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2004~2005年间对碧流河水库鲢、鳙进行取样调查分析,对渔获物中鲢、鳙的年龄、生长、回捕率及可捕群体的资源量进行了初步探讨。渔获物中鲢由Ⅱ~Ⅷ龄组成,以Ⅳ、Ⅴ龄为主;鳙由Ⅱ~Ⅸ龄组成,以Ⅳ、Ⅴ、Ⅵ龄为主。水库中鲢、鳙基本上是匀速生长。回捕率鲢为7.78%、鳙为5.09%。可捕群体资源量鲢为3.35×105kg、鳙为4.5×105kg。适宜的捕捞规格为鲢1.5~2.0 kg、鳙2.0~3.0 kg。
From 2004 to 2005, the samples of silver carp and bighead carp in the Biliuhe Reservoir were sampled and analyzed, and the age, growth, trapping rate and resource amount of the silver carp and bighead carp in the catch were analyzed preliminarily. The silver carp in the catch was composed of Ⅱ ~ Ⅷ age, mainly Ⅳ, Ⅴ age; 鳙 was composed of Ⅱ ~ Ⅸ age, mainly Ⅳ, Ⅴ, Ⅵ age. In the reservoir silver carp, 鳙 basically is the uniform growth. Trapping rate of silver carp 7.78%, 鳙 5.09%. Can catch the population of silver carp is 3.35 × 105kg, 鳙 is 4.5 × 105kg. Appropriate fishing specifications for silver carp 1.5 ~ 2.0 kg, 鳙 2.0 ~ 3.0 kg.