首页 | 本学科首页   官方微博 | 高级检索  
     检索      

思茅松人工林胸径断面积生长特点与初始抚育间伐期的确定
引用本文:刘永刚,冯弦,刘云彩,孟梦,雷玮,李江,陈宏伟,周云.思茅松人工林胸径断面积生长特点与初始抚育间伐期的确定[J].西部林业科学,2007,36(2):33-37.
作者姓名:刘永刚  冯弦  刘云彩  孟梦  雷玮  李江  陈宏伟  周云
作者单位:云南省林业科学院,云南,昆明650204
基金项目:云南省科技攻关项目(2004NG05-05),云南省发展和改革委员会重大科技攻关项目(云技科技182),国家科技部农业科技成果转化资金项目(02EFN216700806),国家林业局林业新技术新产品中间试验项目([2002]林科中字05号).
摘    要:应用思茅松人工林解析木所获的基础数据,建立了其林木胸径断面积生长量的Logistic曲线回归方程:y=202.134/(1 45.92 e-0.5101 t),依据此回归方程的几何特征,对思茅松人工林取样林分的林木胸径断面积生长量、断面积连年生长量的变化特点作了分析。进而确立并论述了以林木胸径断面积连年生长量确定思茅松人工林初始抚育间伐期的方法。

关 键 词:思茅松  人工林  胸径断面积  初始抚育间伐期
文章编号:1672-8246(2007)02-0033-05
修稿时间:2007-01-24

Basal Area Growth Characteristics of Pinus kesiya var.langbianensis and Determining of First Intermediate Cutting Time
LIU Yong-gang,FENG Xian,LIU Yun-cai,MENG Meng,LEI Wei,LI Jiang,CHEN Hong-wei,ZHOU Yun.Basal Area Growth Characteristics of Pinus kesiya var.langbianensis and Determining of First Intermediate Cutting Time[J].Journal of West China Forestry Science,2007,36(2):33-37.
Authors:LIU Yong-gang  FENG Xian  LIU Yun-cai  MENG Meng  LEI Wei  LI Jiang  CHEN Hong-wei  ZHOU Yun
Institution:Yunnan Academy of Forestry, Kunming Yunnan 650204, P.R. China
Abstract:Using the basic data from anatomic tree investigation,the Logistic curve regression equation of basal area growth increment of Pinus kesiya var.langbianensis was established as y = 202.134/(1 45.92 e-0.5101t).The variation characteristics of basal area growth increment and successive years'growth were analyzed in accordance with the geometrical characteristics of established equation.The method for determining the first intermediate cutting time of Pinus kesiya var.langbianensis plantation by basal area successive years'growth was described.
Keywords:Pinus kesiya var  langbianensis  plantation  basal area growth increment  time for first intermediate cutting
本文献已被 CNKI 维普 万方数据 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号