APES chapter 12 online assignments – Flashcards
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________% of Earth's land area is currently covered by forest.
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30
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Most of the world's forests occur as
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taiga and rainforest
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Forests reach their greatest ecological complexity when
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mature with a multi-level canopy
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deforestation
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has the greatest impacts in tropical areas and arid regionshas the greatest impacts in tropical areas and arid regions
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second-growth forest
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are forests that establish themselves after virgin timber has been removed from an area
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The program Reducing Emissions from Deforestation and Forest Degradation (REDD)
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gives wealthy nations carbon-offsets if they pay poorer nations to conserve forests
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The arrow at the top right of the graph represents the
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equilibrium point where births in the population equal deaths
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Many forest resource managers aim to maintain resource populations at the position named in the question above because it
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delivers the maximum sustainable timber yield
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If forests are strictly managed according to the maximum sustainable yield model, some biodiversity still be lost because
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species whose habitat depends on mature trees in the top canopy layer will be excluded
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Fire history in an open pine woodland ecosystem would be best determined by
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tree ring scars
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The Sarawak tribes
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were left without resources when the Malaysian government allowed clear-cutting in their forest
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In the United States, most logging takes place in
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conifer forests in the west and pine plantations in the south
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Why do developing nations impose few or no restrictions on logging?
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They are desperate for economic development.
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clear-cutting
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removes all trees from an area
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Most commercial logging today takes place in
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Canada, Russia, and Brazil
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The U.N. FAO's Global Forest Resources Assessment of 2010 concluded that
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deforestation has slowed but we still lose forests at the rate of 5.2 million ha/yr
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Ecosystem-based timber harvesting uses methods that
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leave seed-producing or mature trees uncut to provide for future forests
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The National Forest Management Act ________ national forest land.
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was passed in 1976 with the intent to ensure multiple use and sustainable yield of
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The Healthy Forests Restoration Act ________ national forest land
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directs timber companies to remove small trees, underbrush, and dead trees to reduce fires in
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The latest information tells us that salvage logging
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tends to produce more severe wildfires
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The forests in the Upper Peninsula of Michigan from which your text book was made are
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harvested using ecosystem-based management
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Controlled burns would be used in forests
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that are subject to severe wild fires to remove fuel load and stimulate new growth
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The "roadless rule"
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prohibits new road construction in national forests and was reinstated in 2009
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Biosphere reserves are different from other protected areas because
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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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A population will grow most rapidly when it is
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at 50% of carrying capacity
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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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ecosystem-based management
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Which of these heavily used resources is NOT a renewable resource?
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minerals
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The _____ Act allowed for the U.S. president to declare national monuments.
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Antiquities
