1Karstification under different land-use patterns in summer: A case study in the Qingmuguan karst valley, ChongqingLIU Wen, ZHANG Qiang, JIA Ya-nan1-62Relationship of the humus components and the calcium form with the development of limestone soilCHEN Jia-rui, CAO Jian-hua, LIANG Yi, YANG Hui7-113Study on the ecological benefit of Lippia nodiflora (L.)Greene in karst mountainLIU Xiao-yu, XIE Shi-you, LI Yong, ZHANG Yuan-zhu12-154Studies on the stability of different communities in Nonggang karst region of GuangxiZHONG Jun-di, LI Xian-kun, L(U) Shi-hong, LIU Sheng-yuan, LU Mao-xin, CHEN Yan, CHENG Xia-lan16-225Study on the distribution and sources of organochlorine pesticide in epikarst soilSUN Yu-chuan, SHANG Ying-nan, MAO Hai-hong, FU Yun, SHEN Li-cheng23-306Impact of vegetation community succession on available N, P and enzyme activity of the soil in karst hill of Guizhou ProvinceLIU Fang, LIU Yuan-sheng, BU Tong-da, CNEN Zu-yong31-357Influences of land use patterns on spatial-temporal distribution of soil organic carbon in Southeast Chongqing karst mountainYAN Ning-zhen, YANG Jian-hong, QU Ming, BAI Zhong-cai, XU Wei-hong36-398Assessment on the storage and value of soil nutrient under different grade of rocky desert in karst hilly region: A case study in small karst watersheds Wuqing and Pianyan of Guizhou ProvinceWANG Yue-rong, LU Qi, ZHOU Jin-xing, CUI Ming40-459Distribution of the rocky desertification and slope-land use patterns in Nanchuan Region of Chongqing CityXIONG Ping-sheng, YUAN Dao-xian, XIE Shi-you, BAI Yu46-5110Early warning for karst rocky desertification in agricultural land based on the 3S and ANN technique: A case study in Du’an County, GuangxiYAN Yan, HU Bao-qing, HAN Qing-yan, LI Yue-lian52-5811Research on the distribution of rural settlements in relation to landform factors in karst trough valley of Chongqing MunicipalityZHANG Xia, WEI Chao-fu, NI Jiu-pai, ZHANG Shi-chao59-6612Assessment on the intrinsic vulnerability of karst groundwater source in the Qingmuguan karst valleyZHANG Qiang67-7313Spatial distribution of nitrogen in the water from the Baihua LakeSHEN Wei, HU Ji-wei, XIE Wei-fang, ZHANG Jie, LUO Jin74-8114The effect of dry density and soil water content on yellow soil shearing strength in karst areaNI Jiu-pai, GAO Ming, WEI Chao-fu, XIE De-ti82-8615Analysis and discussion on the stability of Jinjiang Landslide under the operating conditions of earthquakeBAO Li-xin87-9316Empirical research on evaluating the satisfaction of karst cave tourism interpretation system based on the IPA analysis method: In the case of Chongqing Furong CaveSHI Ding-fang, YANG Xiao-xia, ZI Tao94-9817Review of the research on radon in karst cavesZI Tao, YANG Xiao-xia, SHI Ding-fang99-106 