1In-situ treatment of micro-polluted water supply in natural wells of karst areasZOU Sheng-zhang, ZHU Dan-ni, LI Lu-juan, LU Hai-ping, ZHOU Chang-song309-3132Patterns of karst geomorphologic combinations in areas with rich groundwaterWANG Yu, WANG Zi-wei314-3243Organochlorine and organophosphorus pesticide residuals in the top soils from typical orchards and their risk evaluation in the Lijiang River watershedXIE Yun-qiu, CHEN Yu, TANG Xiu-guan325-3304Preliminary study on contaminant of polycyclic aromatic hydrocarbons in vulnerable karst aquifer in a heavy industry districtKONG Xiang-sheng, MIAO Ying, LUAN Ri-jian, YANG Qi-yong, QIN Su-ni331-3405Chaos analysis and prediction of monthly runoff time series in the Nandong subterranean riverQIN Xing-ming, JIANG Zhong-cheng, LAN Fu-ning, Ma Zu-lu, ZHAO Yi341-3476Characteristics of heavy metal element distribution in the groundwater system of typical karst regions: A case study in Poyue underground river, Guangxi, ChinaDU Yu-chao, PEI Jiang-guo, LU Li, LIN Yong-sheng, Fan Lian-jie348-3537Comparison of the REKST model with PLEIK model in performing the antifouling analysis of karstic groundwater :A case study in the Xiangxi Dalongdong underground riverDAI Chang-hua, LI Hai-bing, PAN Zhuo, ZHAO Shuai-jun, HUANG Shu-chun354-3618A study on the pollution boundary of karst groundwater system and its antifouling performance in Dabanqiao, KunmingPENG Shu-hui, WANG Yu, HUANG Cheng, LI Qin, WANG Yu-qin362-3689Distribution characteristics and influence factors of the ammonia, nitrite and nitrate in the Lijiang River, Guilin CitySHEN Hao-yong, JIANG Guang-hui, GUO Fang, GUO Xiao-jiao369-37410Current situation of groundwater organic pollution and control measures in Guanshanhu Lake to Baiyun areas, Guiyang CityYANG Xiu-li, LUO Wei, ZOU Sheng-zhang, NING Li-yuan, ZHU Xue-shu375-38111Significance of paleokarst water supply developed in Maokou Formation in western GuizhouCHEN Ping382-38612The pollutant infiltration pathways and measures to control groundwater pollution in the Guijiang River drainage systemHE Yuan, ZHANG Ying, ZHU Ming387-39413Characteristics of pollution of the Chaoyangxi river to groundwater in Nanning of GuangxiLU Hai-ping, KONG Xiang-sheng, ZOU Sheng-zhang, MIAO Ying, LI Lu-juan395-40114Cd2+ adsorption characteristics of typical soils in karst areasZHU Dan-ni, ZOU Sheng-zhang, ZHOU Chang-song, LI Lu-juan, LU Hai-ping402-40915Characteristics of the content and distribution of heavy metals in groundwater in Mashan area, middle to lower Hongshui River, Guangxi, ChinaFAN Lian-jie, PEI Jian-guo, DU Yu-chao, LU Li, LIN Yong-sheng410-41416R-mode analysis for influencing factors of karst groundwater quality in middle and upper reaches of the Hongshuihe riverLU Li, WANG Zhe, PEI Jian-guo, DU Yu-chao, LIN Yong-sheng, FAN Lian-jie415-41917@@后插1 