1Utilization of karst water HCO3-, Ca2+ by Chlorella vulgaris under different Cd2+ concentrations stressHU Qing-jing, WANG Pei, HUA Lei, CAO Jian-hua, LI Qiang123-1282Paleoenvironmental changes inferred from diatom and geochemistry records of lake deposits: A case study in Huixian karst wetland, GuilinWANG Liang-chi, ZHANG Qiang, XIAO Liang-jian, HU Zhi-an, LI Hong-chun, XIE Yun-qiu129-1353Recognition on recharge of Shaizhudong spring in the central Weibei, Shaanxi Province, ChinaMA Zhi-yuan, YUN Zhi-han, LI Xiu-cheng, ZOU Jian-feng, HOU Chen, WAN Wei-feng136-1454Environmental signification and characteristics of δD and δ18O variation in drip water in Yangkou cave, ChongqingWANG Hai-bo, LI Ting-yong, YUAN Na, LI Jun-yun146-1555The covered karst water resource evaluation and mining plan prediction in Daxing overlapping uplift areaNAN Tian, LI Peng, LI Xing-yu, WANG Xin-juan, XIE Zhen-hua, SHAO Jing-li156-1666Renewable assessment for geothermal resources in the karst area of Chongqing CityYANG Hua-lin, LI Ming-lun, ZHOU Shen-bo, YANG Sen167-1757Analysis of hydrological process of drip water in the aeration zone of a typical karst stone hillGUO Xiao-jiao, JIANG Guang-hui, Tang Qing-jia, Huang Si-yu, Liu Shao-hua176-1838Research about the control of geological structure on karst groundwater system in Zhangfang, BeijingQIAO Xiao-juan, HOU Quan-lin, JU Yi-wen, LIU Kai, ZHANG Yu-xiu, GUO Gao-xuan184-1919Ecological characteristic of Bryophyte communities from karst peak cluster rock desertification in Guanling county, GuizhouZHANG Tian-han, DAI Yu, WANG Zhi-hui, ZHANG Zhao-hui192-20010Assessment of the applicability of the WEPP model (Hillslope Version) for soil erosion in karst rock desertification area, Guizhou ProvinceLONG Ming-zhong, WU Ke-hua, XIONG Kang-ning201-20711Study of dynamic changes in fractional vegetation coverage in Hechi City in Guangxi karst regions based on TM imagesLIANG Zhao-xiong, WANG Xi-zhi, WEI Xing-hu, WANG Ming-chong208-21512Study on characteristics and comprehensive evaluation of the fertility of tobacco cultivated soil in Fengdu karst area, ChongqingLAN Mu-ling, GAO Ming216-22213Soil fertility evaluation of slope farmland in karst area: A case study of slope farmland in Zhongliang mountain in ChongqingWU Yu-chun, FU Wa-li, CHENG Hui, CHEN Gao-qi, WEN Zhi-lin223-23014Heavy metal pollution and toxicity assessment of interstitial water from Laolongdong subterranean river, ChongqingREN Kun, YANG Ping-heng, DU Wei, SHI Yang, REN Xiao-feng, LI Xiao-chun231-23715Distribution of OCPs in underground water and surface sediment of underground river in Chongqing's LaolongdongSHI Yang, SUN Yu-chuan, XU Xin, REN Kun, Md.Jahangir Alam238-24716Geochemical characteristics of a paleokarst-reservoir in Ordovician Majiagou formation in southern Jingbian tablelandHUO Yong, PANG Qiu-wei, LUO Shun-she, ZHAO Bo-quan, YAO Ya-bin248-25417Review of and prospects for research on karst cave lighting systemsWENG Zi-fan, YANG Xiao-xia, XIANG Xu, SHI Ding-fang255-262 