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2006年9月,贺兰县启动了二类森林资源清查工作,调查涉及全县5个乡镇和4个国有或集体农林场,采用了“地理信息系统(GIS)、遥感(RS)和全球定位系统(GPS)(简称”3S“技术),调查历经行政界线转绘、遥感图像处理、解译标志建立、小班外业验证、蓄积量外业调查和成果编报等程序。2008年10月,成果通过了国家林业局西北林业调查院和自治区林业局确认和验收。本文就贺兰县森林资源现状进行评价分析。
In September 2006, Helan County started the second type of forest inventory. The investigation involved five townships and four state-owned or collective farms in the county, and adopted ”Geographic Information System (GIS), Remote Sensing (RS) and Global Positioning system (GPS) (referred to as “3S ” technology) was investigated through administrative boundary transfer, remote sensing image processing, interpretation logo establishment, small class field verification, stock volume survey and achievement compilation. In October, the results were confirmed and accepted by the State Forestry Administration Northwest Forestry Investigation Institute and the Autonomous Region Forestry Bureau.This paper evaluated and evaluated the present situation of forest resources in Helan County.