Arid
DOI10.1111/rec.12829
Using prey availability to evaluate Lower Colorado River riparian restoration
Rubin, Zan1; Rios-Touma, Blanca1,2; Kondolf, G. Mathias1,3; Power, Mary E.4; Saffarinia, Parsa4,5; Natali, Jennifer1
通讯作者Rubin, Zan
来源期刊RESTORATION ECOLOGY
ISSN1061-2971
EISSN1526-100X
出版年2019
卷号27期号:1页码:46-53
英文摘要The Lower Colorado River Multi-species Conservation Program (MSCP) is charged with restoring habitat for 26 species such as the southwestern willow flycatcher (Empidonax traillii extimus) impacted by water development projects on the river. As of 2015, the MSCP had spent $200 million to create 1,200 ha of habitat at nine sites, but the benefits to these insectivorous birds and other target species have not been quantified. Many MSCP projects emphasized riparian plantings of willow (Salix exigua, Salix gooddingii) and cottonwood (Populus fremontii) on high terraces disconnected from the river. We documented prey availability for insectivores in constructed habitats as an indicator of restoration effectiveness. Using sticky traps as a proxy to estimate aerial insect flux, we found the number of aquatic insects, proportion of aquatic insects, total number of insects, and number of insect orders were all significantly lower in MSCP plantation sites than at the river's edge. Riparian restoration sites over 100 m from the river had only 4% of the aquatic insects, 20% of the total insects, and only half as many insect orders as sites adjacent to the river. Thus, food availability and overall habitat quality for insectivores are likely low in restoration sites that are distant from the river.
英文关键词aquatic-terrestrial subsidies desert rivers ecological assessment effectiveness monitoring Lower Colorado River Multi-species Conservation Program southwestern willow flycatcher
类型Article
语种英语
国家USA ; Ecuador ; France
收录类别SCI-E
WOS记录号WOS:000456983000007
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
来源机构University of California, Berkeley
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/218451
作者单位1.Univ Calif Berkeley, Landscape Architecture & Environm Planning, 202 Wurster Hall, Berkeley, CA 94720 USA;
2.Univ Amer, Fac Ingn & Ciencias Agr, Grp Invest Biodiversidad Medio Ambiente & Salud B, Calle Queri & Ave Granados, EC-170137 Quito, Ecuador;
3.Univ Lyon, Coll Lyon Inst Etud Avancee, 24 Rue Jean Baldassini Allee A,2me Etage, F-69007 Lyon, France;
4.Univ Calif Berkeley, Dept Integrat Biol, 3060 Valley Life Sci Bldg 3140, Berkeley, CA 94720 USA;
5.Univ Calif Riverside, Dept Biol, Riverside, CA 92521 USA
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Rubin, Zan,Rios-Touma, Blanca,Kondolf, G. Mathias,et al. Using prey availability to evaluate Lower Colorado River riparian restoration[J]. University of California, Berkeley,2019,27(1):46-53.
APA Rubin, Zan,Rios-Touma, Blanca,Kondolf, G. Mathias,Power, Mary E.,Saffarinia, Parsa,&Natali, Jennifer.(2019).Using prey availability to evaluate Lower Colorado River riparian restoration.RESTORATION ECOLOGY,27(1),46-53.
MLA Rubin, Zan,et al."Using prey availability to evaluate Lower Colorado River riparian restoration".RESTORATION ECOLOGY 27.1(2019):46-53.
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