摘要
在白龙江中上游林区华北落叶松人工林中,建立胸径与树高相关关系,应用形数法、一元材积公式法和二元材积公式法分别建立了6种立木材积模型,经材积系统偏差分析和材积误差分析后,从中筛选出V模Ⅴ=0.012 067-0.003 397D+0.000 582D2作为该林区华北落叶松人工林一元立木材积模型,其误差为1.409 0%。
The relationship between breast diameter and height of Larix principis-rupprechtii artificial forest in the middle and upper reaches of Bailong river were built, applying ＂form-factor＂ method, formula methods of unary volume and binary volume, six kinds of volume modes were built, according to deviation analysis of volume system and error analysis of volume, VmodelV=0.012 067-0.003 397D＋0.000 582D^2 were selected as unary volume model of Larix principis-rupprechtii in the forest region, the error was 1.409 0%.
出处
《甘肃林业科技》
2011年第4期7-10,35,共5页
Journal of Gansu Forestry Science and Technology
关键词
白龙江中上游
华北落叶松
人工林
一元立木材积
模型
the middle and upper reaches of Bailongjiang
Larix principis-rupprechtii
artificial forest
unaryvolume
model
