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根据红松阔叶林的演替规律,提出了小兴安岭天然次生幼壮林抚育的基本原则是加速恢复红松阔叶林。主要方法是在一个林型组内,对中高密度天然次生幼壮林进行抚阔保针或抚阔补针,对低密度天然次生幼壮林进行栽针(带状、团状、植生组)抚阔;按照森林抚育技术规程每公顷不同树种直径级必须保留的林木株数,用正方形图式配置法计算平均株间距离,并以此调控林分密度。
According to the law of succession of korean pine broadleaf forest, the basic principle of natural secondary virgin forest tending in Xiaoxing’anling is to accelerate the recovery of korean pine broadleaf forest. The main method is to sow needle or slender needle for middle and high density natural secondary young Zhuanglin in a forest type group, Group); according to the forest tending technical regulations per hectare different tree species diameter class must retain the number of trees, using the square pattern configuration method to calculate the average distance between trees and in order to regulate the stand density.