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    Author(s): William H. McWilliams; Carol A. Alerich; Daniel A. Devlin; Tonya W. Lister; Stephen L. Sterner; James A. Westfall
    Date: 2002
    Source: Resour. Bull. NE-156. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Station. 71 p.
    Publication Series: Resource Bulletin (RB)
    Station: Northeastern Research Station
    PDF: View PDF  (3.99 MB)

    Description

    In 2000, the USDA Forest Service's Forest Inventory and Analysis (FIA) program implemented a new system for inventory and monitoring Pennsylvania?s forest resources. The most salient benefit of the new inventory process will be a nearly threefold improvement in timeliness. This report summarizes the results of the first 2 years of annual inventory measurements. The area of forest land in Pennsylvania has remained stable since a previous inventory in 1989. The Keystone State's forests continue to mature as larger trees and an increase in inventory volume were recorded. A separate study of tree seedlings revealed a general lack of regeneration in one-third to one-half of the stands in which regeneration should be adequate.

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    McWilliams, William H.; Alerich, Carol A.; Devlin, Daniel A.; Lister, Tonya W.; Sterner, Stephen L.; Westfall, James A. 2002. Annual inventory report for Pennsylvania''s forests: results from the first two years. Resour. Bull. NE-156. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Station. 71 p.

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    Keywords

    forest composition, forest health, sustainability, timber volume, tree regeneration

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https://www.fs.usda.gov/treesearch/pubs/5140