The Impact of Wetland Management on Waterbirds Diversity: a Case Study on Removing Aquatic Plants in Erhai Lake

J4 ›› 2012, Vol. 11 ›› Issue (10): 44-48.

The Impact of Wetland Management on Waterbirds Diversity: a Case Study on Removing Aquatic Plants in Erhai Lake

To analyze the impact of wetland management, especially removal of aquatic plants, on waterbirds diversity, a survey of
waterbirds diversity was conducted by direct count method at Luoshijiang artificial wetland and Shapingwan natural wetland in Erhai lake from November 1, 2010 to January 2, 2011. The results showed that: 淤after removal of aquatic plants, the waterbirds diversity indexes of the artificial wetland and the natural wetland decreased from 2.08 and 1.86 to 1.46 and 1.41, respectively, might caused by reduction of the foods and safety of waterbirds;于in contrast with to the reduction of number of species and densities of waterbirds in the natural wetland, these parameters increased in the artificial wetland after removal of aquatic plants. This might relate with the sharply increasing of one species. Finally, suggestions for effective management and conservation of waterbirds were present.

1.Institute Eastern- Himalaya Biodiversity Research, Dali University, Dali, Yunnan 671003, China;
2.Dali Erhai Conservation and Management Bureau, Dali, Yunnan 671003, China

Received:2012-01-19 Revised:2012-03-06 Online:2012-10-15 Published:2012-10-15

Abstract

Abstract:

Key words: Erhai lake, management, aquatic plants, waterbirds diversity

CLC Number:

Q958.112

FU Gui-Quan, ZHAO Zhi-Hong, YANG Jian-Ping, FANG Yi-Hao, ZHANG Jian-Wei, LI De-Pin, XIAO Wen. The Impact of Wetland Management on Waterbirds Diversity: a Case Study on Removing Aquatic Plants in Erhai Lake[J]. J4, 2012, 11(10): 44-48.

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