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WorksheetsEnvironmental Science Forestry
Total questions: 24
Worksheet time: 12mins
Name
Class
Date
1.
Which approach to resource management aims to harvest resources in ways that minimize impact on the ecosystem and processes that provide the resource?
a)
maximum sustainable yield
b)
ecosystem-based management
c)
adaptive management
d)
watershed management
2.
Which phrase is true for private logging operations?
a)
produces a monoculture
b)
produces trees of different ages
c)
produces trees of different species
d)
leads to high biodiversity
3.
Prescribed burns are fires that
a)
are caused by lightning.
b)
are set by humans.
c)
never get out of control.
d)
increase the risk of injury.
4.
The removal of snags following a fire is called
a)
monoculture.
b)
prescribed burning.
c)
sustainable forestry.
d)
salvage logging.
5.
A renewable resource is harvested sustainably if
a)
the amount of replacement is less than the amount harvested.
b)
the amount of replacement is equal to the amount harvested.
c)
soil erosion is prevented.
d)
replacing trees costs less than harvesting trees.
6.
Which of the following words best summarizes the adaptive management approach shown in the diagram?
a)
rigid
b)
unscientific
c)
adjustable
d)
simple
7.
One disadvantage of the selection system of timber harvesting is that it
a)
produces even-aged stands.
b)
produces a monoculture.
c)
causes soil erosion.
d)
is more dangerous for loggers.
8.
Deforestation is particularly harmful in arid regions because it can lead to
a)
desertification.
b)
a massive loss of biodiversity.
c)
loss of jobs.
d)
a decrease in greenhouse gases.
9.
What is the role of private timber companies in national forests?
a)
They plan the sale of trees that are harvested.
b)
They build roads for logging.
c)
They manage timber sales.
d)
They receive the profits from logging.
10.
The National Forest Management Act
a)
requires plans for national forests that follow multiple use and maximum sustainable yield guidelines.
b)
requires plans for national forests that follow multiple use and ecosystem-based management guidelines.
c)
encourages prescribed burning as a means of protecting national forests.
d)
promotes the removal of small trees and underbrush by timber companies.
11.
Which type of forest most likely contains the greatest variety of habitats?
a)
old-growth forests
b)
even-aged stands
c)
plantations
d)
monocultures
12.
Fire suppression can result in a(n)
a)
increase in animal habitats.
b)
buildup of material that fuels future fires.
c)
decrease in property damage.
d)
an increase in the jack pine population.
13.
The main goal of the Healthy Forests Restoration Act is to
a)
prevent prescribed burning.
b)
prevent erosion and soil damage.
c)
prevent salvage logging.
d)
promote salvage logging.
14.
The goal of maximum sustainable yield management is to harvest resources in ways that minimize impact on the ecosystems and ecological processes that provide the resource.
a)
true
b)
false
15.
Timber harvesting always results in the destruction of the forest.
a)
true
b)
false
16.
Timber is harvested from national forests by government resource managers.
a)
true
b)
false
17.
Wildfire suppression prevents future fires by reducing the amount of forest debris on the forest floor.
a)
true
b)
false
18.
Deforestation occurs when trees are removed from a forest and replaced by a housing development.
a)
true
b)
false
19.
Trees in national forests are harvested by private timber companies.
a)
true
b)
false
20.
Who owns many of the tree plantations on which most logging in the United States takes place?
a)
The government
b)
Private individuals
c)
The logging companies
d)
No one
21.
Which method of timber harvesting leads to the greatest uneven-aged stands of regrowth?
a)
Clear-cutting
b)
Seed-tree approach
c)
Shelterwood approach
d)
Selection system
22.
The ______________ method of timber harvesting produces a future forest that most closely resembles the original forest in terms of biodiversity.
a)
Clear-cutting
b)
Seed-tree approach
c)
Shelterwood approach
d)
Selection system
23.
Which method of timber harvesting is likely to be the most costly for a timber company?
a)
Clear-cutting
b)
Seed-tree approach
c)
Shelterwood approach
d)
Selection system
24.
Which method of timber harvesting is likely to lead to a greater amount of deforestation in an area?
a)
Clear-cutting
b)
Seed-tree approach
c)
Shelterwood approach
d)
Selection system
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