RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2012, Vol. 21 >> Issue (Z2): 25-.

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LAKESHORE VEGETATION IN DRINKING WATER SOURCE AREA OF EASTERN CHAOHU LAKE: COMMUNITY STRUCTURE AND RESTORATION STRATEGY

ZHANG Xiaoke1,2, LIU Xueqin1, LIU Wenzhi3   

  1. (1.Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;3.Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430072, China
  • Online:2012-12-19

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Abstract:

The Chaohu Lake is one of the five largest lakes in China,and the lakeshore ecological restoration project will be conducted in drinking water source area of Eastern Chaohu Lake.Therefore,analyzing the composition of existing vegetation will provide scientific basis for lakeshore management and restoration.By the method of transect sampling,the distribution regularity of plant communities was studied.The results showed that the total species number of this area was 47,belonging to 23 families and 40 genera.TWINSPAN classification divided the vegetation into 5 communities.DCA ordination indicated humidity and soil type were the main factors influencing the community structure and distribution of lakeshore vegetation.The relationships between hydrology and dominant species were also analyzed.The results showed that Potamogeton wrightii could be regarded as pioneer species of submerged plants,Nymphoides peltatum as pioneer species of floating plants,and Phragmites australis,Carex argyi and Typha laxmannii were suitable in inshore area.

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