辽宁农业科学Issue(5):12-16,5.
北京密云森林资源评价与分析
Assessment and Analysis on Forest Resources in Miyun of Beijing
摘要
Abstract
Based on the forest inventory data for management plan during 10th and 11th Five-Years Plan, the forest resources were assessed and analyzed in Miyun Country, Beijing. The results showed that; The forest management in Miyun country, gives top priority to protective forest, and the second management is economic forest, the forest coverage rate growth steadily to 57. 18% by 2009. The large area of shrubland, 、land that should be planted trees later and have not been planted, was changed into woodland. , and timber stock vol-ume has been increasing 21.71%. Although there are many problems such as unreasonable forestry structure、 large area of pure forest and the increasing acreage of young forest, however, per unit volume has gradually in-creased. Overall, the quality of the forest in Miyun County is constantly improving, which is standing for gen-eral health level.关键词
密云/森林资源/动态变化/评价Key words
Miyun country/ Forest resources/ Dynamic change/ Assessment分类
农业科技引用本文复制引用
胡畔,王贤会,谢宝元,张春平,高广磊,任丽娜,岳鹏,徐华清..北京密云森林资源评价与分析[J].辽宁农业科学,2011,(5):12-16,5.基金项目
“十二五”“三北”地区水源涵养林体系构建技术研究与示范 ()