Lesson 1: Measurement Terminology

1
Lesson 1 Measurement Terminology

• Forestry I
• Course 03.451

Modified by Georgia Agricultural Education
Curriculum Office July 2002
2
You will be able to . . .

• Define common forest measurement terms
• Demonstrate the ability to identify and use the
  tools that are used in class

3
Clinometer or Altimeter

• Used for determining tree heights as well as
  percent elevation of land contour

4
Using a Clinometer
5
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

6
Biltmore Stick

• Used to determine tree DBH, height, and volume.

7
Diameter Tape

• Most accurate tool to use to determine tree
  diameters
• Looks just like a carpenters metal measuring tape

8
When we are finished we will be able to . . .

• Associate various forestry terms with application
  of these terms in the lessons to come.