广西都安澄江国家湿地公园的鱼类G-F多样性指数及保护建议

G-F Diversity Indices and Conservation Strategies on Fishes in the Du'an Chengjiang National Wetland Park

2014年3月至2015年3月对广西都安澄江国家湿地公园鱼类资源进行了调查.结果表明,湿地公园内共有鱼类65种,隶属于5目17科50属,包括鲤形目(Cypriniformes)4科44种、鲇形目(Siluriformes)3科7种、鲈形目(Perciformes)8科12种、合鳃鱼目(Synbranchiformes)和鳉形目(Cyprinodontiformes)各1科1种.研究区域内鱼类物种的DG指数为1.66,DF指数为3.04,DG-F指数为0.45.都安澄江国家湿地公园鱼类属于南东亚亚区的华南小区,主要由中国平原区系复合体、南方平原区系复合体和晚第三纪早期区系复合体组成.文章同时对湿地公园的鱼类生物多样性保护压力提出了保护建议.

Fishery resources of the Du＇ an Chengjiang National Wetland Park were investigated from March 2014 to March 2015. There were 65 species,belonging to 5 orders, 17 families and 50 genera. There were 44 species, 4 families of Cypriniformes, 7 species, 3 families of Siluriformes, 12 species, 8 families of Perciformes, and only one species of Syn- branchiformes and Cyprinodontiformes. The G-index （Do） value is 1.66, F-index （Dr） value is 3.04 and G-F index （ DG-F ） value is 0.45 of fishes in Du＇ an Chengjiang National Wetland Park. The fish fauna of the Wetland Park were composed by China Plain fish fauna complex, South Plain fish fauna complex and Early Neogene fish fauna complex. Further more, the threatens of fishes in Du＇ an Chengjiang National Wetland Park were discussed, and some conservation suggestions were offered.