Forests of Pennsylvania, 2017
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Resource Update FS-175. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 4 p.
This resource update provides an overview of the forest resources in Pennsylvania based on inventories conducted by the USDA Forest Service, Forest Inventory and Analysis (FIA) program of the Northern Research Station. Estimates are based on field data collected using the FIA annualized sample design and are updated yearly. Information about the national and regional FIA program is available online at http://fia.fs.fed.us. FIA began annual inventories in Pennsylvania in 2000. For the 2017 inventory, estimates of current resource attributes, such as area, volume, and biomass, are based on 4,520 (3,015 forested) plot samples collected from 2011 to 2017. Estimates of components of change, such as net growth, removals, and mortality, are based on 4,143 (2,666 forested) samples collected from 2006 to 2011 and revisited from 2011 to 2017. Estimates from earlier inventories are shown for comparison. See Bechtoldand Patterson (2005), Gormanson et al. (2018), andBurrill et al. (2018) for definitions and technical details. A complete set of inventory tables is available at https://doi.org/10.2737/FS-RU-175.
Albright, Thomas A. 2018. Forests of Pennsylvania, 2017. Resource Update FS-175. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 4 p. https://doi.org/10.2737/FS-RU-175.