由于受鱼价下跌和鱼饲料涨价的双重影响,2002年张家港市养鱼利润明显下降,部分养鱼户甚至出现亏损。为了彻底摸清本市池塘养鱼的实际效益,更好地指导本市养鱼生产,最近我们对全市养鱼情况进行了一次普查。现将调查和分析情况汇总如下:一、调查方法1.调查单位类型和规模本次共调 Due to the double impact of falling fish prices and fish feed prices, the profits of fish in Zhangjiagang City dropped significantly in 2002, and some fish farmers even suffered losses. In order to thoroughly find out the actual benefits of fish farming in the city’s ponds and better guide the city’s fish production, we conducted a census of the fish farming situation in the city recently. Now the survey and analysis of the situation are summarized as follows: First, the survey method 1 survey unit type and size of this common