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

Form 2005 to 2006,the fishery status of the Three Gorge s reservoir was surveyed for 3 times.For each survey,17 stations were set,and ev ery 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 11 0 fishes which can be classified for 9 orders 15 families 67 genus.Hypop hthalmichthys 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(Gunther )、Leiocassis longirostris(Gunther)、Cteno pharyngodon idella(Cuvier et Valenciennes)and Hemicult er were the main species in the Three Gorges reservoir.The catches in di fferent sections of the river were different,and miniaturization and trent of th e lower age was quite district.In catches,the number of low-aged and small indi vidual had been getting more.