Biodiversity Science ›› 2009, Vol. 17 ›› Issue (3): 226-232.doi: 10.3724/SP.J.1003.2009.08217

• Editorial • Previous Article     Next Article

Waterbirds diversity, seasonal dynamics, and interspecific correlation in the wetlands of Beili and Houshui Bays, Hainan

Canchao Yang1, 2, Yan Cai1, Wei Liang1*, Guogang Zhang3, Haitao Shi1   

  1. 1 College of Life Sciences, Hainan Normal University, Haikou 571158
    2 School of Life Science, Sun Yat-sen University, Guangzhou 510275
    3 Research Institute of Forest Ecology and Environment Protection, Chinese Academy of Forestry, Beijing 100091
  • Received:2008-08-28 Revised:2008-12-31 Online:2009-05-20
  • Wei Liang

We conducted monthly waterbird surveys using random transects in Beili and Houshui Bays, Hainan Island from November 2004 to November 2005. Fifty waterbird species of 5 orders and 10 families were recorded. The waterbird species richness and abundance were the highest in November and the lowest in June. The abundance of waterbirds was correlated among species and affected seasonal dynamics and species richness. Asian dowitcher (Limnodromus semipalmatus) was recorded for the first time in Hainan Island. The endangered black-faced spoonbill (Platalea minor) occurred at the study sites from September to April. The highest number (75) of this species was observed in Beili Bay in December while the largest flock (9 in-dividuals) was present in Houshui Bay in January and February. The Shannon-Wiener index and Pielou index were higher in Beili Bay than in Houshui Bay. Differences in area and habitat heterogeneity between the two sites probably affected observed variation of waterbird community structure. Human disturbance might be an important factor altering wintering habitat of black-faced spoonbill. The results suggest that Beili and Hou-shui Bays are important wintering site of many waterbirds, particularly black-faced spoonbill; long-term monitoring and conservation programs should be considered.

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