广西生态环境质量的动态驱动机制  

Dynamic driving mechanism of the ecological environment quality in Guangxi

作　　者：程道品[1] 王金叶[1] 胡新添[1] 李勇汉[1] 伍进[1] 

机构地区：[1]桂林工学院旅游学院,广西桂林541004

出　　处：《桂林工学院学报》2006年第4期591-594,共4页Journal of Guilin University of Technology

基　　金：广西哲学社会科学规划重大招标课题资助项目(AAA-0403);广西社会科学"十五"规划课题资助项目(04FJY00)

摘　　要：采用主成分分析法系统研究了自上世纪90年代以来广西生态环境质量动态变化驱动机制,结果表明,耕地面积比率、森林覆盖率、废水排放强度、废渣排放强度、人口密度等5个因素是影响生态环境质量的主要因素,其中人口密度、森林覆盖率和废水排放强度等尤为重要.因此,要改善广西生态环境质量必须从控制人口数量、提高人口质量、加强工业污染监督与防治、扩大森林植被面积等几个方面入手.Principal component analysis （PCA） is applied to study the dynamic and variation driving mechanism of the ecological environment quality in Guangxi since 1990＇s. There are five factors： the proportion of cultivation land, the intensity of discharging waste, the intensity of discharging wastewater, the forest cover rate and the density of population affecting the ecological environment quality. The last three factors are the most important ones in Guangxi. It is suggested that improving the ecological environment quality of Guangxi must be started with controlling the amount of population, as well as improving the quality of population, strengthening intendance and preventing industrial pollution and enlarging the area of forest vegetation.

关 键 词：生态环境质量 驱动 机制 主成分分析 广西 

分 类 号：X321.013[环境科学与工程—环境工程]