南岳衡山自然保护区鱼类资源调查

摘要

南岳衡山自然保护区为我国著名的风景名胜旅游区,区内水流先后汇入湘江.2007～2009年4月和10月,对保护区内野生鱼类资源进行了系统调查.共采集鱼类标本2 309号,经鉴定为36种,隶属4目12科29属,多为山区溪流小型鱼类,区系组成以鲤形目鲤科为主.该地区鱼类生物多样性指数（H'）为2.349,均匀度指数(J)为0.455,优势度指数(λ)为0.325.优势种为南方长须鳅鮀（Gob iobotia meridionalis）和子陵栉虾虎鱼（Rhinogobius giurius）,均由3个年龄组组成,种群均处于增长阶段.%Nanyue mountain nature reserve is a well-known tourist resort in China.All of rivers in the reserve flow into xiangjiang river.By researched on the fish resources in the reserve in April and October from the year of 2007 to 2009 respectively,2 309 specimens were collected.There are 36 species and subspecies,belonging to 29 genera,12 families and 4 orders.Fishes living in swift-flowing streams were dominant.The fish fauna mainly comprised members of the family Cyprinidae of the order Cypriniformes.The Shannon-Wiene index was 2.349,with the Pielou index of 0.455 and the Simpson index 0.325.Dominant species were Gobiobotia meridionalis and Rhinogobius giurius.They are composed of three age groups and steadily growth.