Decision support system for watershed management: A review. Formation mechanism of flooding and waterlogging disasters in region of Dongting Lake and their ecological reducing strategies and watershed management Concept and methodology on up-scaling issue of small watershed prototypes for reconstructing ecological economies in Loess Plateau Application of Physically based Distributed Models in Forest Hydrology Invasive Alternanthera philoxeroides: biology, ecology and management Protection and development of the north America′s Great Lakes Basin: implications to management of the Poyang Lake Basin STUDY ON BENEFIT EVALUATION AND SYSTEMATIC APPRAISAL OF SMALL WATERSHED CONTROL IN LOESS PLATEAU ——TAKING HUANGJIA ERCHA AS EXAMPLE