论文部分内容阅读
洞庭湖区的钉螺面积广布、血吸虫病流行 ,是我国血吸虫病流行最严重的地区之一 .分析表明 :血吸虫病是湖区的一大生态环境灾害 ;它的中间宿主钉螺孳生环境是入湖泥沙沉积恶性循环的结果 ;频繁的洪溃灾害 ,扩散了垸内钉螺 ;水利工程为钉螺的传播提供了多种途径 ,急需采取生态灭螺防病的科学对策
The area of snails in Dongting Lake is widespread and the prevalence of schistosomiasis is one of the most serious endemic areas of schistosomiasis in China.The analysis shows that schistosomiasis is a major ecological and environmental disaster in the lake area and its intermediate host snail breeding environment is the sediment into the lake Deposition of a vicious circle of results; frequent flood disasters, spread of snails within the embankment; water conservancy project for the transmission of Oncomelania provides a variety of ways, the urgent need to take ecological snail prevention and treatment of scientific measures