Preliminary Study on Division of Forest Land Grade by Progressive Clustering Model

The forest land of Fujian Province was classified into 3 grade regions and the provincial map of forest land grades was drawn by means of applying progressive clustering model I to categorize the forest land grades by appropriate factors and characteristic indices, which were properly chosen.The results would be beneficial to classification of land-price regions, rational utilization of forest land and guidance of forestry production in Fujian Province.