FOR 172 Quiz 2

For class this week, we will meet behind Biltmore to take the bus (or van) to the Schenck Forest.

True

If an ordinary distance tape is wrapped around the trunk of the tree, what is the observer measuring? 

circumference

Which of the following measurements are used when calculating the live crown ratio? Pick all that apply

Total tree height and Height to crown base

Diameters are typically measured ________ the bark at 4.5 feet above the ground on the ______side of the tree. Measuring at 4.5 feet above the ground typically avoids measuring the swell at the base of the tree and is a comfortable arm position for most people. 

outside, uphill

Tools for measuring tree diameter vary in their degree of accuracy. Match the appropriate degree of accuracy with each instrument.

Biltmore stick:

Diameter tape:

Biltmore stick: 2 inches

Diameter tape: 0.001 inch

When measuring tree heights, walking 100 ft and using the _______________ or 66 ft and using the _______________  is convenient because both options will simplify the math.  Really __any__ horizontal distance can be used.  It is more important to have a __clear view__ of the tree than to use one of these set distances.  

percent slope scale, topographic slope scale

Fred is measuring the diameter of a tree at breast height. What height **in feet** is "breast height"? Just enter the value/number, no units necessary.

4\.5