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在西湖、王家厂水库选择团头鲂、洞庭青鲫、黄颡鱼、鳜鱼、细鳞斜颌鯝、翘嘴红鮊开展大水面名优水产品增殖,均形成了一定的群体产量,取得了较好的经济效益。2003年,增殖鱼类的捕捞量分别为18.92万kg、11.66万kg,分别占各自总捕捞量的11.15%、9.02%;产值分别为184.19万元、81.62万元,分别占各自渔业总产值的13.3%、19.9%;平均回捕率分别为28.9%、29.1%;投入产出比分别为1∶3.32、1∶3.36。
In West Lake, Wangjiachang reservior chooses Tuanitou, Dongting green crucian carp, yellow catfish, catfish, Scylla serrata, Cephalotaxus maxima to carry out large-scale aquatic products proliferation, have formed a certain group of yield, made Better economic efficiency. In 2003, the catches of proliferating fish were 189,200 kg and 116,600 kg respectively, accounting for 11.15% and 9.02% of their total catch, respectively; the output values were respectively 1,841,900 yuan and 816,200 yuan, accounting for the total output value of their respective fisheries 13.3% and 19.9% respectively; the average recovery rate was 28.9% and 29.1% respectively; and the input-output ratios were 1: 3.32 and 1: 3.36 respectively.