1Distribution and migration of different forms of nitrogen among overlying water, pore water and sediments in karst mountain stream——A case in the Maixi RiverXIE Wei-fang, XIA Pin-hua, LIN Tao, ZHANG Bang-xi, ZHAN Jin-xing, HU Ji-wei9-152Distribution characteristics of organochlorine pesticides in karst subterranean river in LiuzhouWEI Li-li, GUO Fang, WANG Jian-zhe, KANG Cai-xia16-213Regime of water quality in Jila Subterranean River in Liuzhou based on automatic monitoringZOU Sheng-zhang, YU Xiao-ying, LU Hai-ping22-264Tank model of the Jinci Karst Groundwater system under the conditions of simultaneous draining in miningLONG Yu-qiao, LI Wei, LI Yan-ge, YANG Zhong-ping27-335Analysis on geologic-geophysical model and geophysical response of groundwater reservoir in Longan County, GuangxiZHU Qing-jun, LI Wei, LI Feng-zhe, SUN Yin-hang, LI Shu34-406Correlation analysis between low-flow recession coefficient and surface landform characteristics in karst basinXUE Xian-wu, CHEN Xi, QIN Nian-xiu, ZHAO Xu-sheng, SHI Peng41-467Division for drinking water source protective zones in karst area——A case study at Yangjiaopu in Handan CityZHAI Li-juan47-52,718Study on chemical control to Eupatorium odoratum in karst areaPAN Yu-mei, TANG Sai-chun, CEN Yan-xi, LU Shi-hong, WEI Chun-qiang, PU Gao-zhong53-589Changes of organic C, N and P in rhizosphere soil under various dominant tree species in karst rocky desertification areaLIU Fang, WANG Shi-jie, LIU Xiu-ming, PU Tong-da, CNEN Zu-yong59-6510Comparative analysis on proline content in the leaves of the ancient trees in northwest of Guangxi Karst AreaQIN Yong-rong, TAN Jing, LIU Xu-hui, YE Mei-feng, PAN Zhen-xing66-7111Land use effect on soil aggregates in the karst hilly areas——A case study in Qianjiang, Chongqing, ChinaYAN Ning-zhen, BAI Zhong-cai, XU Wei-hong, LI Yang-bing72-7712Spatial distribution of rural settlement in typical karst terrain in Guizhou Province——A case study on Hongfeng in Qinzhen City, Yachi in Bijie City and Huajiang River between Zhenfeng County and Guanling CountyZHOU Xiao-fang, ZHOU Yong-zhang78-8513Tufa algae and biological karstification at Huanglong, SichuanLI Yong-xin, TIAN You-ping, LI Yin86-9214Study on the genesis characteristics and taxonomic classification of limestone soil under grassland ecosystem in Guizhou Karst AreaYANG Liu, HE Teng-bing, SHU Ying-ge, LIU Yuan-sheng, BU Tong-da93-9915Altitude effect on δ《'18》O in stalagmites from Mt.Shennongjia, central ChinaDUAN Fu-cai, KONG Xing-gong101-104,11816Collapse function of Furong Cave in Chongqing City and its environmental effectsHUANG Bao-jian105-11217Analysis on the characteristics of underground gasoline pollutants migration in a certain karst region in Guiyang CityLUO Bing-jia113-118 