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Lookup NU author(s): Dr Huw Lloyd
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Habitat restoration can help mitigate the extensive loss and degradation of estuarine and coastal wetlands that have consequently eroded the integrity of many migratory flyways and wintering habitat for waterbird populations. Assessing the impact of restoration strategies however relies on empirical data on waterbird community distribution patterns across natural and restored wetland components. We conducted habitat and waterbird surveys across six natural and restored wetland regions in the Yellow River Delta Nature Reserve (YRDNR), eastern China, between 2007 and 2009. We recorded 93 waterbird species, including populations of 21 global conservation importance species. Community composition was stratified into distinctive clusters with compositional structure changing across these natural, modified and restored wetland components. NMDS ordination revealed that waterbird communities in restored wetlands were significantly different from those in natural and modified wetland components. Community distribution patterns were strongly influenced by environmental gradients (most noticeably salinity), water-level regulation, vegetation composition and differences in protected status. We found marked temporal patterns in waterbird community composition, which may be predictable for the different wetland components across the YRDNR landscape. Our study highlights the conservation benefits of restoring smaller wetland components in improving the ecological integrity of the wider wetland landscape mosaic for waterbird populations. A more coherent and intensive landscape management of water-level regulation and restoration of salinity gradients will be fundamental for wetland and waterbird conservation throughout the YRDNR. © 2010 Elsevier Ltd.
Author(s): Li D, Chen S, Guan L, Lloyd H, Liu Y, Lv J, Zhang Z
Publication type: Article
Publication status: Published
Journal: Estuarine, Coastal and Shelf Science
Year: 2011
Volume: 91
Issue: 2
Pages: 325-332
Print publication date: 18/11/2010
ISSN (print): 0272-7714
ISSN (electronic): 1096-0015
Publisher: Academic Press
URL: http://dx.doi.org/10.1016/j.ecss.2010.10.028
DOI: 10.1016/j.ecss.2010.10.028
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