长江三峡库区蓄水后鱼类资源现状  

Studies on Fishery Resources in the Three Gorges Reservoir of the Yangtze River

作　　者：吴强[1] 段辛斌[2] 徐树英[1] 熊传喜[1] 陈大庆[2] 

机构地区：[1]华中农业大学水产学院,武汉430070 [2]农业部淡水鱼类种质资源与生物技术重点开放实验室

出　　处：《淡水渔业》2007年第2期70-75,共6页Freshwater Fisheries

基　　金：国家自然科学基金重大项目;面上项目(NO.30490234;30371105);科技部公益项目(2005DIB3J025)

摘　　要：2005～2006年对三峡库区长江干流及主要支流的鱼类资源进行了3次流动调查，共设17个采样点，每次调查时间为1～2个月；同时在巴南和万州进行定点监测，每月2次。监测到鱼类108种，分属9目20科71属。鲢、南方鲶、鲤、黄颡鱼类、铜鱼、圆口铜鱼、长鳍吻绚、圆筒吻鲴、长吻鲍、草鱼、够类为三峡库区渔获物主要种类。不同江段的渔获物组成存在差异，渔获物中个体小型化、低龄化现象明显。Form 2005 to 2006, the fishery status of the Three Gorges reservoir was surveyed for 3 times. For each survey, 17 stations were set, and every survey last for 1 to 2 months. At the same time, point monitoring in Banan and Wanzhou section of Yangtze River was taken twice each month. The survey found 110 fishes which can be classified for 9 orders 15 families 67 genus. Hypophthalrnichthys molitrix（ Cuvier et Valenciennes ）, Silurus solldatovi（ Nikolsky et soin）, Cyprinus carpio （Linnaeus） , Pelteobagrus fulvidraco （ Richardson ） , Coreius heterodon （Bleeker） , Coreius guichenoti （ Savuage et Dabry ） , Rhinogobio ventralis （ Sauvage et Dabry ） , Rhinogobio cylindricus （Gfinther） , Leiocassis longirostris （Giinther） , Ctenopharyngodon idella （ Cuvier et Valenciennes）and Hemiculter were the main species in the Three Gorges reservoir. The catches in different sections of the river were different, and miniaturization and trent of the lower age was quite district. In catches, the number of low-aged and small individual had been getting more.

关 键 词：三峡库区 监测 鱼类资源 

分 类 号：S932.4[农业科学—渔业资源]