Chris Swanston
Title: Research Ecologist
Unit: Climate, Fire, and Carbon Cycle Sciences
Address: Northern Research Station
410 MacInnes Dr
Houghton, MI 49931
Phone: (906) 482-6303 x20
E-mail: Contact Chris Swanston
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Education
- Ph.D. in Forest Science, Oregon State University, 2000.
- M.S. in Forest Science, Oregon State University, 1996.
- B.S. in Forest Ecology and Soils (NRPI), Humboldt State University, 1993.
Civic & Professional Affiliations
Current Research
My focus is on a crucial link in carbon management: soil carbon storage and flux. I study how organic debris (carbon) enters forest soil and is subsequently stabilized or "lost," and how this varies with forest ecology, soil mineralogy, management, natural disturbance, and climate. Much of my work uses different isotopes of carbon (14C, 13C) to increase the sensitivity of estimates of carbon flux. I am currently engaged in the following collaborative research:
- Primary inputs and flow paths of belowground carbon in eastern oak forests (The Enriched Background Isotope Study).
- The nature and sources of dissolved organic carbon in a coastal grassland chronosequence with changes in season and depth.
- Soil organic matter stabilization in a transect with differing forest types, mineralogy, and climate in the Pacific Northwest.
- The mechanistic role of nitrogen in the long-term stabilization of carbon as influenced by mineralogy.
- The influence of fire and charcoal on forest soil carbon storage and flux.
Why is This Important
Soil carbon is a fundamental component of forest productivity and structure, strongly influencing soil fertility, resistance to erosion and compaction, and water storage and availability. Soil carbon also plays a large role in global fluxes of carbon dioxide, a major greenhouse gas. Globally, there is at least twice as much carbon in the soil as in the atmosphere, and two thirds of forest carbon is in the soil. Understanding the forms and fate of forest soil carbon can help us predict, mitigate, and adapt to the effects of disturbance at wide spatial and temporal scales.
Future Research
In future research I hope to: study the effects of invasive soil organisms on the carbon distribution and fluxes in northeastern forest soils; characterize the influence of highly intensive forest management (for bioenergy) on soil carbon stocks; continue studying the roles of fire ecology and different carbon inputs in forest carbon cycles.
Featured Publications
- Swanston, Chris; Janowiak, Maria, eds. 2012. Forest adaptation resources: Climate change tools and approaches for land managers. Gen. Tech. Rep. NRS-87. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 121 p.
- Swanston, Chris; Furniss, Michael J.; Schmitt, Kristen; Guntle, Jeffrey; Janowiak, Maria; Hines, Sarah. 2012. Forest and grassland carbon in North America: A short course for land managers. Gen. Tech Rep. NRS- 93. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. [DVD].
- Swanston, Chris; Janowiak, Maria; Iverson, Louis; Parker, Linda; Mladenoff, David; Brandt, Leslie; Brandt, Leslie; St. Pierre, Matt; Prasad, Anantha; Matthews, Stephen; Peters, Matthew; Higgins, Dale; Dorland, Avery. 2011. Ecosystem vulnerability assessment and synthesis: a report from the Climate Change Response Framework Project in northern Wisconsin. Gen. Tech. Rep. NRS-82. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 142 p.
- Nave, Lucas E.; Vance, Eric D.; Swanston, Christopher W.; Curtis, Peter S. 2011. Fire effects on temperate forest soil C and N storage. Ecological Applications. 21(4): 1189-1201.
- Janowiak, Maria K.; Swanston, Christopher W.; Nagel, Linda M.; Webster, Christopher R.; Palik, Brian J.; Twery, Mark J.; Bradford, John B.; Parker, Linda R.; Hille, Andrea T.; Johnson, Sheela M. 2011. Silvicultural decisionmaking in an uncertain climate future: a workshop-based exploration of considerations, strategies, and approaches. Gen. Tech. Rep. NRS-81. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 14 p.
Additional
Online Publications
- Shrestha, Gyami; Traina, Samuel J.; Swanston, Christopher W. 2010. Black carbon's properties and role in the environment: a comprehensive review. Sustainability. 2: 294-320.
- Parton, William J.; Hanson, Paul J.; Swanston, Chris; Torn, Margaret; Trumbore, Susan E.; Riley, William; Kelly, Robin. 2010. ForCent model development and testing using the Enriched Background Isotope Study experiment. Journal of Geophysical Research 115: 1-15. G04001, doi:10.1029/2009JG001193.
- Nave, L.E.; Vance, E.D.; Swanston, C.W.; Curtis, P.S. 2010. Harvest impacts on soil carbon storage in temperate forests. Forest Ecology and Management. 259: 857-866.
- Nagel, Linda M.; Swanston, Christopher W.; Janowiak, Maria K. 2010. Integrating climate change considerations into forest management tools and training. In: Jain, Theresa B.; Graham, Russell T.; Sandquist, Jonathan. Integrated management of carbon sequestration and biomass utilization opportunities in a changing climate: Proceedings of the 2009 National Silviculture Workshop; 2009 June 15-18; Boise, ID. Proceedings RMRS-P-61. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 27-35.
- Virto, I.; Moni, C.; Swanston, C.; Chenu, C. 2010. Turnover of intra- and extra-aggregate organic matter at the silt-size scale. Geoderma. 156: 1-10.
- Nave, L.E.; Vance, E.D.; Swanston, C.W.; Curtis, P.S. 2009. Impacts of elevated N inputs on north temperate forest soil C storage, C/N, and net N-mineralization. Geoderma. 153: 231-240.
- Bauer, Ilka E.; Bhatti, Jagtar S.; Swanston, Christopher; Wieder, R. Kelman; Perston, Caroline M. 2009. Organic matter accumulation and community change at the peatland-upland interface: inferences from 14C and 210Pb dated profiles. Ecosystems. 12: 636-653.
- Crow, Susan E.; Lajtha, Kate; Filley, Timothy R.; Swanston, Chris; Bowden, Richard D.; Caldwell, Bruce A. 2009. Sources of plant-derived carbon and stability of organic matter in soil: Implications for global change. Global Change Biology. 15(8): 2003-2019.
- Fissore, Cinzia; Giardina, Christian P.; Swanston, Christopher W.; King, Gary M.; Kolka, Randall K. 2009. Variable temperature sensitivity of soil organic carbon in North American forests. Global Change Biology. 15: 2295-2310.
- Marin-Spiotta, Erika; Swanston, Christopher W.; Torn, Margaret S.; Silver, Whendee L.; Burton, Sarah D. 2008. Chemical and mineral control of soil carbon turnover in abandoned tropical pastures. Geoderma. 143: 49-62.
- Crow, Susan E.; Swanston, Christopher W.; Lajtha, Kate; Brooks, J. Renee; Keirstead, Heath. 2007. Density fractionation of forest soils: methodological questions and interpretation of incubation results and turnover time in an ecosystem context. Biogeochemistry. 85: 69-90.
- Sollins, Phillip; Swanston, Chris; Kramer, Marc. 2007. Stabilization and destabilization of soil organic matter--a new focus. Biogeochemistry. 85: 1-7.
Last Modified:
02/15/2012