摘要
以1989年和2005年对大通县进行森林资源调查资料为依据,分析大通县森林资源消长状况,结果表明,16 a来,全县有林地面积增加了3626.5 hm2,年净增226.7 hm2,年净增率为6.25%,并对大通县林业的今后发展提出建议。
The increase and decrease situations of forest resources were analyzed according to forest resources investigation from 1989--2005 in Datong. The results showed forest area was increased 3626.5 ha, net increase was 226.7 ha, everage net increase rate was 6.25% every year. And some suggestions were offered for development forestry in Datong future.
出处
《青海农林科技》
2008年第1期40-43,共4页
Science and Technology of Qinghai Agriculture and Forestry
关键词
大通县
森林资源
消长分析
调查
Datong
Forest resources
Analysis increase and decrease
Investigation
