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研究了雅砻江下游６个江段（点）的渔获物组成及８种主要经济鱼类的年龄、体长和体重．通过各江段渔获物组成，主要经济鱼类各龄生长情况的比较，讨论了鱼类资源的利用现状．
The composition of the catch and the age, body length and body weight of the eight major economic fishes were studied in the six rivers downstream of the Yalong River. Based on the comparison of the growth of the main economic fish at all ages, the status quo of utilization of fish resources was discussed.