Annual monitoring of US timber production: rationale and design
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Understanding roundwood production in the United States at fine spatial and temporal scales is needed to support a range of analyses for decision making. Currently, estimates of county-level roundwood production are available at various time intervals for different regions of the country and for different products. Here we present our reasoning for moving to an annual timber products monitoring program and further present a comparison of sample designs to facilitate an annual program without increased effort. We found that both probability proportional to size and stratified simple random sampling designs were viable options, but the stratified simple random sampling design provided more flexibility. This flexibility was deemed important to target emerging markets and to enable sampling with certainty of specific firms. Our results lay the foundations for moving to an annual timber products output monitoring design in support of market, sustainability, and policy analyses as well as projections.
KeywordsIndustrial roundwood; forest sector; sampling; sustainability
Coulston, John W.; Westfall, James A.; Wear, David N.; Edgar, Christopher B.; Prisley, Steven P.; Treiman, Thomas B.; Abt, Robert C.; Smith, W. Brad. 2018. Annual monitoring of US timber production: rationale and design. Forest Science. 64(5): 533-543. https://doi.org/10.1093/forsci/fxy010.