摘要
文章对敦化市林业局区内天然林进行样地调查。结果表明,2007年5个样地内共有样木382株; 2017年样地内共有样木490株; 2007年样地内样木的平均胸径为11. 4cm; 2017年样地内样木的平均直径为13. 2cm,样木平均单株净生长量为2. 1cm。
The sample plots of natural forests in Dunhua Forestry Bureau were surveyed. The results showed that there were 382 trees in 5 samples in 2007, 490 trees in the sample plot in 2017, the average diameter of the sample wood in 2007 was 11.4cm, and in 2017 was 13.2cm, and the average net growth of the sample trees was 2.1cm.
作者
宗翔
付万坤
郑建
郭坤
ZONG Xiang 1 FU Wankun 2 ZHENG Jian 2 GUO Kun 2(First author＇s address：Jilin Forestry Investigation and Planning Institute, Changchun 13002)
出处
《林业勘查设计》
2018年第3期53-54,共2页
Forest Investigation Design
关键词
天然林
直径
林分结构
natural forest
diameter
stand structure
