大通地区主要树种胸径材积表改算地径材积表  

The Table of Diameter Breast Height Changing Calculation into the Table of Diameter Ground about Main Kinds of Trees in Datong

作　　者：杨艳丽[1] 孙东祥[1] 孙福林 康炜 苏有彪 

机构地区：[1]青海省大通植物园,大通810100

出　　处：《青海大学学报（自然科学版）》1999年第5期29-30,36,共3页Journal of Qinghai University(Natural Science)

摘　　要：用胸径材积表改算地径材积表,对大通县主要林区(东峡、宝库、景阳等)的青海云杉、青杨、白桦进行了抽样调查,研究其胸径与地径的相关性.对准确掌握由于人为活动及火灾后造成的木材损失量提供了计算依据.Sampling survey picea crasifolia, detula platyphylla a suk, bopulus cathoyana in main forest region of Oatong ( Dongxia, Baoku, Jingyang and so on), and studying the relation between diameter breast height and diameter, using table of diameter breast height changing calaulalion. The table of diameter ground. We have acearately mastered losses of trees, which providea theory basisdue to man - induced action and conflag ration.

关 键 词：青海云杉 青 杨 白桦 地径材积表 胸径材积表 

分 类 号：S757.1[农业科学—森林经理学] S758.3[农业科学—林学]