汤旺河林业局森林资源消长动态的GIS空间分析

以汤旺河林业局1988年和2008年两期林相图、地形图和森林经理调查数据为基础资料，利用地理信息系统软件ArcGIS9构建两期森林资源空间数据库，运用叠加分析法对6种地类、7种林型和2种起源的森林资源的空间消长情况进行研究的结果表明：1988--＇2008年，有林地作为该地区的优势景观要素，面积增加了9．38％；红松林...

GIS Spatial Analysis of Forest Resources Dynamic in Tangwanghe Forestry Bureau

This article is based on the forest type map,topography and survey data of Tangwanghe Forestry Bureau in 1988 and 2008,using geographic information system software ArcGIS9 to build forest resource spatial database,as well as applying overlay analysis to research the forest resources spatial dynamics of six category,seven forest types and two origins.The results showed that from 1988 to 2008,the forestwhich was the local advantage landscape elements,its area increased by 9.38%;the area of Pinus koraiensis fo...