中文版 | English
Arid
报告编号PB2007113140
Winter Monitoring by Constant Effort Mist-Netting at the Nature Trail and Pratt Agricultural Restoration Sites, Winter 2003-04.
[unavailable]
英文摘要The lower Colorado River (LCR) travels from Lees Ferry, south of Glen Canyon Dam to the Gulf of California in Mexico. Flowing through the Mojave and Sonoran deserts, the LCR provides a large expanse of riparian vegetation in an arid environment. Riparian areas in the Southwest support a disproportionately high bird diversity and abundance; yet form less than 0.5% of the land area (Powell and Stiedl 2000). The decline of size and quality of this habitat has negatively affected the avian species that utilize it (Szaro 1980, Rosenberg et al. 1991, Powell and Stiedl 2000). Much of this habitat has decreased due to climate change, habitat destruction, agricultural land conversion, urban development, mining, overgrazing, and river regulation (U. S. Bureau of Reclamation 1996, Powell and Stiedl 2000). A search of the literature finds very little data concerning year-round bird use in xeroriparian areas of the southwest, especially in restoration sites.
英文关键词Birds Riparian areas Bird diversity Bird abundance Lower Colorado River Habitat decline Climate change Urban development Lower Colorado River (LCR)
出版年2004
语种英语
国家United States
URLhttp://r.cnki.net/KCMS/detail/detail.aspx?DbCode=KJBG&dbname=KJBGW&filename=59fb2d3531c97d1d54a00772
来源机构Bureau of Reclamation
资源类型科技报告
条目标识符http://119.78.100.177/qdio/handle/2XILL650/273280
推荐引用方式
GB/T 7714		 [unavailable]. Winter Monitoring by Constant Effort Mist-Netting at the Nature Trail and Pratt Agricultural Restoration Sites, Winter 2003-04.,2004.
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