So it's really the densityof very large old trees that are draped in moss that is important at a forest stand level.
因此被苔藓所覆盖的非常古老的树木的密度确实对森林的林分水平很重要。
2
By using observation data over 50 years, the paper systematically analyzed the relations of different standdensity with diameter, height, crown of trees and so on.
Single age variable stock volume growth model had low coefficient of determination, but it was improved a lot by introducing site index and standdensity index in reparameterization.