基于树干解析的兴安落叶松人工林单木生长模型研究
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摘要
大兴安岭林区兴安落叶松(Larix gmelinii)作为建群种,其人工林资源的面积、蓄积正在不断扩大,成为了大兴安岭林区森林资源的有效补充。利用内蒙古自治区第二林业监测规划院(简称林勘二院)提供的解析木原始数据,采用SPSS V19.0拟合树木生长方程,分别建立了兴安落叶松人工林单木树高和胸径生长模型,对两个模型进行检验、评价,得到其回归系数(R~2)、均方误差(MSE)以及拟合效率(EF),结果均符合模型检验标准,证明模型具有较高的稳定性和估计性。最终确定兴安落叶松人工林树高生长模型为H=22.588(1-e~(-0.032t)),胸径生长模型为■。
Larix gmelinii in Daxing′anling forest area,as a constructive species,is expanding its area of plantation resources,which has become an effective supplement to forest resources in Daxing′anling forest area.In this paper,based on the original data of stem analysis compiled by Inner Mongolia Second Forestry Survey and Design Institute,SPSS 19.0 data statistical software was used to fit tree growth equation.The tree growth models of tree height and DBH of Larix gmelinii plantation were established and the two models were tested and evaluated,and it was found that their regression coefficients(R~2),mean square errors(MSE) and fitting efficiencies(EF) were all in accordance with the model test criteria,proving that the models have high stability and estimability.The results showed that the height growth model of Larix gmelinii plantation is H=22.588(1-e~(-0.032t));the DBH growth model of Larix gmelinii Plantation is ■
Larix gmelinii in Daxing′anling forest area,as a constructive species,is expanding its area of plantation resources,which has become an effective supplement to forest resources in Daxing′anling forest area.In this paper,based on the original data of stem analysis compiled by Inner Mongolia Second Forestry Survey and Design Institute,SPSS 19.0 data statistical software was used to fit tree growth equation.The tree growth models of tree height and DBH of Larix gmelinii plantation were established and the two models were tested and evaluated,and it was found that their regression coefficients(R~2),mean square errors(MSE) and fitting efficiencies(EF) were all in accordance with the model test criteria,proving that the models have high stability and estimability.The results showed that the height growth model of Larix gmelinii plantation is H=22.588(1-e~(-0.032t));the DBH growth model of Larix gmelinii Plantation is ■
引文
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[2] 王丽梅,潘辉,魏建文.Sloboda树高生长模型在火炬松人工林中的应用研究[J].北华大学学报:自然科学版,2004(2):159-161.
[3] Zellner A.An efficient method of estimating Seemingly unrelated regression equations and tests for aggregation bias[J].Journal of the American Statistical Association,1962,57:348-368.
[4] 徐文科,孙广山,李凤日.Logistic 方程统计建模及对红松单木生长的拟合[J].东北林业大学学报,2011,39(6):114-115.
[5] 黄新峰,亢新刚,孙玲,等.红松单木断面积生长模型[J].西北林学院学报,2011,26(3):143-146.
[6] 彭娓,李凤日,董利虎.黑龙江省长白落叶松人工林单木生长模型[J].南京林业大学学报:自然科学版,2018,42(03):19-27.
[7] 刘平,马履一,贾黎明,等.油松人工林单木树高生长模型研究[J].林业资源管理,2008(5):50-56.
[8] 张俊,孙玉军,许俊利.东北地区兴安落叶松人工林生长过程研究[J].西北林学院学报,2008(6):179-181.
[9] 姜立春,杜书立.基于非线性混合模型的东北兴安落叶松树高和直径生长模拟[J].林业科学研究,2012,25(1):11-16.
[10] 李春明,张会儒.利用非线性混合模型模拟杉木林优势木平均高[J].林业科学,2010,46(3):89-95.
[11] 冯林.内蒙古森林[M].北京:中国林业出版社,1989.
[12] 马利强,玉宝,王立明,等.兴安落叶松天然林单木高生长模型[J].南京林业大学学报:自然科学版,2013,37(2):169-172.
[13] 张冬燕,王冬至,张志东,等.不同龄组华北落叶松人工林径向生长模型构建[J].山东农业大学学报:自然科学版,2017,48(3):449-455.
[14] 付立华,于士涛.基于简单模型的华北落叶松树干削度方程研究[J].安徽农学通报,2017,23(24):86.
[15] 贾炜玮,孙赫明,李凤日.包含哑变量的黑龙江省落叶松人工林碳储量预测模型系统[J].应用生态学报,2019,30(3):814-822.
[16] 于雷,贾炜玮,刘国成,等.张广才岭地区落叶松人工林单木生长模型[J].林业科技情报,2018,50(4):1-4.
[17] 刘迪,郭妍,胡海清.兴安落叶松树皮热量传递模型构建[J].东北林业大学学报,2018,46(5):38-43.
[18] 姜佳梅,贾炜玮,刘强.黑龙江省市县林区落叶松人工林碳储量成熟的研究[J].植物研究,2015,35(4):597-603
[19] 曾伟生.全国立木生物量方程建模方法研究[D].北京:中国林业科学研究院博士学位论文,2011.