Study on DBH-Tree Height Growth Model of Larix principis-rupprechtii along the Dam Ecotone

doi:10.13466/j.cnki.lyzygl.2015.01.008

Abstract

Abstract: This article is aimed at studying DHB-tree height growth conditions of North China larch. The pure larch stands of different ages in Beigou Forest Farm were taken the object of study.The data of DHB and tree height were obtained through the ways of measurement and stem analysis and SPSS was used to fit different models. After the indicator test and,preliminary screening,models of the better fiting precision are H=1.929D^0.734 (R²=0.939)and H=1.462+1.025D-0.012D²(R²=0.927).Using hights of standard tree regression test,the result showed the two models were reliable.According to the different indexes of error analysis the best model of North China larch is H=1.929D^0.734.The establishment of the model provides a shortcut for tree height measurement .It is conducive to the forest resources investigation.

Key words: Prince Rupprecht’s Larch, DBH, tree height, model

CLC Number:

S758

MA Xiaoxin, JIANG Peng, MA Jiaojiao, GU Jiancai, LU Guiqiao. Study on DBH-Tree Height Growth Model of Larix principis-rupprechtii along the Dam Ecotone[J]. FOREST RESOURCES WANAGEMENT, 2015, (1): 44-48.

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