1) piameter at breast height

立木胸径
2) host tree DBH

支柱木胸径
1.
The relationship between vine diameter at breast height (DBH) and its host tree DBH in the natural forests in Hunan Province, China, has been studied using field surveys of sample trees and statistical analysis tools including the SPSS13.
0相结合的统计分析方法,对湖南藤本植物胸径大小与其支柱木的胸径大小之间的相关性进行了研究,其结果是:(1)全部藤本植物胸径大小与其支柱木胸径大小的比率是1:6。
3) ground diameter volume table

根径立木材积表
1.
In attention,a ground diameter volume table of L.

0的关系,编制了落叶松根径立木材积表,并探讨了落叶松人工林的理论密度和郁闭度为0。
5) diameter breast height

胸径
1.
tree height by adopting the regression equation based on the diameter breast height of fallen C.
为快捷、准确测定杉木树高 ,采用伐倒木的胸径、绝对削度 ,建立这两个因子与树高的回归方程 ,以估测树高。
6) DBH

胸径
1.
Study on the Correlation Between Ground Diameter and DBH of Pinus sylvestris var.mongolica on Sand Land of Northwest Liaoning and its Application;
辽西北沙地樟子松地径与胸径相关关系及其应用研究
2.
Fractal Characteristics of Root System,Tree Height and DBH of Choerospondias axillaris;

南酸枣人工幼林根系与其树高、胸径的分形特征
3.
Simulating to Weibull Distribution of DBH and Height of Artificial Stand of Alnus cremastogyne;
桤木人工林林分胸径与树高的威布尔分布拟合
补充资料:立木
1.竖木于地。 2.直木。 3.形成森林主要部分的树木的总和。亦指林地上未伐倒的活着的树木。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条