Zhongguo xue xi chong bing fang zhi za zhi = Chinese journal of schistosomiasis control · 2016
[Spatial and temporal characteristics of distribution of Oncomelania hupensis in Eryuan County from 2005 to 2012].
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Lu Liu, Xue-Wen Shi, Gui-Lin Mao, Hong-Ru Zhu, Guo-Jing Yang
Аннотация
OBJECTIVE: To study the spatial and temporal characteristics of Oncomelania hupensis in Eryuan County, Yunnan Province from 2005 to 2012, so as to provide the scientific evidence for snail surveillance and control.
METHODS: Based on the geographic database of O. hupensis snail distribution from 2005 to 2012, the spatial and local autocorrelation analysis and "hot spots" analysis were applied to analyze the spatial and temporal characteristics of the snails.
RESULTS: Percent of frames with O. hupensis snails in Eryuan County decreased as a whole from 2005 to 2012. The spatial clustering of global autocorrelation (Moran's I) was increasing from 2007 to 2012 and all Moran's I values showed statistically significance. The local spatial autocorrelation analysis indicated that the number of villages of High-High type of correlation model increased from 2 in 2005 to 7 in 2012, which mainly clustered in plateau canyon areas. The infected snails with High-High type mainly distributed in plateau basin region in 2007. Further "hot spot" analysis found that the living snails gathered in Xinzhuang, Liantie, Xipo and Taiping nearby areas.
CONCLUSIONS: The snail distribution in Eryuan has global and local spatial autocorrelations. The number of villages of High-High type of correlation increased. These findings provide the basis for target control of O.hupensis in the future.
METHODS: Based on the geographic database of O. hupensis snail distribution from 2005 to 2012, the spatial and local autocorrelation analysis and "hot spots" analysis were applied to analyze the spatial and temporal characteristics of the snails.
RESULTS: Percent of frames with O. hupensis snails in Eryuan County decreased as a whole from 2005 to 2012. The spatial clustering of global autocorrelation (Moran's I) was increasing from 2007 to 2012 and all Moran's I values showed statistically significance. The local spatial autocorrelation analysis indicated that the number of villages of High-High type of correlation model increased from 2 in 2005 to 7 in 2012, which mainly clustered in plateau canyon areas. The infected snails with High-High type mainly distributed in plateau basin region in 2007. Further "hot spot" analysis found that the living snails gathered in Xinzhuang, Liantie, Xipo and Taiping nearby areas.
CONCLUSIONS: The snail distribution in Eryuan has global and local spatial autocorrelations. The number of villages of High-High type of correlation increased. These findings provide the basis for target control of O.hupensis in the future.