Arid
DOI10.1002/rra.689
Differential macrohabitat use by birds on the unregulated Ovens River floodplain of southeastern Australia
Parkinson, A; Mac Nally, R; Quinn, GP
通讯作者Mac Nally, R
来源期刊RIVER RESEARCH AND APPLICATIONS
ISSN1535-1459
出版年2002
卷号18期号:5页码:495-506
英文摘要

In many lowland floodplains around the world, upriver interferences to flows (weirs, dams, off-takes) have led to much reduced frequency and duration of flooding. As a result, many floodplain wetlands are now inundated relatively rarely if at all. Given regulation of most lowland rivers in southeastern Australia, we assessed use of wetlands by birds in the essentially unregulated Ovens River in northeastern Victoria. Twelve sites (0.4-1.2 ha) were studied after flooding. Four sites were ’permanent billabongs’, four were temporary wetlands and the other four were randomly selected woodland sites >60 m from the nearest water body (including the river) acting as ’control’ or ’reference’ sites. Aquatic birds were not recorded using woodland sites, but many species were differentially associated with either billabongs or temporary wetlands. A surprising number of non-aquatic birds either exclusively or differentially were associated with wetland sites compared with woodland sites. We concluded that heterogeneous macrohabitat will increase local avian biodiversity on lowland floodplains. Moreover, densities and diversity of non-aquatic, woodland species also increased with the presence of wetlands. Temporary wetlands were used differently from permanent billabongs by birds, especially in foraging methods. This suggests that the reinstatement of major flooding on heavily regulated floodplains would be ecologically advantageous for birds by providing foraging and breeding opportunities. Copyright (C) 2002 John Wiley Sons, Ltd.


英文关键词Australia billabong birds floodplain Murray-Darling Basin river red guru Ovens River waterbirds wetland
类型Article
语种英语
国家Australia
收录类别SCI-E
WOS记录号WOS:000178139800006
WOS关键词COLONIALLY-NESTING WATERBIRDS ; MACQUARIE MARSHES ; POTHOLE REGION ; ARID AUSTRALIA ; WETLANDS ; COMMUNITIES ; PRAIRIE ; HABITAT ; MURRAY ; BASIN
WOS类目Environmental Sciences ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/143726
作者单位(1)Monash Univ, Australian Ctr Biodivers Anal Policy & Management, Sch Biol Sci, Clayton, Vic 3800, Australia
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GB/T 7714
Parkinson, A,Mac Nally, R,Quinn, GP. Differential macrohabitat use by birds on the unregulated Ovens River floodplain of southeastern Australia[J],2002,18(5):495-506.
APA Parkinson, A,Mac Nally, R,&Quinn, GP.(2002).Differential macrohabitat use by birds on the unregulated Ovens River floodplain of southeastern Australia.RIVER RESEARCH AND APPLICATIONS,18(5),495-506.
MLA Parkinson, A,et al."Differential macrohabitat use by birds on the unregulated Ovens River floodplain of southeastern Australia".RIVER RESEARCH AND APPLICATIONS 18.5(2002):495-506.
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