Chapter 11 – Forestry and Resource Management

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resource management
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Strategic decision making about who should extract resources and in what ways, so that resources are used wisely and not wasted.
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maximum sustainable yield (MSY)
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The maximum amount of resource extraction without depleting the resource so that it can be used again.
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ecosystem-based management
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The attempt to supervise the harvesting of resources in ways that minimize impact on the environment and the ecological process that provide the resources.
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adaptive management
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The systematic testing of different management approaches to improve methods over time.
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even-aged
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Type of forest management of harvesting and replanting same-age trees.
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uneven-aged
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This is a method of forest management in which trees of different species in a given stand are maintained at many ages and sizes to permit continuous natural regeneration.
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clear-cutting
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Method of timber harvesting in which all trees in a forested area are removed in a single cutting.
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seed-tree approach
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The timber harvesting approach that leaves small numbers of mature and vigorous seed-producing trees standing so that they can reseed a logged area.
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shelterwood approach
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A timber harvesting approach that leaves small numbers of mature trees in place to provide shelter and shade for seedlings as they grow.
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selection system
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When only some of the trees in a forest are cut at once. They include single tree selection in which trees are spaced widely apart are cut at one time and group selection in which small patches of trees are cut at once. Results in uneven aged stands.
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deforestation
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The clearing of a forest and the replacement of it by another land use.
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old-growth forest
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A forest that has never been cut; these forests have not been seriously disturbed for several hundred years.
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multiple use
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Forests managed for recreation, wildlife, habitat, mining, and other uses in addition to timber.
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monoculture
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Dependence on a single agricultural commodity.
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prescribed burn
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A fire deliberately set under controlled conditions in order to reduce the accumulation of dead biomass on a forest floor.
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salvage logging
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Harvesting timber killed by fire, disease, or windthrow.
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sustainable forestry certification
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A form of ecolabeling that identifies timber products that have been produced using sustainable methods.

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