1Study on geochemical behavior of high field strength elements during weathering of carbonate rocks:Evidence from leaching experiment on carbonate rockFENG Zhigang, LIU Xuanzhi, HAN Shili, MA Qiang315-3292Development features of nine poljes and structural relationship of underground river system in the southwest area of HubeiCUI Xuejie, YAN E'chuan, GAO Xu330-3353Response of base cations migration of lime soil to simulated acid rainLIU Wei, ZHOU Yunchao, ZHANG Chunlai336-3424Effects of Paleozoic carbonate rock on shale gas accumulation and exploitation in southern ChinaDAN Yon, LU Binxiong, LIANG Bin, ZHANG Qinyu, LI Jinrui343-3505Characteristics of soil and water loss in the Lijiang River Basin and soil erosion factors in typical karst small watershedsQIN Xingming, HE Binghui, SHEN Lina, WANG Kui, YU Qiwen, ZHANG Luyao351-3606Vertical distribution of NDVI in typical karst regions of Guizhou and GuangxiYU Zhuxiao, ZHANG Hongqi, XU Erqi361-3707Ecological risk assessment of heavy metals in farmland soils around karst coal mining areas:A comparison of various methodsLIU Pinzhen, JIA Yaqi, CHENG Zhifei, YANG Zhen, DU Qilu, WU Di371-3788Study on leaf litter decomposition of Loropetalum chinense and Pinus massoniana in karst areas and clastic rock areas in Maocun,GuilinTU Chunyan, HUANG Binghui, YANG Hui, BAI Bing, MO Biqin, CAO Jianhua379-3879Study on community characteristics of bryophytes in dolomite cave twilight zones: An example of the Shuidong Cave in Suiyang county,Guizhou ProvinceGUO Yun, WANG Zhihui, ZHANG Zhaohui388-39910Analysis on spatial correlation between sensitivity of rocky desertification and macroscopic geomorphology in Guizhou PlateauYAN Lihui, ZHOU Zhongfa, XIE Yating, HUANG Denghong400-40711Early warning threshold of sinkhole collapse based on dynamic characteristics from groundwater monitoring:A case study of Jinshazhou of Guangzhou,ChinaMENG Yan, HUANG Jianmin, JIA Long408-41412Dewatering induced karst collapse conditions and safety prevention and control measures in Nanning subway constructionJIANG Fuwei, ZHANG Fawang, LIU Lin, LIU Wei, LI Liang, CHEN Hang415-42013Cause analyses and prevention suggestions for the karst collapse in the Fujia village of Hunan,ChinaSUN Xiliang, CHEN Liangjing, OU Jian, CHEN Wendong421-42614Monitoring and analysis of deep buried karst soil caves based on BOTDR technologyLIU Yongli, GUAN Zhende, XIAO Henglin427-43215Relationship between development of inclined karst cave and bedrock orientation in a monoclinal structure areaLUO Shuwen, YANG Tao, CHEN Weihai, DENG Yadong, PAN Xiaodong, CHEN Hongfeng, LI Chengzhan433-43916Spatial distribution of karst cave resources in south-western Hubei regionXU Songhua440-44917Development and distribution characteristics of karst caves in the Xiangxi river basinLUO Lichuan, LIANG Xing, ZHOU Hong, XIE Kai, CHEN Biaodian450-46118Characteristics of the Doushuai karst cave in Hunan and its formation and development processDENG Xinping, YUAN Ruiqiang, PI Jiangao462-46719Study on landscape lighting of Zhangguan karst cave in ChongqingDUAN Ran, YANG Chunyu, SU Jiafu468-473 