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目的调查无锡市自1952年以来历史有螺环境及城市湿地环境的分布现状和特点,为全市制定血吸虫病传播阻断后的监测策略提供依据。方法收集全市历史有螺环境和城市湿地环境相关信息,建立数据库,并应用谷歌地球(Google Earth)软件绘制分布图,分析各类环境特点。结果无锡市历史有螺环境共有2124个,累计历史有螺面积为2995.7 hm2,其中Ⅳ类环境871个,面积871.2 hm2,占29.1%。2013年无锡市共有城市湿地监测点61个,面积32.8 hm2,共捕获螺类1695只,未捕获到钉螺。结论无锡市历史有螺环境分布广,面积大,应重点加强对其中的IV类环境以及城市湿地的监测。
Objective To investigate the distribution status and characteristics of snail environment and urban wetland environment in Wuxi since 1952, and provide evidence for the development of monitoring strategy after schistosomiasis transmission in the city. Methods Collecting information about the historic snail environment and urban wetland environment in the city, establishing a database, and mapping the environment with Google Earth software to analyze various environmental characteristics. Results There were 2124 historic snails in Wuxi City, with a total of 2995.7 hm2 of historic snails, of which 871 were Ⅳ ones with an area of 871.2 hm2 accounting for 29.1% of the total. In 2013, there were 61 urban wetland monitoring sites in Wuxi with an area of 32.8 hm2. A total of 1695 snails were caught, and snails were not caught. Conclusion There is a wide distribution and large area of historic snails in Wuxi City, and the monitoring of Category IV environment and urban wetlands should be emphasized.