1Spatial differentiation of soil carbonic anhydrase under different types of land useHE Yuan-yuan, LI Qiang, CAO Jian-hua, LIANG Jian-hong, ZHU Min-jie365-3702The effect of rocky desertification on the soil’s organic carbon storage in karst peak-cluster:A case study in Yanbei town,Yingde City,Guangdong ProvinceWEI Xing-hu, XU Xi-zhen, LEI Li, ZHOU Hong-yan, LI Zhong-yun371-3763Transport process of arsenic in karst subterranean stream and analysis on the influence factors:A case in Lihu subterranean stream of Nandan county,GuangxiZHANG Lian-kai, YANG Hui377-3834Application of fuzzy mathematics in risk evaluation in geothermal resources exploration in karst reservoir:A case in mountain-type karst thermal storage in ChongqingYANG Hua-lin, LI Ming-lun, LIU Bang-xian384-3905Artificial neural network simulation to zero flow of the Heilongtan spring groups in LijiangZENG Cheng, YANG Rui, YANG Ming-ming, HU Jun-chun, WU Gui-hua, FAN Yu-hong391-3976Hydrogeologic features and influence factors of zero flow of the Heilongtan spring group in LijiangKANG Xiao-bo, WANG Yu, ZHANG Hua, CAO Jin398-4037Analysis on stability of ecologically-restored slope in Qianlingshan,BeijingZHANG Hui-xu, WANG Xiao-lie, WANG Hong-cai, GUO Bin-bin, ZHU Lin-xin, ZHAO Wei-hua, LI A-wei, SUN Dong-sheng, MA Yue404-4108On the stability of slide type crag in Wu gorge bank slope, Yangtze River:A case study in WangxiaHE Xiao, CHEN Hong-kai, ZHAO Peng, LIU Li411-4189Features of the shallow karst development and control of karst collapse in WuhanLUO Xiao-jie419-43210Formation conditions of the karst collapse and treatment technology at raker’s substrate in a karst mineWANG Jun, ZHAO Qia433-436,47111Preliminary thinking of quantitative research on the mechanism of karst collapseJIN Xiao-wen, CHEN Zhi-hua, ZENG Bin, ZHANG Wen-hui, SHI Ting-ting437-44612Diagnosis of eco-environment quality in Wujiang River watershed based on RS and GISYI Wu-ying, SU Wei-ci447-45213Ecologic land protection and development of new urban district in karst mountain:A case study in the Jinyang new districtFENG Yuan-song, YANG Qing-yuan453-46114Distribution of land use pattern at different terrain gradients in karst area based on GIS:A case in Benxi village,Youyang countyLIU Ling, WANG Yong, XIE Shi-you, LONG Mi, PENG An-qi, HAN Yao-wei462-47115Variation characteristics of the radon’s concentration and protection to the harm in the Xueyu cave,ChongqingYANG Xiao-xia, ZI Tao, CHEN Bing-qing, XIANG Xu, WANG Xiao-xiao472-47916The self-potential method and its application in karst collapsesCHEN Yi-xiang, GAN Fu-ping, LU Cheng-jie, WEI Ji-yi480-486