Arid
DOI10.1002/rra.3587
Reptile community responses to native and non-native riparian forests and disturbance along two rivers in Arizona
Bateman, Heather L.; Riddle, Sidney B.
通讯作者Bateman, Heather L.
来源期刊RIVER RESEARCH AND APPLICATIONS
ISSN1535-1459
EISSN1535-1467
出版年2020
卷号36期号:3页码:492-502
英文摘要Aridland riparian forests are undergoing compositional changes in vegetation and wildlife communities due to altered hydrology. As flows have been modified, woody vegetation has shifted from native-tree dominated to non-native and shrub encroached habitats. Squamate vertebrates such as lizards and snakes are important food web links in riparian ecosystems of the Sonoran Desert. However, little is known about how these communities might respond as riparian forests transition from native tree dominated habitats to open xeroriparian woodlands. We used pitfall arrays deployed across three types of riparian forest to document reptile community patterns, measure vegetation, and produce species-habitat models. Riparian forests differed on the basis of habitat composition and physiognomy. Two types, cottonwood-willow (Populus-Salix) and mesquite (Prosopis) stands, were characterized by high woody species richness. The third type, non-native saltcedar (Tamarix) stands, had high densities of woody debris and greater canopy coverage. Results show that lizards were common and abundances greatest in cottonwood-willow, especially for arboreal species. Species-habitat models for three of five lizard species indicated a negative association to saltcedar-invaded habitat and no species appeared to select saltcedar-dominated habitat. Mesquite was an intermediate habitat between upland and riparian, and supports high species diversity. A wildfire in the cottonwood-willow forest disproportionately affected abundance of ground-foraging whiptail (Aspidoscelis) lizards; whereas, abundance of arboreal spiny (Sceloporus) species was unchanged. Expected drivers from climate and water use could transition cottonwood forests to other woody-dominated types. Our results suggest that mesquite woodlands would provide higher quality habitat for riparian reptiles compared to non-native saltcedar stands.
英文关键词biodiversity Gila River mesquite nonnative vegetation saltcedar San Pedro River squamate wildfire
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000506421900001
WOS关键词STREAM-FLOW ; TAMARIX ; LIZARDS ; GROUNDWATER ; VEGETATION ; IMPACTS ; HABITAT ; FIRE
WOS类目Environmental Sciences ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Water Resources
EI主题词2020-01-10
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/312442
作者单位Arizona State Univ, Coll Integrat Sci & Arts, Mesa, AZ 85212 USA
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Bateman, Heather L.,Riddle, Sidney B.. Reptile community responses to native and non-native riparian forests and disturbance along two rivers in Arizona[J],2020,36(3):492-502.
APA Bateman, Heather L.,&Riddle, Sidney B..(2020).Reptile community responses to native and non-native riparian forests and disturbance along two rivers in Arizona.RIVER RESEARCH AND APPLICATIONS,36(3),492-502.
MLA Bateman, Heather L.,et al."Reptile community responses to native and non-native riparian forests and disturbance along two rivers in Arizona".RIVER RESEARCH AND APPLICATIONS 36.3(2020):492-502.
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