Biodiv Sci ›› 2007, Vol. 15 ›› Issue (2): 199-206.
• Special Issue •
Liliang Han1,2 , Yong Wang1*, Guangli Wang1, Meiwen Zhang1, Bo Li1
In order to evaluate the process of ecological restoration in Dongting Lake region, we surveyed the community structure and diversity of soil animals in October 2005. A total of 8,484 individuals, belonging to five phyla and 11 classes, were obtained from three typical habitat types, i.e., wetland restored from farm-land, farmland, and original wetland. Twenty-six species were obtained from wetland restored from farmland, of which Nematode and Acarina accounted for 66.97%, while 28 species were collected from farmland, of which Nematode and Araneae occupied 61.79%. However, only 13 species were found in the original wet-land, of which Gastropoda was the absolutely dominant group, accounting for 79.89%. The results analyzed using diversity indices (H′, E, C, D, Cj) indicated that: (1) Complexity index (Cj ) is manifested better than H' in representing the complexity and the diversity of animal communities; (2) Community diversity index (H′), had a closer relationship with evenness index (E) (P<0.05); (3) Wetland restored from farmland and the farmland were richer in soil animal taxa than the original wetland (P<0.01). In terms of soil animal individu-als, there were far more in the farmland than in the original wetland (P<0.01), whereas no significant differ-ence (P>0.05) was found between the wetland restored from farmland and in the original wetland. The results indicated that the ecological restoration process in Dongting Lake region was fairly slow and inefficient.
Liliang Han, Yong Wang, Guangli Wang, Meiwen Zhang, Bo Li. Soil animal diversity of wetland and farmland in Dongting Lake region[J]. Biodiv Sci, 2007, 15(2): 199-206.
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