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“Working Forest” Silviculture

“Working Forest” Silviculture. 2012 Reforestation Council October 11, 2012 James D. Arney, Ph.D. Forest Biometrics Research Institute www.forestbiometrics.com. Cost Survey of “Working Forests”. Confidential Requests for Operating Costs

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“Working Forest” Silviculture

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  1. “Working Forest”Silviculture 2012 Reforestation Council October 11, 2012 James D. Arney, Ph.D. Forest Biometrics Research Institute www.forestbiometrics.com

  2. Cost Survey of “Working Forests” • Confidential Requests for Operating Costs • Responses from Private, Corporate, Tribal and Public Ownerships. • Responses from Washington, Oregon, California, Idaho and Montana. • Site Preparation, Planting, Brush Control • Pre-commercial and Commercial Thinning • Final Harvest and Fixed Annual Overhead

  3. Economic Parameters • Annual Administrative Cost – $23.71 /Acre • Site Preparation – $103.80 /Acre • Planting – ($139 + $0.36 / Tree) /Acre • Vegetation Control – $140 /Acre • PC-Thin – ($98.62 + 0.11 x #Trees)/Acre • Harvest Cost – ($225 – $0.75/Mbf) /Mbf • Log Values – $280 to $450/Mbf by Sort

  4. Apply Costs & Revenues • Yield Comparisons – • Site Classes 70 and 110 (4 and 8 meters/decade) • Clear-cut versus Seed-tree Regimes • Plantation versus Natural Regen w/fill-plant • Intensive versus Minimal Vegetation Control • Impacts of – • Pre-commercial Thinning & Species Selection • Stand Clumpiness (35% - 96% Occupied) • Stand Stockability (15% - 100% Stockable)

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