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| 以相对直径为竞争指标的单木直径生长模型研究 | |
| 引用本文： | 邓成,吕勇,雷渊才,张江.以相对直径为竞争指标的单木直径生长模型研究[J].林业资源管理,2011(1). |
| 作者姓名： | 邓成 吕勇 雷渊才 张江 |
| 作者单位： | 1. 广西林业勘测设计院,南宁,530011 2. 中南林业科技大学,长沙,410004 3. 中国林业科学研究院,北京,100091 |
| 摘 要： | 选择了Richards,Logistic,Mitscherlich,Gompertz,Modified-Weibull 5个最为常用的单木直径生长理论方程作为基础方程,采取再次参数化的方法将与林木生长密切相关的地位指数(SI)、林分密度(N)、单木竞争指标——相对直径(RD)等因子引入方程,对马尾松人工林的单木直径生长模型进行了研究。结果表明,采用该方法得到的单木直径生长方程具有很好的适应性和很高的预估精度,因为该方程中包含了林木的相对直径RD,当令RD等于1.0时,单木的直径生长模型就反映了林分的平均直径生长,这为从单木生长模型向全林分生长模型的耦合提供了一条途径。 |
| 关 键 词： | 林木生长模型 直径生长模型 单木模型 竞争指标 相对直径 |
Study on Individual Tree Diameter Growth Models with the Relative Diameter as Competition Indicator |
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| DENG Cheng,L Yong,LEI Yuancai,ZHANG Jiang.Study on Individual Tree Diameter Growth Models with the Relative Diameter as Competition Indicator[J].Forest Resources Management,2011(1). | |
| Authors: | DENG Cheng L Yong LEI Yuancai ZHANG Jiang |
| Institution: | DENG Cheng,L(U) Yong,LEI Yuancai,ZHANG Jiang |
| Abstract: | This paper takes the Richards,Logistic,Mitscherlich,Gompertz and Modified-Weibull equations as the basic tree diameter theoretical equation.By means of re-parameterizing method the site index(SI),stand density(N),individual tree competition indicators-relative diameter(RD) are introduced into these equations.Research has been done on the individual tree diameter growth model of pine plantations.The results show that the individual tree diameter growth equation developed by this method has a good adaptabilit... |
| Keywords: | forest growth model diameter growth model individual tree model competition indicators relative diameter |
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