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    Author(s): William H. McWilliamsJames A. WestfallPatrick H. Brose; Shawn L. Lehman; Randall S. MorinTodd E. RistauAlejandro A. RoyoSusan L. Stout
    Date: 2017
    Source: In: Kabrick, John M.; Dey, Daniel C.; Knapp, Benjamin O.; Larsen, David R.; Shifley, Stephen R.; Stelzer, Henry E., eds. Proceedings of the 20th Central Hardwood Forest Conference; 2016 March 28-April 1; Columbia, MO. General Technical Report NRS-P-167. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 280-290.
    Publication Series: Paper (invited, offered, keynote)
    Station: Northern Research Station
    PDF: View PDF  (1.0 MB)

    Description

    The Pennsylvania Regeneration Study was initiated in 1989 because of concerns about a long history of stress on oak/hickory (Quercus/Carya) forests from herbivory and other factors. The study, which addresses the need for landscape-level information about regeneration quality and abundance, comprises a suite of regeneration indicator measurements installed on a subset of Forest Inventory and Analysis monitoring plots. The State's oak/hickory forests have been under increasing stress because aging stands that originate from large-scale disturbances from more than 100 years ago are inundated by herbivory of preferred plants and invasion of native and nonnative invasive plants. Maintaining oaks in young stands is difficult because of herbivory, invasive plants, climate change, lack of fire, and other factors. This paper summarizes the Pennsylvania Regeneration Study results, offering a look at likely challenges faced by managers and policy makers, as well as by inventory specialists who design forest inventories for stressed forests.

    Publication Notes

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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.; Westfall, James A.; Brose, Patrick H.; Lehman, Shawn L.; Morin, Randall S.; Ristau, Todd E.; Royo, Alejandro A.; Stout, Susan L. 2017. After 25 years, what does the Pennsylvania Regeneration Study tell us about oak/hickory forests under stress? In: Kabrick, John M.; Dey, Daniel C.; Knapp, Benjamin O.; Larsen, David R.; Shifley, Stephen R.; Stelzer, Henry E., eds. Proceedings of the 20th Central Hardwood Forest Conference; 2016 March 28-April 1; Columbia, MO. General Technical Report NRS-P-167. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 280-290.

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https://www.fs.usda.gov/treesearch/pubs/53783