Mastering Chapter 12

25 July 2022
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boreal forests
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Most of the world's forests are _________
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land for agriculture
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Which of the following is NOT an ecosystem service provided by pristine forests?
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The Bush administration loosened environmental protection and restricted public participation
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What was the shift in forest conservation from the Clinton presidency to the Bush administration?
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It has allowed too few fires to burn in forests
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How has the "Smokey Bear" campaign damaged forest health?
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shrubs
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Which of the following types of organisms would most likely be found in the understory of a forest?
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secondary forests
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Most of the forests in the United States are ____________
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ten times as much
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How much more timber was removed from "other private" lands versus "national forest" land?
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can't answer with the available information
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Which type of land lost the largest proportion of its timber in 1996?
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forest industry
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For which type of land is the total volume of forest (in cubic feet) decreasing?
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Overall, US forest land is experiencing net growth as of 1996 Lands other than forest industry land appear to be managed to produce net forest growth National forest land had the greatest growth relative to the amount of harvesting
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Which of the following statements are accurate based on the information in this graph?
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Africa
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Which world region experienced the largest change in forested land between 1990 and 2000?
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Loss of forested land appears to be greater in the developing world than in the developed world The world overall is experiencing a net loss of forest The information in this graph is consistent with the graph of harvesting and growth in US forests from Sept. 2
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Which of the following statements are accurate based on the information in this graph?
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ecosystem-based management
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Which of the following management practices attempts to minimize ecological impact by allowing some trees in a forest to grow to maturity?
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adaptive management
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Mr. Smith has been hired to manage a swath of land owned by a private company. His goal is to manage the forest in the most sustainable way while still using the land and making a profit. At first, he manages the land using the concept of maximum sustainable yield. After a few years he realizes that ecosystem-based management is more appropriate for this particular swath of land. Mr. Smith is using ___________
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They keep the population at 50% of the carrying capacity thus maximizing the growth rate
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How do resource managers achieve maximum sustainable yield?
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Tropical rainforests are being cut down and replaced with oil palm plantations
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Which conundrum is taking place for those eager to combat climate change through the expanded use of biofuels
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uneven-aged stands
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Which of the following is the most similar to a natural forest?
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clear-cutting
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Which of the following harvesting methods is the most cost-efficient but has the greatest ecological impacts?
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It will likely affect other species and modify the food web dynamics of that ecosystem
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Which is a consequence of keeping the population of a living resource at its maximum sustained yield?
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prevent the development of a hardwood forest
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In an open and grassy pine savannah, fires ____________
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less-intense natural wildfires
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Which of the following is a result of the prescribed burning of an open and grassy pine savannah
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bigger woody species
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In a grassy pine savannah, a longer interval between prescribed burns typically leads to _________
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relative humidity
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What component of weather is watched most closely when determining when to conduct a prescribed burn?
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Some species of pine trees require fire to reproduce
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Which one of the following statements about prescribed burns is true?
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People think that the land should be available for private ownership and used however people see fit
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Why are some people against the government designating land set-asides of conservation
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fragmentation of land
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Which of the following is leading to some species suffering from "edge effects"?
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The refuges are open for hunting, fishing, education, and other public use
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Which of the following is true regarding the national wildlife refuges?
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land trusts
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_______ are organizations that purchase land to preserve it in its natural condition
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Uninhabited and undeveloped lands provide natural resources that in turn provide the ecosystem services and the psychological relief needed to support urban populations
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Why do urbanized societies need stretches of uninhabited and undeveloped land?
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Local people are allowed to live in and harvest resources from the outer areas of the reserve
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How are biosphere reserves different from other protected areas?
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Large islands contain more species than smaller islands
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According to the area effect, which of the following statements is true
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an island just off the mainland
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According to the island biogeography theory, given islands of the same size, which would host the greatest amount of biodiversity