Env. Science Chpt.14
In a ______, humans and wildlife live side by side
biosphere reserve
One of the most important ecosystems services provided by forests is removing _________ from the atmosphere
carbon dioxide
Cities generate and trap ______, cause increased temperatures
more heat
Most damage to rangeland comes from _____
overgrazing
Which of the following has not resulted from urban sprawl?
overgrazing
The environmentally preferred method of harvesting trees is __________-
selective landing
The negative consequences of harvesting trees using the clear-cutting method are _______ and wildlife habitat destruction
soil erosion
An important environmental benefit of open spaces in cities includes
the improvement in air quality resulting from filtering of pollutants by plants
Deforestation is particularly harmful in tropical rain forests because the soil is _______
thin
Traffic jams, substandard housing, and polluted air and water can be caused by rapid growth in cities, a phenomenon known as
urban crisis
The movement of people from rural area to cities is called _____
urbanization
Heat islands affect local
weather patterns
Areas that are protected from development and environmental damage are known as _____ areas
wilderness
The most protected public lands are __________ areas
wilderness
The first national park in the US was ____
yellowstone
In selective-cutting, ______ trees are removed from an area
medium sized or mature
Given that most people live in urban areas, why should rural areas be preserved?
They provide ecological services
In the US, each person uses the ecosystem services provided by more than ____ hectares of land and water
12
The U.S Census Bureau defines an urban area as an area that contains more than
2,500 people
Refer to the graph above. During the 1987-88 time period, which country shows the greatest percentage of forest loss?
Costa Rica; because its greatest lost from the graph
A land-use planner might use a tool known as ____ to determine where to locate a new mall
GIS
Which of the following is an example of land used as a protected area to preserve the scenery and ecosystems
Grand Canyon National park
In the graph above, which country exhibits the greatest difference in percentage of forest cleared from 1981-85 to 1987-88?
India (3.85) vs. Costa Rica (3.7)
Which of the following statements about tree harvesting methods is correct?
Selective cutting minimizes the impact on forest ecosystems
Look for patterns in the data above. What general statement can be made about the change over time in the percentage of forest cleared in the four countries?
The percentage forest increased
In 1870, the first national park established to protect and preserve the land for future generations was
Yellowstone
In clear-cutting, ___ trees are removed from an area
all
What can be done to sustain the productivity of rangeland?
all of the above
Which of the following is an example of how people use land?
all of the above
Which of the following is true of land-use plans?
all of the above
Why is it important to preserve farmland
all of the above
Which of the following most effectively allows forests to recover from tree harvesting?
cutting only medium-sized or mature trees
Deforestation is an especially serious problem in tropical rain forests because
farmers must repeatedly clear additional forest area to obtain land that can support crops
Environmental damage to wilderness areas
may worsen as the U.S population grows
Moderation of temperature, infiltration of rainwater runoff, and aesthetic value can be provided to urban areas by _______
greenbelts
Where do most Americans live?
in urban area
Which of the following is a side effect of heat islands?
increased precipitation
Fire stations, roads, and bridges are examples of _____
infrastructure
Many people move to cities in search of ___
jobs
Land that is poorly suited for building is considered _________ land
marginal
An area prone to landslides is an example of
marginal land
Buses and trains are examples of ______
mastransit systems
The national farmland protection program was designed to
protect farmland from being developed
The designation of wilderness areas
provides for protected habitats
In the US, all citizens share ownership of _______
public land
Eliminating invasive plants and replacing them with native plants is one aspect of
range improvement
Land that is used to graze livestock is known as _____
range land
Which of the following is not an environmental effect of deforestation?
re-establishment of trees
The opposite of deforestation is ______-
reforestation
What is reforestation
replanting trees in an area
As opposed to urban land, ___ land contains relatively few people
rural
Before 1850, most people lived in ____ areas
rural
Regardless of where people live, they are dependent on resources produced in
rural areas