1Progresses and important activities of karst research during the 11th Five-Year Plan in ChinaJIANG Zhong-cheng, PEI Jian-guo, XIA Ri-yuan, ZHANG Mei-liang, LEI Ming-tang349-3542Progress of research on rocky desertification in South China Karst MountainXIONG Ping-sheng, YUAN Dao-xian, XIE Shi-you355-3623Distribution of organochlorine pesticide in the water and sediment of the Bailang Subterranean Stream in GuangxiKONG Xiang-sheng, QI Shi-hua, Oramah I T, ZHANG Yuan, HUANG Bao-jian363-3714Assessment on the antifouling property of karst groundwater in Huaibei CityZHANG Xin, HE Jiang-tao, WANG Jun-jie, Li Peng372-3775Numerical simulation for the evolution of the overflow spring in fracture-karst aquifer systemWANG Yun, YU Qing-chun, XUE Liang, MA Hao378-3846Analysis on the development characteristic of the Luoma Cave Underground River and the origin of the floodHUANG Kun, WU Ya-zun, WAN Jun-wei, XIAO Pan385-3887Grey system analysis software development for karst groundwater modelingWANG Ya-jie, HAO Yong-hong, WANG Xue-meng, LI Hua-min, ZHAO Jiao-juan389-3958Preliminary research on climate evolution and driving mechanism during the Middle Holocene in Xundian, YunnanZHANG hui-ling, QIN Jia-ming, PU Xiao-qiang396-4019Palaeo-karst development model of the Pre-Tertiary carbonate rock in Jizhong DepressionWU Kong-you, WANG Yu-jie, LI Zhu-qiang402-40910Study on response of carbonate rock dissolution rate to the season in Zhongliang Mountain, ChongqingXIE Fang, FU Wa-li, WANG Xiao-yang, PU Peng, ZHANG Lei, TAN Bo, PENG Jing-tao, ZHEN Xiao-jun410-41311Study on the regime of eco-efficiency in Guizhou Karst AreaYANG Ting-feng414-41812Research on control way for cultivated land in karst rocky desertification basin-A case in Shiqiao Basin, Bijie City and Mugong Basin, Guanling City in Guizhou ProvinceZHOU Wei, XIONG Kang-ning, GAO Jian-fei419-42413Regime of vegetation coverage in Lianjiang Watershed in North Guangdong Karst MountainWANG Xi-zhi, GAN Chun-ying, LIANG Zhao-xiong, GAO Quan-zhou425-43314Preliminary study on spatial heterogeneity of soil mineral composition and organic carbon content at different micro-habitats that under different vegetation types in karst regionLIAO Hong-kai, LONG Jian, LI Juan, YANG Jiang-jiang, FENG Ye-Qiang434-43915The migration of elements among rock, soil and vegetation in karst area-A case in karst hilly area in Bama, GuangxiMO Yuan-fu, XI Xiao-shuang, CHEN Zhong-jiang440-44416The main eco-environmental problems and prevent measures within the watercourse-type fluctuation zone-A case in Chongqing reach of the Three Gorges ReservoirSU Wei-ci, ZHANG Jun-yi445-45017Tourism environmental capacity of Wujiang Karst National Geopark in Sinan County, Guizhou Province-A case in stone forest scenic spotZHANG Hong-chao, ZENG Ke-feng, WAN Neng451-45618Research on settlement culture type and the characteristics in Guizhou Karst AreaZHAO Xing457-462 