Agricultural land intensive utilization evaluation in the Pearl River Delta: take woodland for example

As the Pearl River Delta is located in the southern collective forest area where forestry development has remarkable regional characteristics，evaluation and analysis of woodland sustainable utilization level on the Pearl River Delta has the important guiding significance to alleviate the contradiction between supply and demand of forest products，promote the regional coordinated development. In this paper，on the basis of connotation definition about sustainable utilization of woodland in the Pearl River Delta，by establishing ecological - social - economic evaluation index system，using entropy value method to construct evaluation model，the quantitative evaluation of sustainable utilization system dynamic changes during 1992-2012 in this region was made. Results showed that in most of years，the region was at the stage of sustainable utilization，but inner system was uncoordinated in more than one year，and low level in ecological sustainability and volatility of social and economic system were the fundamental reasons.