Forests of Maryland, 2015
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Resource Update FS-99. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 4 p.
This publication provides an overview of forest resources in Maryland based on inventories conducted by the U.S. Forest Service, Forest Inventory and Analysis (FIA) program of the Northern Research Station. From 2004-2013, FIA employed an annual inventory, measuring 20 percent of all sample plots each year in Maryland. Beginning in 2014, FIA is on a 7-year cycle, inventorying 14.3 percent of all plots annually. For the 2015 inventory, estimates for current variables such as area, volume, and biomass, are based on 944 plots sampled from 2009-2015. Change variables such as net growth, removals, and mortality are based on 953 samples collected in 2005-2009 and resampled in 2009-2015. Estimates from earlier annual and periodic inventories are shown for comparison. See Bechtoldand Patterson (2005) and O'Connell et al. (2013) for definitions and technical details.
Lister, T.W.; Widmann, R.H. 2016. Forests of Maryland, 2015. Resource Update FS-99. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 4 p.