摘要
应用树干分段的二元形数函数的削度方程、商品材材积方程和树干总材积方程的一致性方程系统编制明溪县杉木、马尾松的商品材立木材积表。既能充分利用公开发表的有效的测树信息和数表 ,又能结合区域的资源调查信息估测一致性系统中的参数 ,且编表的误差分布均匀 。
The tree volume table of Cunninghamia lanceolata and Pinus massoniana commercial timber in Mingxi County is complied with the compatibility equation system of stem segmentation binary form factor function taper equation,commercial timber volume equation and stem total volume equation,which not only can fully utilize public published effective tree-measuring information and numercial tables,but also estimate the parameters in the compatibility system in combination with regional resource investigation information,and furthermore,the compiled table errors distribute evenly,absolute and relative errors are small.
出处
《福建林业科技》
2002年第1期17-22,共6页
Journal of Fujian Forestry Science and Technology
关键词
杉木
马尾松
树干直径
商品材
立木材积表
明溪县
编制
Cunninghamia lanceolata
Pinus massoniana
Stem diameter
Commercial timber
Tree volume table
