Quadratic mean diameter
Encyclopedia
The Quadratic mean diameter is a statistical
measurement often used in timber cruise
s to estimate the standing volume of timber in a forest. In professional forestry
, it is more widely used than volume table
s.
Statistics
Statistics is the study of the collection, organization, analysis, and interpretation of data. It deals with all aspects of this, including the planning of data collection in terms of the design of surveys and experiments....
measurement often used in timber cruise
Timber cruise
A timber cruise is a sample measurement of a stand used to estimate the amount of standing timber that the forest contains. These measurements are collected at sample locations called plots or quadrants. Each of these individual plots is one observation in a series of observations called a sample...
s to estimate the standing volume of timber in a forest. In professional forestry
Forestry
Forestry is the interdisciplinary profession embracing the science, art, and craft of creating, managing, using, and conserving forests and associated resources in a sustainable manner to meet desired goals, needs, and values for human benefit. Forestry is practiced in plantations and natural stands...
, it is more widely used than volume table
Volume table
A Volume table is a chart to aid in the estimation of standing timber volume. These tables are based on volume equations and use correlations between certain aspects of a tree to estimate the volume to a degree of certainty. The DBH and the merchantable height are used to determine the total volume...
s.