Logging Terminology
This term refers to the measure of a tree's diameter taken at breast height.
What is DBH?
Log rule that is the least accurate.
What is the Doyle rule?
Used for measuring the diameter of trees and logs.
What is D-tape
At what height is DBH taken?
What is 4.5 feet?
Type of vests foresters use to take their equipment into the woods?
What is cruiser vest?
This term describes logs that are of sufficient quality and size for processing into lumber.
What is sawtimber?
Which log rule is commonly used on the west coast and in the south for pine saw logs and was developed in 1846?
What is the Scribner log rule.
This instrument is used to determine the slope or gradient of a hill or the height of a tree.
What is a clinometer?
Formula for calculating basal area.
What is 0.005454?
The cross-sectional area of a tree at breast height, typically reported in square feet and calculated for a individual tree.
What is Basal area?
When calculating timber volume, this unit of measure represents a piece of wood one foot long, one foot wide, and one inch thick.
What is board foot?
How many log rules are used in the U.S.A and Canada?
What is 95?
What is the name of this stick-like tool used by foresters to estimate the diameter and height of a tree?
What is Biltmore stick?
How many feet are in a chain?
What is 66 feet?
Tool used for navigation and chart plotting on maps.
What is a compass?
In logging, this term is used to describe the process of cutting trees and preparing them for transport.
What is harvesting?
What are five methods of log scaling?
What are board foot scaling, Cubic volume scaling, Weight scaling, and Electric scanning?
This handheld device shoots a laser to measure the height of a tree.
What is a hypsometer?
How many chains are in 1 acre?
What is 10 square chains?
Pulpwood is measured in this increment.
What is tons?
It is the vertical distance from the ground to the point where a tree's trunk reaches a specified minimum diameter.
What is merchantable height?
Which log rule incorporates the taper of the tree and saw allowance?
What is the international 1/4 inch log rule?
This optical device, often used in forestry, is used to estimate the volume and basal area of trees.
What is a prism?
What is slop measured by?
What is percent?
This refers to how quickly the trees diameter decreases.
What is taper?