一、现状:当前,各地对以河蟹和青虾为代表的特种水产养殖热情持续高涨,直接表现在养殖面积逐年扩大,占整个水产养殖面积的比例不断增高,在苏州市范围内普遍超过50%,部分地方政府把这一比例列入年初指标体系,作为对渔业主管部门考核的重要依据和养殖结构调整的具体体现。在此大 First, the status quo: At present, the enthusiasm of special aquaculture represented by crabs and shrimps is continuously on the rise. The direct display is that the area of ​​aquaculture has been expanding year by year, accounting for an ever-increasing proportion of the entire aquaculture area and generally exceeding 50% . Some local governments included this proportion in the index system at the beginning of the year as an important basis for the examination of fishery authorities and the concrete manifestation of the adjustment of aquaculture structure. In this big