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Estimating Area in Sampling Forest Populations on Two Successive Occasions

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Several estimators not previously considered along with estimators in use of the proportion of area and change in the proportion of area contained in a class are presented for inventorying forest resources on successive occasions. A brief Monte Carlo study was run on several of these estimators to evaluate their statistical properties. The minimum variance unbiased estimators for both current status and change are recommended for all replacement policies. They simplify to existing estimators for complete remeasurement and complete replacement, but are more efficient for partial replacement allocations. Forest Sci. 23:253-267.

Keywords: Forest inventory; partial replacement sampling; simulation

Document Type: Journal Article

Affiliations: Biometrician, Pacific Northwest Forest and Range Experiment Station, USDA Forest Service, Portland, Oregon

Publication date: June 1, 1977

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