1Tracer tests for pollutant sources of the Zengpiyan remainder cave in Guilin, ChinaZENG Xin-ru, JIANG Guang-hui, GUO Fang, TANG Qing-jia, LIU Fan245-2532Water geochemistry and runoff process of the Yiluochi karst water systemCHEN Xu, DU Yu-ben, JIANG Liang-wen254-2613Small catchment division in the typical karst landform areas:A case study of Jinsha county, GuizhouCHEN Zhi-hu, YANG Guang-bin, YANG Chun-yan, ZHAO Lian-you262-2684Comparative study on nitrogen mineralization of soil in woodland and cropland in karst and clasolite regionsZENG Si-man, LIU Man-qiang, CHEN Xiao-yun, ZHU Tong-bin, CAO Jianhua, Christoph Müller269-273,2815The effect of heavy rain event on soil temperature and soil volumetric water content in epikarst during summerWU Xia, PAN Mou-cheng, ZHU Xiao-yan, BAI Xiao, ZHANG Bi-yun, ZHANG Mei-liang274-2816An optimized fuzzy comprehensive evaluation model for assessment of soil heavy metal contamination in tea production parks of karst mountainous regionsSUN Xiao-tao, ZHOU Zhong-fa, HUANG Zhi-ling, CHEN Sheng-zi, ZHANG Shao-yun282-2907Application of 3D electrical resistivity tomography to a tunnel in a karst areaZHANG Xin, ZHAO Ming-jie, WANG Kui, RONG Yao, LIU Qiang291-2988Variations of cave water DIC-δ3C and its influencing factors in Furong cave, Chongqing299-3069Source of cave CO2 and its spatial attributive characteristics of Zhijin Cave in Guizhou ProvinceZHANG Shao-yun, ZHOU Zhong-fa, ZHANG Qiang, XIE Ya-ting307-31310Characteristics of physical and chemical properties and associated environmental implications of the karst water in Zhijin Cave of Guizhou ProvinceCAO Ming-da, ZHOU Zhong-fa, ZHANG Qiang, XIE Ya-ting, ZHANG Shao-yun314-321,34811Review of research on element migration and environmental indicators in karst cave systemsLI Yuan, LIU Zi-qi, LV Xiao-xi322-33112Research on evolution and dynamic mechanism of the ecological carrying capacity in karst rock mountain of southwest China :A case of Guizhou ProvinceYANG Ting-feng332-33913Evaluation of urban landscape ecological security in karst areas based on 3S technologies:An example of Guiyang CityLI Xue-dong, YANG Guang-bin, ZHOU Yue, LI Bing, ZHANG Xu-ya340-348 