藏东南尼洋河流域高山松树高曲线的研究
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摘要
为探索西藏高海拔地区高山松最优树高曲线,提高高原森林资源调查精度。以西藏自治区东南部尼洋河流域高山松天然林为对象,基于22块样地共计588株高山松实测树高—胸径数据分析高山松树高曲线变化规律。选取10个经典树高曲线模型,通过对模型参数的求解,采用决定系数R~2、均方根误差RMSE、残差和MD对模型的精度进行检验。结果表明模型(5)Logistic方程H=a/(1+be~(-cD))拟合高山松的树高曲线效果最好(R~2=0.900 3),可作为尼洋河流域高山松的最优树高生长曲线模型。
To explore the optimal height-diameter curves of the Pinus densata in the high altitude area of Tibet and improve the precision of forest resource survey. the natural P. densata forest in Niyang river in southeast Tibet was taken as research object. Based on measurement of 588 individual trees from 22 sample plots distributed in area of Niyang river watersheds, tree height curve was strdied in this paper. Ten alternative models were selected and parameters of each model were estimated. The function with the highest R2, the lowest RMSE and MD was chosen as the optimal generalized height-diameter model. The result showed that the Logistic function(5)H=a/(1+be-cD)(where H is total height, D is diameter at breastheight, a, b and c are parameters)was the optimal model(R2=0.900 3) that could calibrate the relationship between tree height and diameter for P. densata in Niyang river watershed area.
To explore the optimal height-diameter curves of the Pinus densata in the high altitude area of Tibet and improve the precision of forest resource survey. the natural P. densata forest in Niyang river in southeast Tibet was taken as research object. Based on measurement of 588 individual trees from 22 sample plots distributed in area of Niyang river watersheds, tree height curve was strdied in this paper. Ten alternative models were selected and parameters of each model were estimated. The function with the highest R2, the lowest RMSE and MD was chosen as the optimal generalized height-diameter model. The result showed that the Logistic function(5)H=a/(1+be-cD)(where H is total height, D is diameter at breastheight, a, b and c are parameters)was the optimal model(R2=0.900 3) that could calibrate the relationship between tree height and diameter for P. densata in Niyang river watershed area.
引文
[1]张焱,舒清态,徐云栋,等.香格里拉高山松天然林最优树高曲线研究[J].林业资源管理,2016(1):46-51.
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[9]张鹏,王新杰,许昊.将乐地区马尾松标准树高曲线的研究[J].中南林业科技大学学报2015,35(3):69-73.
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[12]代忠迪,姜立春.大兴安岭不同生态区域兴安落叶松树高曲线的研究[J].植物研究,2015,35(4):583-589.
[13]王明亮,李希菲.非线性树高曲线模型的研究[J].林业科学研究,2000,13(1):75-79.
[14]赵俊卉,亢新刚,张慧东,等.长白山3个主要针叶树种的标准树高曲线[J].林业科学,2010,46(10):191-194.
[15]赵俊卉,亢新刚,刘燕.长白山主要针叶树种最优树高曲线研究[J].北京林业大学学报,2009,31(4):13-18.
[16]丁贵杰.马尾松人工林标准树高曲线模型的研究[J].浙江林学院学报,1997,14(3):225-230.
[17]王明亮,唐守正.标准树高曲线的研制[J].林业科学研究,1997,10(3):259-264.
[18]TEMESGEN H,ZHANG C H,ZHAO X H.Modelling tree height diameter relationships in multi-species and multi-layered forest:A large observational study from Northeast China[J].Forest Ecology and Management,2014(316):78-89.
[19]SHARMA M,PARTON J.Height-diameter equations for boreal tree species in Ontario using a mixed-effects modeling approach[J].Forest Ecology and Management,2007,249(3):187-198.
[20]段光爽,李学东,冯岩符,等.华北落叶松天然次生林树高曲线的混合效应模型[J].南京林业大学学报(自然科学版),2018,42(2):163-169.
[2]姜鹏,崔丽红,秦召文,等.小黑杨胸径和树高的生长动态[J].西北林学院学报,2013,28(6):129-133.
[3]戎建涛,刁军,黄璜,等.利用两水平非线性混合效应模型建立温州地区天然阔叶树树高曲线[J].西北林学院学报,2016,31(6):89-95.
[4]SáNCHEZ-GONZáLEZ M,CANELLAS I,MONTERO G.Generalized height diameter and crown diameter prediction models for cork oak forests in Spain[J].Sistemas y Recursos Forestales,2007,16(1):76-88.
[5]COLBERT K C,LARSEN D R,LOOTENS J R.Heightdiameter equations for thirteen Midwestern bottomland hardwood species[J].Northern Journal of Applied Forestry,2002,19(4):171-176.
[6]CALAMA R,MONTERO G.Interregional nonlinear height diameter model with random coefficients for stone pine in Spain[J].Canadian Journal of Forest Research,2004,34(1):150-163.
[7]TEMESGEN H,GADOW K.Generalized height-diameter models-an application for major tree species in complex stands of interior British Columbia[J].Eur J Forest Res,2004,123(1):45-51.
[8]胥辉,全宏波,王斌.思茅松标准树高曲线的研究[J].西南林学院学报,2000,20(2):74-77.
[9]张鹏,王新杰,许昊.将乐地区马尾松标准树高曲线的研究[J].中南林业科技大学学报2015,35(3):69-73.
[10]赖巧玲,胥辉,杨为民.非参数估计在构造树高曲线中的应用[J].北京林业大学学报,2006,28(4):77-81.
[11]姜鹏,韩璐.不同生长势杉木成熟林胸径-树高生长曲线研究[J].西北林学院学报,2016,31(4):195-200.
[12]代忠迪,姜立春.大兴安岭不同生态区域兴安落叶松树高曲线的研究[J].植物研究,2015,35(4):583-589.
[13]王明亮,李希菲.非线性树高曲线模型的研究[J].林业科学研究,2000,13(1):75-79.
[14]赵俊卉,亢新刚,张慧东,等.长白山3个主要针叶树种的标准树高曲线[J].林业科学,2010,46(10):191-194.
[15]赵俊卉,亢新刚,刘燕.长白山主要针叶树种最优树高曲线研究[J].北京林业大学学报,2009,31(4):13-18.
[16]丁贵杰.马尾松人工林标准树高曲线模型的研究[J].浙江林学院学报,1997,14(3):225-230.
[17]王明亮,唐守正.标准树高曲线的研制[J].林业科学研究,1997,10(3):259-264.
[18]TEMESGEN H,ZHANG C H,ZHAO X H.Modelling tree height diameter relationships in multi-species and multi-layered forest:A large observational study from Northeast China[J].Forest Ecology and Management,2014(316):78-89.
[19]SHARMA M,PARTON J.Height-diameter equations for boreal tree species in Ontario using a mixed-effects modeling approach[J].Forest Ecology and Management,2007,249(3):187-198.
[20]段光爽,李学东,冯岩符,等.华北落叶松天然次生林树高曲线的混合效应模型[J].南京林业大学学报(自然科学版),2018,42(2):163-169.