Estimating the Southern Pine Beetle's Grazing Impact

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Abstract
Forest insect impacts may be defined as any change caused in the forest by an insect population. Economic impacts are a subset and may be defined impacts which (1) occur to socially useful forest products; (2) cause a change in socially useful items needed to produce the forest products; or (3) change the distribution among society of either the product, the income derived from it, or its production cost. Forests are managed because they are socially useful and forest pest management is part forest management. Forest pest management usually begun when negative economic impacts occur and exceed the cost of pest management.

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