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A Regularized Raking Estimator for Small-Area Mapping from Forest Inventory Surveys
Open AccessArticle

US National Maps Attributing Forest Change: 1986–2010

1
Forest Inventory and Analysis, U.S. Forest Service, Rocky Mountain Research Station, 507 25th Street, Ogden, UT 84401, USA
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Forest Inventory and Analysis, U.S. Forest Service, Southern Research Station, 4700 Old Kingston Pike, Knoxville, TN 37919, USA
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Department of Geographical Sciences, University of Maryland, 2181 Samuel J. LeFrak Hall, College Park, MD 20742, USA
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NASA Ames Research Center, Moffett Field, CA 94035, USA
*
Author to whom correspondence should be addressed.
Forests 2020, 11(6), 653; https://doi.org/10.3390/f11060653
Received: 13 November 2019 / Revised: 19 May 2020 / Accepted: 28 May 2020 / Published: 8 June 2020
National monitoring of forestlands and the processes causing canopy cover loss, be they abrupt or gradual, partial or stand clearing, temporary (disturbance) or persisting (deforestation), are necessary at fine scales to inform management, science and policy. This study utilizes the Landsat archive and an ensemble of disturbance algorithms to produce maps attributing event type and timing to >258 million ha of contiguous Unites States forested ecosystems (1986–2010). Nationally, 75.95 million forest ha (759,531 km2) experienced change, with 80.6% attributed to removals, 12.4% to wildfire, 4.7% to stress and 2.2% to conversion. Between regions, the relative amounts and rates of removals, wildfire, stress and conversion varied substantially. The removal class had 82.3% (0.01 S.E.) user’s and 72.2% (0.02 S.E.) producer’s accuracy. A survey of available national attribution datasets, from the data user’s perspective, of scale, relevant processes and ecological depth suggests knowledge gaps remain. View Full-Text
Keywords: forest cover loss; disturbance; conversion; attribution; Landsat time series; Random Forests; NAFD forest cover loss; disturbance; conversion; attribution; Landsat time series; Random Forests; NAFD
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Schleeweis, K.G.; Moisen, G.G.; Schroeder, T.A.; Toney, C.; Freeman, E.A.; Goward, S.N.; Huang, C.; Dungan, J.L. US National Maps Attributing Forest Change: 1986–2010. Forests 2020, 11, 653.

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