PMID: 18213977Jan 25, 2008Paper

Spatial patterns of forest characteristics in the western United States derived from inventories

Ecological Applications : a Publication of the Ecological Society of America
Jeffrey A HickeMark Ducey

Abstract

In the western United States, forest ecosystems are subject to a variety of forcing mechanisms that drive dynamics, including climate change, land-use/land-cover change, atmospheric pollution, and disturbance. To understand the impacts of these stressors, it is crucial to develop assessments of forest properties to establish baselines, determine the extent of changes, and provide information to ecosystem modeling activities. Here we report on spatial patterns of characteristics of forest ecosystems in the western United States, including area, stand age, forest type, and carbon stocks, and comparisons of these patterns with those from satellite imagery and simulation models. The USDA Forest Service collected ground-based measurements of tree and plot information in recent decades as part of nationwide forest inventories. Using these measurements together with a methodology for estimating carbon stocks for each tree measured, we mapped county-level patterns across the western United States. Because forest ecosystem properties are often significantly different between hardwood and softwood species, we describe patterns of each. The stand age distribution peaked at 60-100 years across the region, with hardwoods typically younger t...Continue Reading

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Citations

Mar 23, 2012·Environmental Management·Mikaela S EllenwoodJana B Milford
Feb 16, 2012·Proceedings of the National Academy of Sciences of the United States of America·Jennifer R MarlonMegan K Walsh
Jan 24, 2009·Science·Phillip J van MantgemThomas T Veblen
Mar 28, 2009·Ecological Applications : a Publication of the Ecological Society of America·Tara HudiburgMaureen Duane
May 13, 2011·Anthropology & Medicine·Harris Solomon
Jun 25, 2008·Journal of Environmental Quality·Christine NegraRobin O'Malley

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