吉林省长白县天然蒙古栎纯林蓄积量的研究

The research of natural Quercus mongolica accumulation in Jilin province changbai county

根据抽取的3块蒙古栎纯林作为研究样地,调查前后两期样地内树种的蓄积变化,分析其数据,认为蒙古栎蓄积增长量较少。从不同树种的蓄积增长率和蓄积增长量对比可知,蒙古栎的增长速率和增长量相对其它树种较少。对比前后两期生长量,3块样地的蒙古栎蓄积量都呈上升趋势,其它多数树种蓄积呈减少趋势,可以推断蒙古栎在近熟林以后,会呈持续增长的趋势。

The author extracted three pieces of Quercus mongolica pure forest as experimental sample,survey the sample area change between two periods before and after the accumulation of tree species,analyze the data,it is concluded that the accumulation of Quercus mongolica growth is less. On account of natural and human factors,three pieces of sample to have a lot of trees died,cause there are two pieces of sample less than the later period accumulation. From the accumulation of different trees species growth and accumulation increase contrast,the Quercus mongolica growth rate and growth less than other species. Comparing two periods before and after growth,3 piece of sample volume of Quercus mongolica are on the rise,the accumulation of most other species showed decrease trend,after nearly ripe forest can be concluded that the Quercus mongolica accumulation will be a trend of sustained growth.