Arid
DOI10.1002/ecs2.1442
The ghost of invasives past: rat eradication and the community composition and energy flow of island bird communities
Tabak, Michael A.1,2; Poncet, Sally3; Passfield, Ken3; Goheen, Jacob R.1,2; Del Rio, Carlos Martinez1,2,4
通讯作者Tabak, Michael A.
来源期刊ECOSPHERE
ISSN2150-8925
出版年2016
卷号7期号:8
英文摘要

In the Falkland Islands, islands with invasive rats have fewer passerine species compared to islands without rats. On islands on which rats have been eradicated, passerine species richness is indistinguishable from that found on islands historically free of rats, but community composition differs between these two island types. In particular, the most dominant species on historically rat-free islands, Cinclodes antarcticus, is less abundant and prevalent on eradicated islands. We compared passerine energy flow on islands with rats, islands from which rats have been eradicated, and islands on which rats were historically absent. Passerine communities on islands historically without rats used nine times more energy than on islands with rats present. Despite equivalent passerine species richness, passerine energy flow was approximately half on islands from which rats had been eradicated compared to historically rat-free islands. Because passerine energy flow was determined by community composition and not by species richness, passerine species within this community appear to be functionally complementary and not functionally redundant. At least one species, C. antarcticus, plays an irreplaceable role. Our results also document the dramatic and lingering effects of invasive species following their eradication, and the importance of species complementarity for the resilience of community properties.


英文关键词Cinclodes antarcticus community structure competition ecosystem energy flow eradication global change invasive species island metacommunity Rattus norvegicus species complementarity
类型Article
语种英语
国家USA ; Peoples R China
收录类别SCI-E
WOS记录号WOS:000387208900032
WOS关键词DESERT RODENT COMMUNITY ; REDUNDANCY ; BIODIVERSITY ; ECOLOGY ; EQUIVALENCE ; COMPETITION ; DIVERSITY ; ABUNDANCE ; EXULANS ; MAMMALS
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/192501
作者单位1.Univ Wyoming, Dept Zool & Physiol, 1000 E Univ Ave, Laramie, WY 82071 USA;
2.Univ Wyoming, Program Ecol, 1000 E Univ Ave, Laramie, WY 82071 USA;
3.FIQQ IZZ, Beaver Isl LandCare, POB 756, Stanley, Hong Kong, Peoples R China;
4.Univ Wyoming, Wyoming Biodivers Inst, 1000 E Univ Ave, Laramie, WY 82071 USA
推荐引用方式
GB/T 7714
Tabak, Michael A.,Poncet, Sally,Passfield, Ken,et al. The ghost of invasives past: rat eradication and the community composition and energy flow of island bird communities[J],2016,7(8).
APA Tabak, Michael A.,Poncet, Sally,Passfield, Ken,Goheen, Jacob R.,&Del Rio, Carlos Martinez.(2016).The ghost of invasives past: rat eradication and the community composition and energy flow of island bird communities.ECOSPHERE,7(8).
MLA Tabak, Michael A.,et al."The ghost of invasives past: rat eradication and the community composition and energy flow of island bird communities".ECOSPHERE 7.8(2016).
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