"Environment Change To Prevent Schistosomiasis" And Poyang Lake Enviornmental Change(1950-1984)

At the beginning of PRC was found,The prevalence of schistosomiasis causedserious harm to the people of Jiangxi Province,the Communist Party and thegovernment organized the masses actively to carry out the work of schistosomiasiscontrol, Established a strict schistosomiasis prevention and control system which isgovernment-led, the strata of the masses closely cooperation with.Under the socialenvironment at that time, people of lake area mainly adopt4methods to change thelake ecological environment and actively carry out schistosomiasis prevention andcontrol work, which are "take the treatment of patients, sick animals and eliminate thesource of infection","reclaim the land, change of paddy fields to dry land, changingthe snail habitats environment","Open up new,fill old, eradication and fire weed, andeliminating of snails" and "using of drugs to eliminate snails,take management ofmanure and water to avoid the masses in contact with the water of snail".Between1950and1984the work of schistosomiasis control in Jiangxi hasobvious characteristics of "environment alteration", It is focus on eliminatingOncomelania snails，which is mainly by means of the change of living environment ofOncomelania snails in order to block the spread of schistosomiasis."Environmentchange to prevent schistosomiasis" had a profound influence on the change ofregional ecological environment of Poyang Lake. On one hand it had certain controleffect to the prevalence of schistosomiasis,reduced infection rates in epidemicareas,compres epidemic, do good to economic development and people’s physical andmental health besides the lake and optimize the ecological environment of epidemicarea. On the other hand it also paid a heavy environmental price,resulting in heavyenvironmental problems such as deterioration of water, flood constantly, waterpollution and the redu ction of biological diversity.