ACT ; MANAGEMENT ; CALIFORNIA ; KNOWLEDGE ; QUALITY ; PLANS
WOS类目Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
来源机构University of Arizona
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/176955
作者单位1.US Fish & Wildlife Serv, Desert Tortoise Recovery Off, Ventura, CA 93003 USA;
2.Univ Redlands, Redlands Inst, Redlands, CA 92373 USA;
3.Univ Arizona, Sch Nat Resources & Environm, Tucson, AZ 85721 USA;
4.US Fish & Wildlife Serv, Desert Tortoise Recovery Off, Reno, NV 89502 USA
推荐引用方式
GB/T 7714
Darst, Catherine R.,Murphy, Philip J.,Strout, Nathan W.,et al. A Strategy for Prioritizing Threats and Recovery Actions for At-Risk Species[J]. University of Arizona,2013,51(3):786-800.
APA Darst, Catherine R..,Murphy, Philip J..,Strout, Nathan W..,Campbell, Steven P..,Field, Kimberleigh J..,...&Averill-Murray, Roy C..(2013).A Strategy for Prioritizing Threats and Recovery Actions for At-Risk Species.ENVIRONMENTAL MANAGEMENT,51(3),786-800.
MLA Darst, Catherine R.,et al."A Strategy for Prioritizing Threats and Recovery Actions for At-Risk Species".ENVIRONMENTAL MANAGEMENT 51.3(2013):786-800.
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