Richards生长函数在107-杨树速生丰产林生长预测上的应用  

THE APPLICATION OF RICHARDS GROWTH FUNCTION ON GROWTH PREDICTION OF FAST-GROWING AND HIGH-YIELD 107-POPLAR PLANTATIONS

作　　者：赵贝贝[1] 翟文元[1] 郝克嘉[1] 陶国良[1] 鲁法典[1] 

机构地区：[1]山东农业大学农业生态与环境重点实验室,山东泰安271018

出　　处：《山东农业大学学报（自然科学版）》2010年第1期23-26,共4页Journal of Shandong Agricultural University：Natural Science Edition

基　　金：国家自然科学基金项目"风险状态下速生丰产林规划决策技术研究"

摘　　要：利用山东省宁阳县3种不同立地条件下的107-杨树速生丰产林临时标准地和解析木调查材料,以Richards生长函数为基本模型,拟合了不同立地条件下的107-杨树速生丰产林生长模拟预测模型。结果表明,107-杨树速生丰产林的生长规律呈现"S"型曲线,用Richards模型拟合其胸径、树高、材积的生长精度很高,P值均小于0.0001;使用未参加建模的107-杨解析木数据对构建的预测方程进行T检验,发现预测值与实测值之间无显著差异(P均大于0.05)。可见,利用所建生长模型可以对107-杨树速生丰产林的生长动态进行预测,为107-杨树人工林的合理经营提供依据。According to Richards function,several models were imitated for estimating 107-poplar based on 107-poplar temporary and fixed standard stands in Ningyang Shandong.The growth of the 107-poplar plantations presented an ＂s-shaped＂ curve,and high accuracy was exhibited by the growth prediction model when it was used to imitate the growth of breast diameter,height and volume of the trees,P0.0001;Using some data of 107-poplar plantation that are not used for building models to test,the result showed that the measured values and simulated values had no significant difference（P0.05）.Therefore,the models may be applied to predict the growth of 107-poplar and provide basis in artificial forest reasonable management.

关 键 词：107-杨树 速生丰产林 立地条件 生长模型 生长预测 

分 类 号：S758.5[农业科学—森林经理学]