Effects of ecological and anthropogenic factors on waterbird abundance at a Ramsar site in the Yangtze River floodplain

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  • Yong Zhang, Nanjing Forestry University, Kina
  • Anthony David Fox
  • Lei Cao, Research Center for Eco-Environmental Sciences Chinese Academy of Sciences, University of the Chinese Academy of Sciences, Kina
  • Qiang Jia, University of Science and Technology, Kina
  • Changhu Lu, Nanjing Forestry University, Kina
  • Herbert H.T. Prins, Wageningen University, Wageningen, Netherlands., Holland
  • William F. de Boer, Wageningen University, Wageningen, Netherlands., Holland

Continuing declines in abundance of many waterbird species on wetland ecosystems require explanations to support effective management interventions. We used 6 year survey data from Shengjin Lake National Nature Reserve in the Yangtze River Floodplain, China, to study the effects of ecological and anthropogenic variables as determinants of waterbird species abundance. Our results showed that effects were guild-dependent, although distance to nearest human settlements had the largest adverse effects on bird abundance across all guilds. These results suggested that although the abundance of waterbird species could be affected by habitat conditions and buffalo grazing activities, Yangtze River Wetlands would most likely benefit most from reduced pressure from the proximity to the surrounding human population. We suggest that screening and/or restricting public access at some key sites may be the most cost-efficient way to restrict or reduce human activity in these wetlands, to improve the conservation status and wintering conditions for these waterbirds.

OriginalsprogEngelsk
TidsskriftAmbio
Vol/bind48
Nummer3
Sider (fra-til)293–303
Antal sider11
ISSN0044-7447
DOI
StatusUdgivet - mar. 2019

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