Lesson 1: Measurement Terminology Forestry I Course Modified by Georgia Agricultural Education Curriculum Office July 2002
You will be able to... Define common forest measurement terms Demonstrate the ability to identify and use the tools that are used in class
Clinometer or Altimeter Used for determining tree heights as well as percent elevation of land contour
Using a Clinometer
Factor 10 Wedge Prism A piece of specially ground glass which bends light rays at a specified angle; trees whose boles are not completely offset at breast height are tallied during point sampling cruises
Biltmore Stick Used to determine tree DBH, height, and volume.
Diameter Tape Most accurate tool to use to determine tree diameters Looks just like a carpenter’s metal measuring tape
When we are finished we will be able to... Associate various forestry terms with application of these terms in the lessons to come.