文献类型：期刊文献

中文题名：单叶省藤人工林茎长分布模型的研制

英文题名：Establishment of Stem Length Distribution Model for the Plantation of Calamus simplicifolius

作者：杨锦昌[1] 尹光天[1] 冯昌林[2] 李荣生[1] 邹文涛[1]

第一作者：杨锦昌

机构：[1]中国林科院热带林业研究所;[2]中国林科院热带林业实验中心

年份：2010

卷号：30

期号：6

起止页码：33-37

中文期刊名：浙江林业科技

外文期刊名：Journal of Zhejiang Forestry Science and Technology

收录：北大核心:【北大核心2008】；

基金：黄藤属和省藤属新品种测试指南项目(2009007;2009006);国家"十一五"攻关课题(2006BAD19B09)

语种：中文

中文关键词：单叶省藤人工林;生长方程;茎长分布模型;参数预测

外文关键词：Calamus simplicifolius; growth equation; model of stem length distribution; parameter prediction

分类号：S791.2

摘要：选择Logistic、Richards和Weibull三种理论生长方程,采用两次曲线拟合法描述单叶省藤(Calamus simplicifoius)人工林母茎长和萌茎长的结构规律,旨在研制单叶省藤人工林茎长分布模型。结果表明:Weibull和Logistic方程均适于描述母茎长结构规律,而Richards和Logistic方程则适合于拟合萌茎长的分布特征;通过比较拟合效果,分别建立了Weibull和Richards方程中的b、c参数与林分因子相关的参数预测模型,结合林分生长模型研制了基于两次曲线拟合的茎长分布模型。经检验,所建立的单叶省藤人工林茎长分布模型预测精度高,可在生产上应用。
A method of twice curve fitting was used to describe the rule of length distribution of mother stem and sucker one by selection of three growth equations（Logistic,Weibull and Richards） in order to establish a model for stem length distribution of Calamus simplicifolius plantation in Pingxiang city,Guangxi.The result showed that Logistic equation could well describe the characteristic of length distribution of both mother and sucker stem while Weibull and Richards equations were more suitable for fitting the rule of length distribution of sucker stem.Based on analysis on the fitting effect,the parameter prediction model was developed by correlating the parameters b,c in Weibull and Richards equations with the stand factors.In combination with stand growth models,the model of stem length distribution was finally established through twice curve fitting,which was proved to be applicable to the prediction of stem length distribution with high precision.