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.