1Diel aqueous chemistry and biogeochemical processes in streams of karst areasZHANG Cheng1-82Characteristics ofδ1 3 C in typical aquatic plants and carbon sequestration by plant photosynthesis in the Banzhai catchment,Maolan of Guizhou ProvinceLI Rui, YU Shi, SUN Ping-an, HE Shi-yi, YUAN Ya-qiong, XIONG Zhi-bin9-163Characteristics of cave drip water and modern carbonate (CaCO3)deposits caused by underground river artificial recharge and landscape restorationZHANG Mei-liang, ZHU Xiao-yan, WU Xia, ZHANG Bi-yuan, PAN Mou-cheng17-264Structure and evolution of the Shihua Cave in BeijingLIU Hong, ZHENG Ming-cun, DUAN Hong-wu, CHEN Hai-jian, WANG Fang, CAI Bing-gui27-345Progress of research on the response of information of karst cave drip water to ground conditionsLIU Zi-qi, XIONG Kang-ning, L Xiao-xi, ZHANG Qian-zhu, FU Chao-fan43-516Spatial-temporal distribution and causes of karst collapse in the Xuzhou areaWEI Yong-yao, SUN Shu-lin, HUANG Jing-jun, JIANG Su, MIAO Shi-xian52-577Development characters of karst collapse in the Gele mountain areaZHANG Hai-tan, LI Qing-hua, DENG Shu-jin58-638Risk assessment of karst collapse areas based on the improved fish bone model:An example of the Liuzhou area in Guangxi ProvinceCUI Yu-liang, WANG Gen-hou, LI Zhi-yong64-719Dealing with overestimates of underground river discharge in karst areas of southwestern ChinaYI Lian-xing, XIA Ri-yuan, TANG Jian-sheng, SHI Jian, LUO Weiquan, CHEN Zhen72-7810Development characteristics of buried karst under a foundation in Wuxi and sources of karst fillingsLI Xiao-nan, YAN Chang-hong, XU Bao-tian, DUAN Cheng-long, ZHOU Yin-kang79-8511The effect of land integration on soil microbial biomass carbon,nitrogen and enzyme activity in karst areas:An example of Sanba township, Fengdu county,Chongqing CityQI Le, GAO Ming, YANG Lai-shu, WANG Dan, DENG Wei86-94