Methane (CH4) and carbon dioxide (CO2) emission was measured from mires in the Sanjiang Plain,Northeast China, by using a static chamber technique during free s
Japan ranks fifth in the world for the number of large dams. Environmental impacts of large dams are known, such as enormous losses of water or disruption of fi
The change in residents' perception and attitude and resort life cycle are the basic problems in the course of resort evolution. This thesis sets up the dyn
Based on the field investigations,this paper analyzes systematically the achievements and problems of constructing the demonstrating areas of the ecological reb