调查表明江苏血吸虫病流行区江滩具有“冬陆夏水”特征，江滩有螺面积的增加与江滩面积增长及钉螺扩散有关；
It is shown that the increase of areas with snails was correlative with the increase of areas of land along the Yangtze River in Jiangsu Province .
夏水