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    Why Are Down Woody Materials Important? The down woody materials (DWM) indicator is used to estimate the quantity of dead
    organic material (resulting from plant mortality and leaf turnover) in forest ecosystems of the United States. The DWM indicator, coupled with other components of the enhanced Forest Inventory and Analysis (FIA) program, can indicate the current status of
    fuels, carbon pools, and wildlife habitat of our nation’s forest ecosystems. The fine and coarse woody components of the DWM indicator are specifically designed to match the components defined by the National Fire Danger Rating System. Use of the DWM indicator may increase the precision of carbon pool estimates across the United States. Additionally, the coarse woody debris (CWD) component of DWM may indicate the condition of habitat critical for numerous plants and animals.

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    Woodall, Christopher W. 2007. Down woody materials as an indicator of wildlife habitat, fuels, and carbon stocks of the United States. In: Forest health monitoring: 2005 national technical report. General Technical Report SRS-104. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. pages (41-50)

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