1Evaluation status and problems of groundwater resource potential in Yunnan ProvinceWANG Yu137-1462Numerical study on surface water leakage replenishment of the Fenhe 2nd reservoir into the Jinci spring systemLIANG Tengfei, CHENG Jianmei, ZHANG Naiyan, SHI Wen, KAISAERJIANG·Aihemaiti147-1533Flow recession analysis of karst underground river basins in different karst geomorphic units in the upper reaches of the south source of the Wujiang river,Guizhou ProvinceGONG Xiaoyu, ZENG Cheng, HE Chun, CHEN Wangguang154-1634Sources and transformation of nitrate in karst groundwater of Zengpiyan site, GuilinWU Xisong, ZHANG Qiang, JIANG Guanghui, GUO Fang, WU Huaying, LUO Junhui164-1725An experimental stuty on in-situ nitrate-contaminated remediation of karst waterYE Jinxia, XIA Chunying, BU Hongzhi173-1796Analysis on water use efficiency of plants at different altitudes in karst graben basinLIANG Jintao, DENG Yan, LI Xuyao, XU Ye, CAO Jianhua180-1887Effects of agricultural cultivation on soil organic nitrogen mineralization in karst regionsWEN Dongni, YANG Cheng, YANG Lin, QIN Xinghua, MENG Lei, HE Qiuxiang, ZHU Tongbin, Christoph Müller189-1958Spatiotemporal variation of vegetation coverage in plateau mountainous areas based on remote sensing cloud computing platform: A case study of Guizhou ProvinceWU Yue, ZHOU Zhongfa, ZHAO Xin, DAN Yusheng, HUANG Denghong196-2059Characterization of karst paleo-geomorphology and the paleo-water system on the top of the 4th member of the Dengying formation in the Gaoshiti area, Sichuan basinLIU Xixiang, DAN Yong, LUO Wenjun, LIANG Bin, XU Liang, NIE Guoquan, JI Shaocong206-21410Tectono-sedimentary differentiation of lower Palaeozoic carbonate rock in Ordos basin, NW China and its implications for hydrocarbon-play generationZHANG Xiaoxing, CHEN Anqing, DANG Niu, ZHANG Chengong, ZHAO Junxing, GAO Xing, LAN Yefang, CHEN Hongde215-22411Process and influencing factors of karst ground collapse in the water source area of Tai'an-JiuxianWU Yanan225-23112Response characteristics of karst groundwater to rainstorm and the multiple regression prediction model in Dachengqiao, Ningxiang county, Hunan ProvincePAN Zongyuan, WU Yuanbin, JIA Long, YIN Renchao, MA Xiao, CHEN Ting232-24213Application of pressure water tests to evaluation of grouting effects on the karst roadbedFENG Haiming243-25014Development characteristics and research value of red carbonate stone forest in the Xiangxi geoparkWU Liangjun, CHEN Weihai, RONG Yuebing, ZHANG Jing, HUANG Chao, ZHU Haiyan, MENG Qingxin, WU Jiwen, LUO Qukan, BAI Bing, OU Mengmeng251-25815A prediction method of karst cave scale based on the binary classification model of the Gaussian processZHANG Binghui, ZHANG Yan, WANG Wei, LIANG Jiahao259-26316Characteristics of culturable bacterial communities in karst caves with different CO2 concentrations:An example of the Xueyu cave and Shuiming cave in ChongqingCHEN Jiyu, LU Zujun, HE Qiufang, LI Qiang264-27417Self-purification ability of tourist caves on a short-term scale: An example of the Dafeng cave in Suiyang countyFAN Baoxiang, ZHOU Zhongfa, ZHU Cancan, WANG Yanlin, XUE Bingqing, TANG Yuntao, TIAN Zhonghui275-285 