Fuel treatment effects on tree‐based forest carbon storage and emissions under modeled wildfire scenarios
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Abstract
Forests are viewed as a potential sink for carbon (C) that might otherwise contribute to climate change. It is unclear, however, how to manage forests with frequent fire regimes to maximize C storage while reducing C emissions from prescribed burns or wildfire. We modeled the effects of eight different fuel treatments on tree‐based C storage and release over a century, with and without wildfire. Model runs show that, after a century of growth without wildfire, the control stored the most C. However, when wildfire was included in the model, the control had the largest total C emission and largest reduction in live‐tree‐based C stocks. In model runs including wildfire, the final amount of tree‐based C sequestered was most affected by the stand structure initially produced by the different fuel treatments. In wildfire‐prone forests, tree‐based C stocks were best protected by fuel treatments that produced a low‐density stand structure dominated by large, fire‐resistant pines.
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