Exam 9: Sustaining Biodiversity - the Ecosystem Approach
Exam 1: Environmental Problems - Their Causes - and Sustainability95 Questions
Exam 2: Science - Matter - and Energy97 Questions
Exam 3: Ecosystems - What Are They and How Do They Work100 Questions
Exam 4: Biodiversity and Evolution100 Questions
Exam 5: Biodiversity - Species Interactions - and Population Control98 Questions
Exam 6: The Human Population and Urbanization102 Questions
Exam 7: Climate and Biodiversity101 Questions
Exam 8: Sustaining Biodiversity - the Species Approach99 Questions
Exam 9: Sustaining Biodiversity - the Ecosystem Approach100 Questions
Exam 10: Food - Soil - and Pest Management100 Questions
Exam 11: Water Resources and Water Pollution99 Questions
Exam 12: Geology and Nonrenewable Minerals100 Questions
Exam 13: Energy98 Questions
Exam 14: Environmental Hazards and Human Health100 Questions
Exam 15: Air Pollution Climate Change and Ozone Depletion96 Questions
Exam 16: Solid and Hazardous Waste100 Questions
Exam 17: Environmental Economics Politics and Worldviews99 Questions
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Describe the buffer zone concept for designing and managing nature reserves.
(Essay)
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About 40% of the earth's land area (not including Antarctica)is protected as nature reserves,parks,or wilderness areas.
(True/False)
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Which common problem of U.S.cities is now an issue in United States national parks?
(Multiple Choice)
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Reintroduction of the wolf eventually reduced attacks on domestic cattle by what other species?
(Multiple Choice)
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The zone of a biosphere reserve where there would be little,if any,disturbance from human activities would be the ____.
(Multiple Choice)
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List three ecosystem services or economic services provided by forests.
(Essay)
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According to the National Park Service,____ degrades scenic views in many U.S.national parks more than 90% of the time.
(Multiple Choice)
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A program called a debt-for-nature swap makes it financially attractive for countries to protect their tropical forests.
(True/False)
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When managed properly,ecotourism can be a useful form of reconciliation ecology,but without proper controls,it can lead to degradation of popular sites if visitors overrun them.
(True/False)
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____ involves confining cattle with portable fencing to one area for a few days and then moving them to a new location.
(Multiple Choice)
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After the number of wolves declined in Yellowstone National Park,____.
(Multiple Choice)
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____________________ occurs when too many animals graze for too long,damaging the grasses and their roots,and exceeding the carrying capacity of a rangeland area.
(Short Answer)
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What activity involves dragging huge nets weighted down with chains and steel plates over the ocean floor to harvest a few species of bottom fish and shellfish?
(Multiple Choice)
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Since we began burning fossil fuels in large quantities during the Industrial Revolution of the 18th and 19th centuries,there has been a ____ in the average acidity of surface ocean water.
(Multiple Choice)
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Managed grasslands or fenced meadows often planted with domesticated grasses or other forage crops such as alfalfa and clover are called ____________________.
(Short Answer)
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What could governments do regarding deforestation to be consistent with the full-cost pricing principle of sustainability?
(Multiple Choice)
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____________________ is the most efficient and sometimes least-costly way to cut trees and it provides benefits for land-owners and timber companies,but it can also harm an ecosystem by causing increased erosion,sediment pollution of nearby waterways,and losses in biodiversity.
(Short Answer)
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