基于熵值法的土地利用综合效益评价 ———以珠海市白蕉镇为例

从影响土地利用的经济、社会、生态效益3个方面构建了综合效益评价指标体系,运用熵值法对评价指标进行确权,在此基础上用多因素综合分析法对珠海市白蕉镇2008-2012年的土地利用综合效益进行评价.结果表明,白蕉镇土地利用综合效益整体呈上升的趋势,其中,经济效益表现出明显的上升趋势,社会效益则处于波动上升中,生态效益表现出明显的下降趋势.

Comprehensive benefit of land use based on entropy value method in Baijiao town of Zhuhai city

Taking Baijiao town of Zhuhai city as an example, the comprehensive benefit evaluation index system was consisted of three aspects namely economic benefit, social benefit and ecological benefit of land use. We evaluated the comprehensive benefits of land use in Baijiao town by determining weight index using entropy value method and hierarchy grey comprehensive evaluation method based on the data of land use condition from 2008 to 2012. The result showed that there was an upward tendency in the whole comprehensive benefits of land use in Baijiao town. The economic benefits showed an obvious uptrend while the social benefits an up fluctuation, however, the ecological benefits showed an obvious downtrend.