Abstract: Results of an evaluation of the fishery environment in Changjiang River Delta showed that the major elements influencing water quality are petrol wastes, dissolved oxygen and non ion ammonia and the delta almost has half of its waters unfit for fishery production. To counter the situation, protective measures are brought forward herein in the hope that they can arouse serious concerns from the authorities related. 

Key words: Changjiang River Delta, countermeasures, environment, fish