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Ching-Hsun Huang, Northern Arizona University, Ching.Huang@nau.edu (Presenter)

 

We investigated the amount and economic value of carbon stored in wood harvested from fire risk reduction thinning projects in ponderosa pine stands at four sites in northern Arizona over a 100-year period. We compared the harvested wood’s current use as pallets to a multiproduct scenario that produced a combination of paper, pallets and construction materials. Under the current use scenario, carbon storage ranged from 13.26 to 26.97 Mg C ha-1 among sites immediately after harvest and, over 100 years, ranged from 8.53 to 17.34 Mg C ha-1. The multiproduct scenario, however, stored an additional 1.58 to 4.02 Mg C ha-1 over 100 years. We investigated three carbon price scenarios. At a price of $47.71 Mg-1 CO2 Eq., the additional carbon stored under the multiproduct scenario resulted in an increase in carbon payment values ranging from $62.22 to $403.26 ha-1 among sites. This study shows that the longevity of wood in end-use products is an important determinant of the amount and economic value of long-term carbon storage in wood products from fire risk reduction treatments, and that carbon storage and benefits are highly variable among different fire risk reduction projects within the same region.