江苏省江都区沿江洲滩吸沙填埋消除钉螺效果

Effect of sand buried on elimination of Oncomelania hupensis snails in marsh-land along Yangtze River in Jiangdu District,Jiangsu Province

目的评价长江下游江滩吸沙填埋灭螺效果。方法选择江苏省江都区沿江吸沙填埋项目为调查对象,采用资料回顾和现场调查方法,观察吸沙填埋后钉螺面积变化。结果共调查江都区沿江吸沙填埋项目11个,吸沙填埋后钉螺面积下降了93.73%。结论沿江地区吸沙填埋是一种行之有效的钉螺控制方法,可结合经济建设和开发项目推广应用。

Objective To evaluate the effect of sand buried on the elimination of Oncomelania snails in the marshland along the Yangtze River downstream. Methods The areas along the Yangtze River were chosen as the investigated objects in Jiangdu District,Jiangsu Province. The datum review and field investigations were used to observe the change of snail area after the sand buried. Results There were 11 sand buried projects along the Yangtze River in Jiangdu District,Jiangsu Province. The snail areas decreased by 93.73% after the sand buried. Conclusion The sand buried is an effective method of snail control in the marshland along the Yangtze River. This method can be combined with economic construction and development projects for popularization and application.