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The Medical Geography Characteristics of Se-poisoning in Yutangba

Mao Da jun(Sanitary And Antiepidemic Station of Enshi Prefctue, Hubei 445000)Zheng Baoshan(Institute of Geo-chemistry, chinese Academy of Sciences, Guiyang 550002)Su Hongcan(Meternity And Ehild-care Centre in Enshi Prefectue, Hubei 445000)  
Se in low-lying area in Yutangba of Enshi, originated from the slightly exposed bone coal shaded by forest in the west halfway up the mountain. In 1958, when the forest was lumbered, the early drought and subsequent rain strengthened the weathering bone coal, water-soluble Se quickly moved to low lying area ; where Se-rich plants grew, thus came the breakout of the Se-poisoning in 1965. The breakout of Se-poisoning in Yutangba results from conbined function of human andnatural egography factors.
【CateGory Index】: R599
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