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- Title
Mineral soil carbon fluxes in forests and implications for carbon balance assessments.
- Authors
Buchholz, Thomas; Friedland, Andrew J.; Hornig, Claire E.; Keeton, William S.; Zanchi, Giuliana; Nunery, Jared
- Abstract
Forest carbon cycles play an important role in efforts to understand and mitigate climate change. Large amounts of carbon ( C) are stored in deep mineral forest soils, but are often not considered in accounting for global C fluxes because mineral soil C is commonly thought to be relatively stable. We explore C fluxes associated with forest management practices by examining existing data on forest C fluxes in the northeastern US. Our findings demonstrate that mineral soil C can play an important role in C emissions, especially when considering intensive forest management practices. Such practices are known to cause a high aboveground C flux to the atmosphere, but there is evidence that they can also promote comparably high and long-term belowground C fluxes. If these additional fluxes are widespread in forests, recommendations for increased reliance on forest biomass may need to be reevaluated. Furthermore, existing protocols for the monitoring of forest C often ignore mineral soil C due to lack of data. Forest C analyses will be incomplete until this problem is resolved.
- Subjects
CARBON cycle; FOREST soils; CLIMATE change mitigation; FOREST biomass; SOIL mineralogy
- Publication
GCB Bioenergy, 2014, Vol 6, Issue 4, p305
- ISSN
1757-1693
- Publication type
Article
- DOI
10.1111/gcbb.12044