Map indicating studies and sample sites the Radiocarbon Collaborative assisted with data acquisition and/or interpretation

The Radiocarbon Collaborative has worked with samples from all kinds of ecosystems, including:

Alaskan boreal peatlands, Hawaiian tropical wet forest, Hawaiian tropical dry forest, Juniper forest, North American boreal forest, Northern hardwoods, Subalpine (paleo) pine forests, California wetlands, Sub-boreal peatlands, Northwest American evergreen forest, Northern American aspen forest, Western American pine forests, Northern California grassland, North Carolina Piedmont forest, Sierra alpine, Tropical peatland, Mangrove swamp, Cypress swamp, Long Term Agricultural Research Sites, Driftless area, West Virginia peatlands, Andean peatlands

Publications utilizing data acquired through the Radiocarbon Collaborative:

Butnor, J. R., Samuelson, L. J., Johnsen, K. H., Anderson, P. H., González Benecke, C. A., Boot, C.,  Cotrufo, M. F., Heckman, K. A., Jackson, J. A., Stokes, T. A., Swanston, C. W., & Zarnoch, S. (2017) Vertical distribution and persistence of soil organic carbon in fire-adapted longleaf pine forests. Forest Ecology and Management 390: 15-26.

Carbone, M. S., Richardson, A. D., Chen, M., Davidson, E. A., Hughes, H., Savage, K. E., & Hollinger, D. Y. (2016). Constrained partitioning of autotrophic and heterotrophic respiration reduces model uncertainties of forest ecosystem carbon fluxes but not stocks. Journal of Geophysical Research: Biogeosciences, 121(9), 2476-2492.

Crow, S. E., Reeves, M., Schubert, O. S., & Sierra, C. A. (2015). Optimization of method to quantify soil organic matter dynamics and carbon sequestration potential in volcanic ash soils. Biogeochemistry, 123(1-2), 27.

Fox, P., Nico, P., Tfaily, M., Heckman, K., & Davis, J. (in review) Characterization of Natural Organic Matter in Low-Carbon Sediments: Extraction and Analytical Approaches. Organic Geochemistry

Giardina, C. P., Litton, C. M., Crow, S. E., & Asner, G. P. (2014). Warming-related increases in soil CO2 efflux are explained by increased below-ground carbon flux. Nature Climate Change, 4(9), 822-827.

Heckman, K., Campbell, J., Powers, H., Law, B., & Swanston, C. (2013). The influence of fire on the radiocarbon signature and character of soil organic matter in the Siskiyou National Forest, Oregon, USA.

Heckman, K., Throckmorton, H., Clingensmith, C., Vila, F. J. G., Horwath, W. R., Knicker, H., & Rasmussen, C. (2014). Factors affecting the molecular structure and mean residence time of occluded organics in a lithosequence of soils under ponderosa pine. Soil Biology and Biochemistry, 77, 1-11.

Heckman KA, Lawrence C, Harden J (2018) A sequential selective dissolution method to quantify storage and stability of organic carbon associated with Al and Fe hydroxide phases. Geoderma 312: 24-35

Hribljan, J. A., Cooper, D. J., Sueltenfuss, J., Wolf, E. C., Heckman, K. A., Lilleskov, E. A., & Chimner, R. A. (2015). Carbon storage and long-term rate of accumulation in high-altitude Andean peatlands of Bolivia. Mires Peat, 15(12), 1-14.

Hribljan, J. A., Suárez, E., Heckman, K. A., Lilleskov, E. A., & Chimner, R. A. (2016). Peatland carbon stocks and accumulation rates in the Ecuadorian páramo. Wetlands ecology and management, 24(2), 113.

Kinney, K. M., Asner, G. P., Cordell, S., Chadwick, O. A., Heckman, K., Hotchkiss, S., ... & Thaxton, J. M. (2015). Primary succession on a Hawaiian dryland chronosequence. PloS one, 10(6), e0123995.

Kinney, K. M., Asner, G. P., Cordell, S., Chadwick, O. A., Heckman, K., Holitzi, T., … & Kellner, J. R. (in review) Holocene vegetation change and fire history in a sub-alpine Hawaiian dryland. Ecological Applications.

Lybrand R, Heckman K, Rasmussen C (2017) Soil organic carbon partitioning and residence time variation in desert and conifer ecosystems of southern Arizona. Biogeochemistry. DOI: 10.1007/s10533-017-0360-7

Lybrand, Rebecca A. (2014). The effects of climate and landscape position on mineral weathering and soil carbon storage in the Santa Catalina critical zone. University of Arizona PhD dissertation.

Marin-Spiotta, E., Chaopricha, N. T., Plante, A. F., Diefendorf, A. F., Mueller, C. W., Grandy, A. S., & Mason, J. A. (2014). Long-term stabilization of deep soil carbon by fire and burial during early Holocene climate change. Nature Geoscience, 7(6), 428-432.

Millar, C. I., Heckman, K., Swanston, C., Schmidt, K., Westfall, R. D., & Delany, D. L. (2014). Radiocarbon dating of American pika fecal pellets provides insights into population extirpations and climate refugia. Ecological Applications, 24(7), 1748-1768.

Nave, L. E., Drevnick, P. E., Heckman, K. A., Hofmeister, K. L., Veverica, T. J., & Swanston, C. W. (2017). Soil hydrology, physical and chemical properties and the distribution of carbon and mercury in a postglacial lake-plain wetland. Geoderma, 305, 40-52.

Nave, L., Heckman, K., Munoz, A., & Swanston, C. (2017). Replicated radiocarbon as a tool in plant ecophysiology: probing parasitism with natural abundance carbon and nitrogen analyses of individual plants. Radiocarbon. DOI:10.1017/RDC.2017.97

O'Donnell, J. A., Aiken, G. R., Walvoord, M. A., Raymond, P. A., Butler, K. D., Dornblaser, M. M., & Heckman, K. (2014). Using dissolved organic matter age and composition to detect permafrost thaw in boreal watersheds of interior Alaska. Journal of Geophysical Research: Biogeosciences, 119(11), 2155-2170.

Ohno, T., Heckman, K. A., Plante, A. F., Fernandez, I. J., Parr, T. B. (2017) 14C Mean Residence Time and Its Relationship with Thermal Stability and Molecular Composition of Soil Organic Matter: A Case Study of Deciduous and Coniferous Forest Types. Geoderma 308, 1-8.

Samuelson, L., Butnor, J., Cropper Jr, W., Gonzalez-Benecke, C., Jonsen, K., & Martin, T. (2016). Developing Tools for Ecological Forestry and Carbon Management in Longleaf Pine. Auburn University Auburn United States.

Stewart, J. A., & Wright, D. H. (2012). Assessing persistence of the American pika at historic localities in California's northern Sierra Nevada. Wildlife Society Bulletin, 36(4), 759-764.

Stewart JAE, Wright DH, Heckman K (2017) Apparent Climate-Mediated Loss and Fragmentation of Core Habitat of the American Pika in the Northern Sierra Nevada, California, USA. PLoS one 12(8): e0181834.

Szymanski, L., 2015. Soil microbial respiration and carbon turnover under perennial and annual biofuel crops in two agricultural soils. University of Wisconsin-Madison MS thesis.

Szymanski, L. M., Sanford, G. R., Heckman, K., Jackson, R. D., &Marin-Spiotta, E. (in revision) Losses from the active carbon pool and respiration of older carbon after five years of bioenergy biomass cropping. Soil Biology and Biochemistry.