Standard

rev.10/16/03

FOR 142 - Applied Forest Measurements II

Course Description

Focuses on the application of the fundamental principles and practices of timber cruising. Emphasizes fixed plot and prism method of statistical sampling. Topics include: cruising methods and volume determination.

 

Competency Areas

Hours

Cruising Methods

Class

2

Volume Determination

D. Lab

0

 

P. Lab/O.B.I.

3

 

Credit

3

 

 

 

Prerequisite:  MAT 101(diploma), MAT 191 (degree)

Corequisite:   FOR 121, FOR 122

 

Course Guide

 

Competency

After completing this section, the student will:

Hours

Class

D.Lab

P.Lab/

O.B.I.

CRUISING METHODS

10 

25 

 Strip Cruise

Lay out a strip cruise.

 

 

 

 

Complete a strip cruise.

 

 

 

 

Work up a strip cruise.

 

 

 

 100% Cruise

Lay out a 100% cruise. 

 

 

 

 

Complete a 100% cruise.

 

 

 

  Work up a 100% cruise.      

 Cruise Report

Complete a cruise report specifying logging conditions, distance from mill, road construction, and types of bridges.

 

 

 

VOLUME DETERMINATION

10 

 Timber Volume

Measure poles to correct specifications.

 

 

 

 

Determine saw timber volume by strip cruising.

 

 

 

 

Scale net volume of logs.

 

 

 

Weight Scaling

Perform weight scaling.

 

 

 

 

Suggested Resources

 

Avery, T. E. & Burkhart, H. E. (2002). Forest Measurements (fifth edition). Boston: McGraw-Hill.

Tables for Estimating Board-foot Volume of Timber. United States Department of Agriculture. Forest Service.