甘肃康县大鲵自然保护区大鲵资源调查与分析  

Investigation and analysis on resources of the Chinese giant salamander in Kang County Nature Reserve of Gansu Province

作　　者：王永杰[1] 吕文军 王静 梁春银 王雷 刘哲[1] WANG Yongjie1, LYU Wenjun2, WANG Jing2, LIANG Chunyin3, WANG Lei2, LIU Zhe1(1.College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China; 2.Gansu Fishery Water Environment Protection Station, Lanzhou 730000, China; 3.The Administration Bureau of Kang County Chinese Giant Salamander Nature Reserve in Gansu Province, Longnan 746500,Chin)

机构地区：[1]甘肃农业大学动物科学技术学院,甘肃兰州730070 [2]甘肃省渔业水域环境保护管理站,甘肃兰州730000 [3]甘肃康县大鲵自然保护区管理局,甘肃陇南746500

出　　处：《甘肃农业大学学报》2018年第2期23-30,共8页Journal of Gansu Agricultural University

基　　金：农业部物种资源保护费(渔业)项目

摘　　要：【目的】大鲵(Andrias davidianus)是世界上现存最大的也是最珍贵的两栖动物,属于CITES附录Ⅰ,中国Ⅱ级保护动物,受胁等级为极危(CR)的濒危野生动物.了解和掌握甘肃康县大鲵资源及生境状况.【方法】2016年6-8月,对甘肃康县大鲵自然保护区大鲵资源进行了调查.【结果】该保护区野生大鲵主要分布于燕子河、清河、太平河、铜钱河、秧田河、梅园河、柯家河和素河8条河流.较上世纪末,野生资源量有较大增加,目前约4 620尾;人工养殖大鲵主要分布于阳坝乡、铜钱乡、白杨乡、三河坝乡和两河乡,人工养殖大鲵规模较大,约23 300尾.【结论】康县野生大鲵主要栖息于石沙混合、河底不规则、人为干扰较轻的深水潭中,较20世纪未野生资源量有较大增加,人工养殖规模平稳增长.【Objective】Chinese giant salamander（Andrias davidianus）is a rare and the largest amphibian in the world. It has been listed in AppendixⅠof the Convention on International Trade in Endangered Species of Wild Fauna and Flora（CITES）. It belonged to the national second-class protected animal and the critically endangered （CR） wildlife. The aim of this study was to understand well the resource and habitat condition of the Chinese giant salamander in Kang County, Gansu Province. 【Method】The resource amount and distribution of the Chinese giant salamander in Kang County natural reserve in Gansu Province was investigated from June to Augustin 2016.【Result】The wild Chinese giant salamander mainly distributed in eight rivers such as Yanzi River,Qing River, Taiping River, Tongqian River, Yangtian River,Meiyuan River, Kejia River and Su River. Compared to the end of the last century, the amount of wild Chinese giant salamander has increased significantly（about 4620 individuals）. Chinese giant salamander by artificial breeding mainly distributed in Yangba Town, Tongqian Town, Baiyang Town, Sanheba Town and Lianghe Town, the number of artificial breeding is about 23.3thousand in 2016.【Conclusion】The main babitats of wild giant salamander are usually in deep pool with sandy-stone and unregular river area. Compare to the end of 20th century, the wild resources of giant salamander have show a greater increase, and the amount of artificial breeding also has shown a stable increace.

关 键 词：康县 大鲵 自然保护区 资源调查 

分 类 号：S947.3[农业科学—水产养殖]