摘要
本文以森林资源二类调查为主要信息源,结合野外调查和统计分析,研究1985-2005年云南省元阳县林业资源的时间演变规律,并选用森林覆盖率、单位面积蓄积量、Shan—non—Wiener指数等因子对其林业资源空间分异格局进行分析,同时,选取16个林业发展影响因子,运用主成分分析和聚类分析方法测度该县各乡镇林业发展水平的差异,进而将全县林业划分为四个发展区域,并根据各分区林业生产现状确定各分区发展方向。
Based on the data of forest management inventory, combining field survey and statistical analysis, this paper analyzed the temporal changes of forestry resources of Yuanyang County between 1985-2005, then selected forest coverage, unit stock vol- ume, ecological forest area and Shannon-wiener index as the mian factors to analyze the the spatial pattern of forestry resources. Meanwhile, the 16 forestry development indicators were used to measure the different levels of forestry development of different villages and towns by principal component and hierarchical cluster ananlysis, the whole county was divided into 4 subdivisions. Ac- cording to the statistics of the subdivisions" state, we advanced the direction of forestry development of each subdivision.
出处
《国土与自然资源研究》
2013年第4期89-93,共5页
Territory & Natural Resources Study
基金
高等学校学科创新引智计划(2008-B08044)
国家自然科学基金(30970506)
关键词
资源评价
林业区划
县级
元阳
Resources evaluation
Forest division
County level
Yuanyang
作者简介
孙发明,男,江苏连云港市人,硕士生,主要研究方向为生态规划。
通讯作者:薛达元。教授,博士生导师,主要研究方向为生物多样性保护。