Arid
DOI10.1670/125-04N
Large-scale habitat associations of four desert anurans in Big Bend National Park, Texas
Dayton, GH; Jung, RE; Droege, S
通讯作者Dayton, GH
来源期刊JOURNAL OF HERPETOLOGY
ISSN0022-1511
出版年2004
卷号38期号:4页码:619-627
英文摘要

We used night driving to examine large scale habitat associations of four common desert anurans in Big Bend National Park, Texas. We examined association of soil types and vegetation communities with abundance of Couch’s Spadefoots (Scaphiopus couchii), Red-spotted Toads (Bufo punctatus), Texas Toads (Bufo speciosus), and Western Green Toads (Bufo debilis). All four species were disproportionately associated with frequently inundated soils that are relatively high in clay content. Bufo punctatus was associated with rocky soil types more frequently than the other three species. Association between all four species and vegetation types was disproportionate in relation to availability. Bufo debilis and Bufo punctatus were associated with creosote and mixed scrub vegetation. Bufo speciosus and Scaphiopus couchii were associated with mesquite scrub vegetation. Bufo debilis, Scaphiopus couchii, and B. speciosus were more tightly associated with specific habitat types, whereas B. punctatus exhibited a broader distribution across the habitat categories. Examining associations between large-scale habitat categories and species abundance is an important first step in understanding factors that influence species distributions and presence-absence across the landscape.


类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000226223100022
WOS关键词SCAPHIOPUS-COUCHII ; PREDATION ; COMPETITION ; COMMUNITY
WOS类目Zoology
WOS研究方向Zoology
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/2XILL650/147414
作者单位(1)Texas A&M Univ, Dept Wildlife & Fisheries, Texas Cooperat Wildlife Collect, College Stn, TX 77843 USA;(2)USGS, Patuxent Wildlife Res Ctr, Laurel, MD 20708 USA
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GB/T 7714
Dayton, GH,Jung, RE,Droege, S. Large-scale habitat associations of four desert anurans in Big Bend National Park, Texas[J]. United States Geological Survey,2004,38(4):619-627.
APA Dayton, GH,Jung, RE,&Droege, S.(2004).Large-scale habitat associations of four desert anurans in Big Bend National Park, Texas.JOURNAL OF HERPETOLOGY,38(4),619-627.
MLA Dayton, GH,et al."Large-scale habitat associations of four desert anurans in Big Bend National Park, Texas".JOURNAL OF HERPETOLOGY 38.4(2004):619-627.
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