1Research on the division technology of karst groundwater source protection areas based on numerical simulationWANG Yang, LI Juan, XI Beidou, JI Yonghong, TANG Jun, LIU Jiancong, CUI Yali799-8092Variation of typical pollution components and pollution way of karst water in Baotu Spring regionSUN Bin, XING Liting, LI Changsuo810-8183Effects of snowfall and tourism activities on water chemistry of surface karst springs in the Jinfo MountainLIU Yue, HE Qiufang, YU Zhengliang, ZHAO Ruiyi, ZHANG Tao, LIU Ningkun819-8264Study on sources of chemical elements and geochemical susceptibility of a typical karst springSHENG Ting, YANG Pingheng, CHEN Feng, ZHAN Zhaojun, XIE Guowen827-8345Comparison of water absorption characteristic and water retention capacity of five epilithic mosses in the karst areas of Guizhou ProvinceZHANG Xianqiang, LONG Huaying, LIU Tianlei, CONG Chunlei835-8416Characteristics of soil nutrient in karst rocky regions with heavy desertification under different land-use patternsZHU Zihong, YANG Cheng, XIE Yincai, WANG Qun, ZHU Tongbin842-8497Change of vegetation coverage and its response to climatic factors in the Guanling-Zhenfeng demonstration area for reduction and control of rock desertificationCAO Yang, XIONG Kangning, DONG Xiaochao, XIAO Hua, QUAN Mingying850-8588Study on the humanistic driving framework based on territory space change in southwest karst mountainous area, ChinaWAN Jiangjun, DENG Wei, ZHANG Jifei, SONG Xueqian859-8659Spatial-temporal pattern of vegetation changes in Southwest China during 2001-2014FENG Guoyan, MA Mingguo866-87410Arsenic vertical distribution and its controlling factors in paddy soil profiles in a typical karst area, northwest of Guangxi, ChinaZHONG Cong, WANG Cheng, LI Jie, HUANG Jinlan, CHEN Meijun, HE Ping, ZHANG Xinying, HU Baoqing875-88211Detection of karst leakage passages in sick reservoirs by the self-potential method on the water: An example of the first-class hydropower station on the Jinjihe reservoirCHEN Yixiang, WU Jianqiang, HUANG Qibo, GAN Fuping, HAN Kai, WEI wei, ZHENG Zhijie883-89112Application of high-resolution tracer technique in identifying the source of water gushing and the structure of aquifer medium in karst tunnelXIE Guowen, YANG Pingheng, LU Bingqing, CHEN Feng, ZHANG Yu, CHI Yanbin, DENG Shujin892-89913Evolution trend of KRD based on high-resolution remote sensing images: An example of the east mountain, Mengzi ecological management regionTU Jienan, WANG Yi, TONG Liqiang, PEI Lixin, WANG Shanshan, GUO Zhaocheng, HE Peng, MA Zulu900-90914Difficulty degree zoning for 1∶50, 000 geological mapping in karst area based on RS and GISCHENG Yang, PAN Xingcheng910-91715Application of audio magnetotelluric method to find water in the red beds of the Fangshiping village, Huaihua CityWU Jianqiang, GAN Fuping, ZHANG Wei, LIU Yongliang, WEI Wei, ZHU Chaoqiang918-92416Determination of 36 volatile organic compounds in landfill leachate in karst areaQUAN Xiqiang, TAO Xin, QIN Suni, DU Wenyue, YU Jianguo, GUO Yongli925-93117Comprehensive value evaluation of geological heritage resources based on township division: Taking Yanjin county as an exampleDENG Yadong, LUO Shuwen, SHI Wenqiang, MENG Qingxin932-939 