Arid
DOI10.1016/j.jaridenv.2013.05.018
Assessing regional differences in predation of endangered species: Implications from Texas populations of the endangered star cactus (Astrophytum asterias)
Ferguson, Adam W.1; Strauss, Richard E.1; Strong, Anna W.2; Birnbaum, Sandra J.3; Poole, Jackie M.3; Janssen, Gena K.4; Williamson, Paula S.2
通讯作者Ferguson, Adam W.
来源期刊JOURNAL OF ARID ENVIRONMENTS
ISSN0140-1963
EISSN1095-922X
出版年2013
卷号97页码:143-149
英文摘要

Understanding threats to endangered species is one of the most critical components of implementing a successful recovery plan. For the endangered star cactus Astrophytum asterias, both mammalian and insect herbivory have been documented as a major threat to populations in Mexico. Herein, we focus on populations of A. asterias in Texas, examining how mortality threats differ from populations found in Mexico as well as among sites within Texas. Our study supports insect and mammalian herbivory as a major threat to A. asterias in Texas, with reductions in population sizes ranging between 16 and 54%. However, our study highlights that both regional and local differences can influence rates of mortality even in a range-restricted species such as A. asterias and highlights the need to assess threats at both of these levels for effective development and implementation of endangered species recovery plans. (C) 2013 Elsevier Ltd. All rights reserved.


英文关键词Astrophytum asterias Endangered Species Act Herbivory Mortality Recovery plan Threat assessment
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000326361800019
WOS关键词RECOVERY PLANS ; CACTACEAE ; CONSERVATION ; HERBIVORES ; COMMUNITY ; MORTALITY ; DYNAMICS ; DESERT ; ACT
WOS类目Ecology ; Environmental Sciences
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/2XILL650/178085
作者单位1.Texas Tech Univ, Dept Biol Sci, Lubbock, TX 79409 USA;
2.Texas State Univ San Marcos, Dept Biol, San Marcos, TX 78666 USA;
3.Texas Parks & Wildlife Dept, Austin, TX 78744 USA;
4.Janssen Biol, Austin, TX 78749 USA
推荐引用方式
GB/T 7714
Ferguson, Adam W.,Strauss, Richard E.,Strong, Anna W.,et al. Assessing regional differences in predation of endangered species: Implications from Texas populations of the endangered star cactus (Astrophytum asterias)[J],2013,97:143-149.
APA Ferguson, Adam W..,Strauss, Richard E..,Strong, Anna W..,Birnbaum, Sandra J..,Poole, Jackie M..,...&Williamson, Paula S..(2013).Assessing regional differences in predation of endangered species: Implications from Texas populations of the endangered star cactus (Astrophytum asterias).JOURNAL OF ARID ENVIRONMENTS,97,143-149.
MLA Ferguson, Adam W.,et al."Assessing regional differences in predation of endangered species: Implications from Texas populations of the endangered star cactus (Astrophytum asterias)".JOURNAL OF ARID ENVIRONMENTS 97(2013):143-149.
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