摘要
主要调查和研究了贵阳阿哈湖国家湿地公园鱼类物种,分析了其面临的主要威胁因素,为保护管理决策、采取针对性措施提供基础数据。结果表明,阿哈湖湿地公园鱼类共24种,隶属于5目10科22属,物种丰富度(D)为4.22,Shannon-Weiener多样性指数(H’)为2.83,Simpson优势度指数(Ds)为0.93,群落均匀度为(J)0.89,表明阿哈湖国家湿地公园的鱼类多样性较高;外来鱼类物种为食蚊鱼(G. affinis)、大口黑鲈(M. salmoides)和蓝鳃太阳鱼(L. gibbosus),并对保护阿哈湖湿地公园鱼类多样性提出建议。
Guiyang Aha Lake National Wetland Park was an important part of the Guiyang city forest belt and the first national wetland park in Guiyang,which plays an important role in water conservation,climate regulation and biodiversity maintenance.This study investigated the fish species in Aha Lake National Wetland Park in Guiyang and analyzed the main threat factors to provide basic data for conservation management decisions and targeted measures.The results showed that there were 24 species of fish in Aha Lake National Wetland Park,belonging to 22 genera in 10 families of 5 orders,with species richness(D)of 4.22,Shannon-Weiener diversity index(H’)of 2.83,Simpson dominance index(Ds)of 0.93,and community evenness(J)of 0.89,indicating that the fish diversity in Aha Lake National Wetland Park was high.The fish diversity in Lake Aha National Wetland Park was high.The exotic fish species were mosquito-eating fish(G.affinis),largemouth bass(M.salmoides)and bluegill sunfish(L.gibbosus).It was recommended to strengthen management supervision,public education and regular removal of exotic species to protect the fish diversity in Lake Aha Wetland Park.
作者
余春喜
张海波
苏以江
Yu Chun-xi(Guiyang Aha Lake National Wetland Park Management Division,Guiyang,Guizhou 550001)
出处
《农业灾害研究》
2023年第3期16-18,共3页
Journal of Agricultural Catastrophology