Forests of Maine, 2017
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Resource Update FS-160. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 3 p.
This publication provides an overview of the forest resources in Maine based upon inventories conducted by the USDA Forest Service, Forest Inventory and Analysis (FIA) program of the Northern Research Station. Information about the national and regional FIA program is available online at www.fia.fs.fed.us. Since 1999, FIA has implemented an annual inventory in the State and currently measures 20 percent of the sample plots each year. For the 2017 inventory, estimates for current variables, such as area, volume, and biomass, are based on 3,526 plots inventoried from 2013-2017. Change variables, such as net growth, removals, and mortality, are based on 3,495 plots inventoried in 2008-2012 and resampled in 2013-2017. Estimates from earlier annual and periodic inventories are included for comparison. See Bechtold and Patterson (2005) and O'Connell et al. (2017) for definitions and technical details.
Butler, Brett J. 2018. Forests of Maine, 2017. Resource Update FS-160. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 3 p. https://doi.org/10.2737/FS-RU-160.