Env. Science Chpt.14

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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


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