我国森林生态系统服务功能质量指标体系与评价研究

在科学性、完备性、可操作性和可比性的原则指导下,以森林生态学和系统论为基础,从森林生态系统生产力维护、森林生态系统的健康、森林分布和森林生态背景等4个方面来选择森林生态服务功能质量评价指标,从而构建森林生态系统服务功能质量评价指标体系。采用了层次分析方法、加权综合质量指数法来系统地评价中国各省区森林生态系统服务功能质量状况,同时,在此基础上对各地区加权评价指标进行聚类分析,并根据聚类结果,把全国各省(区、市)划分为5个质量等级类型。聚类分析的结果显示:我国各省(区、市)间森林生态系统服务功能质量高低的基本分布格局大体上呈现出从南到北、从东到西的依次过渡趋势。

Study on the Indicator System and Evaluation of Forest Ecosystem Services in China

Under the guidance of the scientific,comprehensive,operational and comparative principles and based on fundamentals of forest ecology and system science,this paper puts forward that the composite index system of regional forest ecosystem service quality evaluation is composed of forest ecosystem productivity,forest ecosystem health,distribution of forest and background of eco-environmental quality.The value of forest ecosystem service quality for the provinces in China is analyzed by the method of AHP and the weighed average composite quality index.On the basis of such an analysis,cluster analysis on weighted evaluation indicators of the provinces is made.Then,the provinces are divided into 5 classes for forest ecosystem service quality.The results reveal that the fundamental spatial pattern is characterized by high levels distributed in the southeast provinces probably due to relatively higher precipitation,Then the levels rapidly decrease from the southeast provinces to the northwest provinces.