北京地区侧柏人工林单木胸径生长模型的研究

林业资源管理 ›› 2010›› Issue (2): 62-68.

北京地区侧柏人工林单木胸径生长模型的研究

段劼¹, 马履一¹, 薛康², 王金增², 丁向阳^1,3, 张博¹

1.北京林业大学省部共建森林培育与保护教育部重点实验室,北京 100083;
2.北京市林业勘察设计院,北京 100029;
3.河南省林科院,郑州 450003

收稿日期:2009-12-11 修回日期:2010-03-23 发布日期:2020-12-14
通讯作者: 马履一(1957-),教授、博士生导师,研究方向:森林培育、土壤水分、GIS在林业中的应用。Email:maluyi@bjfu.edu.cn
作者简介:段劼(1982-),男,山西大同人,博士,研究方向:森林培育,森林生长模型。Email:djbjfu@qq.com
基金资助:
国家林业局“948”项目“森林资源清查分析与管理技术引进”(2005-04-02);北京市教育委员会科学研究与科研基地建设项目“北京生态公益林高效抚育与碳储量测定关键技术研究”(SYSBL2009);北京市教育委员会学科与研究生教育项目“北京市生态公益林质量升级关键技术研究产学研联合培养研究生基地”(CXYBL2008-2010);北京林业大学科技创新计划项目(BLJD200904)

Individual-tree Diameter Growth Model for Platycladus orientalis Plantation in Beijing Area

DUAN Jie¹, MA Luyi¹, XUE Kang², WANG Jinzeng², DING Xiangyang^1,3, ZHANG Bo¹

1. Key Laboratory for Silviculture and Conservation of the Ministry of Education, College of Forestry, Beijing Forestry University, Beijing 100083, China;
2. Beijing Forest Surveying and Planning Institute, Beijing 100029, China;
3. Henan Academy of Forestry, Zhengzhou 450003, China.

Received:2009-12-11 Revised:2010-03-23 Published:2020-12-14

摘要/Abstract

摘要： 生长模型是研究树木生长过程和进行森林经营管理中常用的工具。使用4期北京市侧柏人工林一类清查共计26个样地、1172株单木数据建立了3个胸径生长模型。模型自变量选用了林木生长、立地条件和林木竞争3类因子,在建模过程中剔除了出现严重多重共线性问题的自变量,使用逐步回归方法所建的3个模型均通过了方差分析、方差齐性和残差正态性检验。使用检验数据对模型进行T检验,结果表明实际值和预测值差异不显著,即所建立的3个单木模型具有良好的预测效果。

关键词: 北京地区, 侧柏人工林, 胸径生长模型, 多重共线性, 相关性分析, 一类清查

Abstract: Growth model was widely used for researching growth habit of trees and forest management.4 continous forest inventories, data of Platycladus orientalis plantation in Beijing area were used for this study.The data collected from a total of 26 fixed-plots and 1172 individual trees were used for modeling 3 types of tree diameter growth.The model independent variables contained tree growth factors,site factors and competition factors.Effect of multi-collinearity among in the independent variables were also considered and those independent variables which had serious multi-collinearity relationship problem were rejected.The 3 types of models passed the test of variance analysis,homogeneity test of variances and residual normality test.Test of model predictive effect was used for the validation database and the result indicated that the observed values and the predicting values have no significant difference.All types of individual tree models can predict the diameter growth of Platycladus orientalis plantation accurately.

Key words: Beijing area, Platycladus orientalis plantation, diameter growth model, multi-collinearity, correlation analysis, forest inventory

中图分类号:

S711
S758.5

段劼, 马履一, 薛康, 王金增, 丁向阳, 张博. 北京地区侧柏人工林单木胸径生长模型的研究[J]. 林业资源管理, 2010,(2): 62-68.

DUAN Jie, MA Luyi, XUE Kang, WANG Jinzeng, DING Xiangyang, ZHANG Bo. Individual-tree Diameter Growth Model for Platycladus orientalis Plantation in Beijing Area[J]. FOREST RESOURCES WANAGEMENT, 2010,(2): 62-68.

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