Arid
DOI10.1016/j.jaridenv.2005.10.019
Mesquite recruitment in the Chihuahuan Desert: Historic and prehistoric patterns with long-term impacts
Fredrickson, EL; Estell, RE; Laliberte, A; Anderson, DM
通讯作者Fredrickson, EL
会议名称Conference on Landscape Linkages and Cross Scale Interactions in the Chihuahuan Desert held at the 6th Symposium on Natural Resources of the Chiluahuan
会议日期OCT, 2004
会议地点Alpine, TX
英文摘要

Mesquite (Prosopis glandulosa) has increased in dominance over large areas of the Chihuahuan Desert, chiefly at the expense of once expansive desert grasslands. Excessive grazing and seed dissemination by livestock are often cited as the cause of this transition. We propose an alternate hypothesis that expansion of mesquite is not simply due to cause and effect relationships during recent history; rather, mesquite expansion is a result of a series of cause and effect relationships that transpired over a much longer timeframe (millennia). We assert that mesquite expansion may have ultimately occurred in the absence of widespread livestock grazing during the last 130 years because of removal of barriers to mesquite expansion created by indigenous peoples. We explore factors that attenuate or intensify mesquite expansion, and examine how a series of fine scale, but temporally seminal, events can propagate across multiple scales. Furthermore, we examine the relevance of this hypothesis for present day remediation of shrub-dominated grasslands and conclude that knowledge of historic and prehistoric events and processes are critical to effectively manage landscapes. (c) 2005 Elsevier Ltd. All rights reserved.


英文关键词historic legacy invasive species landscape history Prosopis glandulosa seed dispersal
来源出版物JOURNAL OF ARID ENVIRONMENTS
ISSN0140-1963
EISSN1095-922X
出版年2006
卷号65
期号2
页码285-295
出版者ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
类型Article;Proceedings Paper
语种英语
国家USA
收录类别SCI-E ; CPCI-S
WOS记录号WOS:000236645400008
WOS关键词SOUTHERN NEW-MEXICO ; DESERTIFICATION ; ENCROACHMENT ; PERSPECTIVES ; EXTINCTION ; AMERICA ; LEWIS
WOS类目Ecology ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/296014
作者单位(1)USDA ARS, Jornada Expt Range, Las Cruces, NM 88003 USA
推荐引用方式
GB/T 7714
Fredrickson, EL,Estell, RE,Laliberte, A,et al. Mesquite recruitment in the Chihuahuan Desert: Historic and prehistoric patterns with long-term impacts[C]:ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD,2006:285-295.
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