Tree Volume and Form Quiz

What is the form factor of a tree?

• The height of the tree divided by its diameter

• The ratio of its volume to the volume of a specified geometric solid

• The total number of branches on the tree

• The age of the tree in years

Which factor plays a decisive role in determining stem form?

• Crown length

• Soil type

• Tree age

• Genotype

What is the formula for calculating tree volume using form factor?

• v = f + g * h

• v = fgh

• v = g + h + f

• v = f * g / h

What is the common form factor for Eucalyptus in Kenya?

• 0.6

• 0.45

• 0.41

• 0.3

What does the form quotient measure?

• The ratio of diameter at some point above breast height to diameter at breast height

• The volume of the tree

• The density of the tree

• The age of the tree

What is the maximum form factor for a cylindrical tree shape?

• 1

• 0.354

• 0.5

• 0.707

What is the purpose of taper tables?

• To determine tree age

• To portray stem form for volume calculation

• To measure tree height

• To assess soil quality

Which equation is used for computing the stem volume of Cupressus lusitanica?

• V = -0.1352 - 0.00005069D2 + 0.0001769DH

• V = -4.2224 + 0.9673 logD2H

• V = 0.0368162 + 0.0000310D2H

• V = 0.01722 + 0.0001937D2 + 0.00005069DH + 0.00002296D2H

What is the dominant height in forest mensuration?

• The average height of the smallest trees

• The average height of the largest diameter trees

• The height of the tallest tree in the forest

• The height of trees with the most branches

What does the term 'mean diameter' refer to?

• The average diameter of all trees in a stand

• The diameter of the largest tree

• The diameter of the smallest tree

• The diameter at breast height only