Forest Mensuration Questions with Correct
Answers
How do you tell red spruce from black spruce? Correct Answ_Black spruce has blueish
foliage, a tight crown, and rarely gets over 10", and red spruce has army green foliage, a wider
crown, and can be bigger.
What is sedge? Correct Answ_Grass-like plant with triangular stalk. "Sedges have edges".
Indicates wet sites. Grass has joints
What is sphagnum moss? Correct Answ_Moss with loose, fibrous structure. Holds water
well. Indicates vernal pools and extremely wet areas.
What do black leaves on the forest floor indicate? Correct Answ_The area is substantially
puddly for some part of the year.
What is cinnamon fern? Correct Answ_Tall fern which grows in clumps. Separate fertile and
infertile stalks. Fertile stalks are yellow-orange. Indicates vernal pools and extremely wet areas.
, What is moccasin flower/ pink lady slipper? Correct Answ_Orchid with glossy, oval leaves.
Showy pink flowers. Indicates acidic sites and is often found with pine and oak.
How should you treat a forked tree with a d-tape? Correct Answ_If fork is above 4.5',
measure below the bulge. If below, treat as two trees.
Where should you measure a DBH on a hill? Correct Answ_On the uphill side
What are the bases for clinometer scales? Correct Answ_Percent=100 feet
topo=66 feet, because it equals a chain
metric=30 meters, because that equals 100 feet
metric topo=20 meters, because that equals 66 feet (chain)
What is the formula for height with a clinometer? Correct Answ_top angle minus bottom
angle all over basis, times distance from object
distance((top angle-bottom angle)/basis)
Answers
How do you tell red spruce from black spruce? Correct Answ_Black spruce has blueish
foliage, a tight crown, and rarely gets over 10", and red spruce has army green foliage, a wider
crown, and can be bigger.
What is sedge? Correct Answ_Grass-like plant with triangular stalk. "Sedges have edges".
Indicates wet sites. Grass has joints
What is sphagnum moss? Correct Answ_Moss with loose, fibrous structure. Holds water
well. Indicates vernal pools and extremely wet areas.
What do black leaves on the forest floor indicate? Correct Answ_The area is substantially
puddly for some part of the year.
What is cinnamon fern? Correct Answ_Tall fern which grows in clumps. Separate fertile and
infertile stalks. Fertile stalks are yellow-orange. Indicates vernal pools and extremely wet areas.
, What is moccasin flower/ pink lady slipper? Correct Answ_Orchid with glossy, oval leaves.
Showy pink flowers. Indicates acidic sites and is often found with pine and oak.
How should you treat a forked tree with a d-tape? Correct Answ_If fork is above 4.5',
measure below the bulge. If below, treat as two trees.
Where should you measure a DBH on a hill? Correct Answ_On the uphill side
What are the bases for clinometer scales? Correct Answ_Percent=100 feet
topo=66 feet, because it equals a chain
metric=30 meters, because that equals 100 feet
metric topo=20 meters, because that equals 66 feet (chain)
What is the formula for height with a clinometer? Correct Answ_top angle minus bottom
angle all over basis, times distance from object
distance((top angle-bottom angle)/basis)
