贵州马尾松人工林经营密度模型初探  

Preliminary Study on Managenent Density of Masson Pine Plantation in Guizhou Province

作　　者：黄家荣[1] 

机构地区：[1]贵州农学院林学系,贵阳550025

出　　处：《北京林业大学学报》1993年第4期32-37,共6页Journal of Beijing Forestry University

摘　　要：为探讨用模拟方法确定人工林的经营密度,本文以贵州马尾松人工林569块常规标准地资料为基础分析,结果表明:这些标准地对目前贵州马尾松人工林具有充分代表性;立木密度对林分平均胸径的影响最为明显,对树高影响较小;林分断面积和蓄积随立木密度的增大而上升,但当立木密度大到一定程度时,它们都有下降的趋势.基于以上分析,用动态规划方法建立了可变间伐间隔期的林分经营密度模型.该模型既符合林分生长的一般规律,又得到实地试验结果的支持,因此建议应用.In order to study the way to model management density of plantation,the paper uses Masson pine plantation in Guizhou province as an object of study and builds the dynamic programing model of the management density,on the basis of detailed analysing 569 temporary sample plots.Then,it determines the management density of Masson pine plantation in Guizhou province.This study on management density model of the mobile thinning interval overcomes the shortcoming of stationary interval which the former similar researches have,and it is convenient to practice.The model is supported by experiment which was made in Masson pine plantations in Guizhou province,so it can be put into practice.

关 键 词：马尾松 经营密度 林分模型 

分 类 号：S791.248[农业科学—林木遗传育种]