四川瓦屋山自然保护区鱼类资源现状及保护对策

Status of Fish Resources and Protection Countermeasures in Wawushan Nature Resources,Sichuan Province,China

四川瓦屋山自然保护区鱼类资源一直未见报道,作者于2015年5月22-28日对保护区内主要干、支流进行鱼类物种多样性调查,共采集到鱼类3种,共57尾,隶属于2目3科3属。采集到的鱼类均为本地种,其中,鲤形目2种,鲇形目1种,分别占鱼类物种数的66.67%和占鱼类种数33.33%。保护区鱼类主要由老第三纪原始类群组成,兼有青藏高原类群组成。属于长江上游特有鱼类的1种,占鱼类种数的33.33%;属于四川省重点保护野生动物1种,占鱼类种数的33.33%。保护区鱼类从适温性、栖息水层、食性等方面分别属于不同的生态类型。目前,保护区鱼类面临的最大威胁主要是滥捕乱捕和水域生态环境的破坏,针对以上威胁提出了相应的保护对策。

The status of fish resources in the Wawushan Nature Resources has not yet been reported,so an investigation was conducted to the fish biodiversity of the main streams and branches in May 22- 28,2015. A total of 57 specimens of fish belonging to 2 species3 families and 3 orders were recorded. All the recorded were endemic. Among them,there were 4 species of Cypriniformes and 1 species of Siluriformes,accounting for 66. 67% and 33. 33% of the total species,respectively. The faunal characteristic was mainly of Later Tertiary Period Primitive group and Tibetan Plateau Group. Among them,1 species was endemic to the upper reaches of Yangtze River,accounting for 33. 33% of the total and 1 species was Sichuan provincial wild animal,accounting for 33. 33% of the total. The fish in Wawushan Nature Reserve belonged into different ecological types according to the thermophily,distribution of the water layer feeding and diet. Devastating fishing,destruction of the water ecological environment were the most serious threats to the local fishery resources,and some countermeasures were proposed for conservation and management of fish resources.