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江苏省沛县是国家煤碳工业基地,境内有矿井8座,由于井下采煤,形成煤矿塌陷地1.1万亩,其中涝洼地0.7万亩,常年有水面积0.4万亩,成为水产养殖开发的新领域。从1993年起,开始探讨塌陷地改造养鱼高产技术,经过三年努力,全县已开发养鱼而积3680亩,其中改造鱼塘610亩,大水面改造精养3000亩,围栏养鱼70亩,网箱养鱼1512平方米。年均产鱼86.4万公斤,创产值604.8万元,实
Peixian in Jiangsu Province is a national coal industry base with 8 mines in the country. Due to underground coal mining, 11,000 mu of coal mine collapsed land was formed, of which 7,000 mu of waterlogged depressions and perennial water area of 0.4 million mu were developed as aquaculture New Field. Since 1993, started to explore the collapse of high-yielding fish farming technology, after three years of efforts, the county has developed 3680 acres of fish and animal products, including the transformation of 610 acres of fish ponds, 3000 acres of large surface water reform, fencing 70 Mu, fish cage 1512 square meters. The average annual output of 864,000 kilograms of fish, a production value of 6.048 million yuan, real