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2008-2009年,首次采用“3S”技术手段,对祁连山自然保护区的森林资源现状进行了调查、基础数据的处理,建立了保护区土地利用和森林资源图形库和数据。经过统计分析祁连山自然保护区林地总面积931 754 hm2,占总面积的33.8%;非林地面积1 826 156 hm2,占66.2%;全区活立木总蓄积量26 517 288m3;全区森林覆盖率30.23%。与2000年相比,林地面积增加325 087.4 hm2,增长率为53.59%,活立木蓄积量增加4 858 958 m3,增长率为22.43%,森林覆盖率由原来的21.3%增长为30.23%,实现了森林面积、蓄积双增长。并对森林结构做了对比分析,除龄组结构有所变化,其它结构基本保持一致。
In 2008-2009, for the first time, “3S ” technology was used to investigate the status quo of forest resources in Qilian Mountain Nature Reserve and to process the basic data, and to establish the graphic database and data of land use and forest resources in the reserve. After statistical analysis, the total area of forest land in Qilian Mountain Nature Reserve is 931 754 hm2, accounting for 33.8% of the total area; the non-forest land area is 1 826 156 hm2, accounting for 66.2%; the total volume of living wood in the region is 26 517 288m3; %. Compared with 2000, the area of forest land increased by 325.087.4 hm2, with a growth rate of 53.59%, an increase of 4,858,958 m3 of live stock, a growth rate of 22.43%, and a forest cover rate of 30.23% from 21.3% to achieve Forest area, accumulation of double growth. The comparative analysis of forest structure, in addition to age group structure has changed, the other structures are basically the same.