Remote sensing monitor and simulation prediction of cultivated and woody land changes for Three-gorges reservoir region

Types and Evaluation of Agroforestry in Southwest Mountain Area;

Based on designing the index system(ten indexes respectively belonging to economy index,favourable geographical position index and woodland status index) of timber woodland grading and evaluating in the Province of Fujian,in this paper,hierarchy analysis is adopted to evaluate index weightiness.

Based on summarizing the characteristics of occupying woodland by finished highways in Shanxi Province,from the value of the land for ecological service and biomass of different ecosystems,by our country and local laws and regulations.