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Title: Carbon flux of down woody materials in forests of the north central United States

Author: Woodall, C.W.;

Date: 2010

Source: International Journal of Forestry Research. 2010: 1-9.

Publication Series: Scientific Journal (JRNL)


Across large scales, the carbon (C) flux of down woody material (DWM) detrital pools has largely been simulated based on forest stand attributes (e.g., stand age and forest type). The annual change in forest DWM C stocks and other attributes (e.g., size and decay class changes) was assessed using a forest inventory in the north central United States to provide an empirical assessment of strategic-scale DWM C flux. Using DWM inventory data from the USDA Forest Service's Forest Inventory and Analysis program, DWMC stocks were found to be relatively static across the study region with an annual flux rate not statistically different fromzero.Mean C flux rates across the study area were -0.25, -0.12, -0.01, and -0.04 (Mg/ha/yr) for standing live trees, standing dead trees, coarse woody debris, and fine woody debris, respectively. Flux rates varied in their both magnitude and status (emission/sequestration) by forest types, latitude, and DWM component size. Given the complex dynamics of DWMC flux, early implementation of inventory remeasurement, and relatively low sample size, numerous future research directions are suggested.

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Woodall, C.W. 2010. Carbon flux of down woody materials in forests of the north central United States


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