The emerging carbon market is an increasingly important source of finance for bottomland hardwood afforestation in the Lower Mississippi River Valley (LMV). Notwithstanding, there is a scarcity of empirical estimates of carbon sequestration specific to the region and we sought to address this outstanding need. We evaluated tree measurements from known-age bottomland hardwood stands from a chronosequence of sites in the LMV, drawing on 540 plot measurements within 67 stands. We derived a model of live tree biomass carbon as a function of stand age. The model explained 83% of the variation in live tree biomass carbon at the stand level, and provides a more accurate projection for application in the LMV than broader regional models currently available. Modeled live tree biomass carbon was greater than the corresponding regional estimate used in the U.S. Department of Energy's voluntary greenhouse gas reporting program for years 20 through 90 (up to 59% greater at year 50), but trended toward convergence at mature stages.
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1 June 2009
Carbon Storage of Bottomland Hardwood Afforestation in the Lower Mississippi Valley, USA
David T. Shoch,
Gary Kaster,
Aaron Hohl,
Ray Souter
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Wetlands
Vol. 29 • No. 2
June 2009
Vol. 29 • No. 2
June 2009
afforestation
biomass
climate change mitigation
forested wetlands