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    Author(s): George L. McCaskillWilliam H. McWilliams; Carol A. Alerich; Brett J. ButlerSusan J. CrockerGrant M. Domke; Doug Griffith; Cassandra M. Kurtz; Shawn Lehman; Tonya W. ListerRandall S. MorinW. Keith Moser; Paul Roth; Rachel RiemannJames A. Westfall
    Date: 2013
    Source: Resour. Bull. NRS-82. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 52 p.
    Publication Series: Resource Bulletin (RB)
    Station: Northern Research Station
    PDF: Download Publication  (18.72 MB)


    The second full annual inventory of Pennsylvania's forests reports a stable base of 16.7 million acres of forest land. Northern hardwoods and mixed-oak forest-type groups account for 54 and 32 percent of the forest land, respectively. The State's forest land averages about 61 dry tons of wood per acre and almost 6,500 board feet (International ¼-inch rule) per acre on timberland. The ratio of average annual net growth-to-removals for growing-stock trees on timberland was about 2:1. Additional information is presented on forest land use, forest resources, forest sustainability, forest health (including regeneration), and timber products. Detailed information on forest inventory methods and data quality estimates are included in a DVD at the back of the report. Tables of population estimates and a glossary are also included.

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    McCaskill, George L.; McWilliams,William H.; Alerich, Carol A.; Butler, Brett J.; Crocker, Susan J.; Domke, Grant M.; Griffith, Doug; Kurtz, Cassandra M.; Lehman, Shawn; Lister, Tonya W.; Morin, Randall S.; Moser, W. Keith; Roth, Paul; Riemann, Rachel; Westfall, James A. 2013. Pennsylvania’s Forests, 2009. Resour. Bull. NRS-82. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 52 p.


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    inventory, timberland, forest land, sampling error, sample design, volume, growth, mortality, removals

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