1ANALYSIS ON THE VARIATION OF HYDROCHEMISTRY IN KARST DYNAMIC SYSTEMLui Zhaihua, Yuan Daoxian, He Shiyi103-1082ENVIRONMENTAL GEOCHEMISTRY OF FLUORINE IN THE ROCK, SOIL AND WATER SYSTEM IN THE KARST AREAS OF CENTRAL GUIZHOUZhu Lijun, Li Jingyang, Mu Chenggang109-1153A STUDY ON KARST IN VERTICAL CIRCULATION ZONES IN FINE AND LOOSE SEDIMENTSZhao Jingbo116-1224STUDY ON THE CARBON CYCLE IN A KARST SYSTEM AT THE LUOJIAAO INTERFLUVE ALONG THE QINGJIANG RIVER OF WESTEN HUBEI, CHINAWan Junwei, Chao Nianying, Shen Jifang, Cai Jinyan123-1285THE STUDIES ON CARBON CYCLE IN DIAOSHUIHU KARST REGIONS OF JILIN PROVINCELiu Mingzhu, Zhang Yongxiang, Chen Honghan129-1346A RESEARCH ON THE STRUCTURE OF RIMSTONE DAMS AND THE HYDRAULIC CONDITIONSCheng Xing, Xiong Kangning, Chen Jin135-1427STUDY ON THE DIVERSITY AND DISTRIBUTION OF MOLLUSC, ARTHROPODA, AND CHORDATA IN HUOSHANG CAVE OF GUIZHOU PROVINCELi Daohong, Luo Rong143-1498THE DEVELOPMENT CHARACTERISTICS OF KARST CAVES IN QINGJIANG RIVER BASINWang Zengyin, Wan Junwei, Yao Changhong151-1589A VIEW OF HARNESSING FLOOD DISASTERS AND WATER DEFICIENCY IN DRY SEASONS ALONG LI RIVERLiu Jinrong, Ma Dengsheng, Shi Jie159-16810REVIEW OF THE RESEARCHES ON SOIL DEGRADATION IN KARST ENVIRONMENTYang Shengtian, Zhu Qijiang169-17511ANALYSIS ON CLASSIFICATION OF KARST NEGATIVE LANDFORMS AND IMMERSION-WATERLOGGING TIMELi Wenxing, Guo Chunqing177-18212APPLICATION OF SYSTEM DYNAMIC METHOD TO POPULATION ENVIRONMENTAL CAPACITY IN KARST AREAS——With Special Reference to Ziyun, GuizhouWang Liming, Yang Shengtian183-18913EMIGRATION THINKING AND POVERTY ALLEVIATION IN KARST AREAS WITH HARD LIVING CONDITIONS IN GUIZHOU——With a Special Reference to the Mashan Area of Ziyun CountyRong Li190-196