Natural Resource Ecology Laboratory


Refereed Journal Articles

Wallenstein, M. D., M. L. Haddix, D. L. Lee, R. T. Conant, and E. A. Paul. 2012. A litter-slurry technique elucidates the key role of enzyme production and microbial dynamics in temperature sensitivity of organic matter decomposition. Soil Biology & Biochemistry 47:18-26.

Berdanier, A. B., and R. T. Conant. 2011. Regionally-differentiated N2O emissions estimated by Bayesian inversion of inventory data. Global Change Biology 18:928-935.

Suseela V., R.T. Conant, M.D. Wallenstein, and J.S. Dukes. 2012. Effects of soil moisture on the temperature sensitivity of heterotrophic respiration vary seasonally in an old-field climate change experiment. Global Change Biology 18:336-348.

Conant, R. T., M. G. Ryan, G. I. Ågren, H. E. Birge, E. A. Davidson, P. E. Eliasson, S. E. Evans, S. D. Frey, C. P. Giardina, F. Hopkins, R. Hyvönen, M. U. F. Kirschbaum, J. M. Lavallee, J. Leifeld, W. J. Parton, M. Steinweg, M. D. Wallenstein, J. A. M. Wetterstedt, and M. A. Bradford. 2011. Temperature and soil organic matter decomposition – synthesis of current knowledge and a way forward. Global Change Biology 17:3392-3404.

Conant, R. T., S. M. Ogle, E. A. Paul, and K. Paustian. 2011. Reliable methods are fundamental for legitimate terrestrial offset programs. Frontiers in Ecology and the Environment 3:169-173.

Conant, R. T. 2011. Sequestration through forestry and agriculture. Invited review for Wiley Interdisciplinary Reviews: Climate Change 2:238-254.

Plante, A. F., J. M. Fernandez, M. L. Haddix, J. M. Steinweg, R. T. Conant. 2011. Biological, chemical and thermal indices of soil organic matter stability. Soil Biology and Biochemistry 43:1051-1058.

Cotrufo M.F., R.T. Conant, and K. Paustian. 2011. Soil organic matter dynamics: land use, management and global change. Plant and Soil 338:1-3.

Haddix, M. L., A. F. Plante, R. T. Conant, E. A. Paul, J. Six, J. M. Steinweg, K. Magrini-Baer, R. A. Drijber, and S. J. Morris. 2011. Temperature sensitivity of active and resistant soil organic matter decomposition during long-term incubation. Soil Science Society of America Journal 75:56-68.

Conant R.T., M.L. Haddix, and K. Paustian. 2010. Partitioning soil carbon responses to warming: Model-derived guidance for data interpretation. Soil Biology & Biochemistry 42:2034-2036.

Plante, A.F., R.T. Conant, J. Carlson, R. Greenwood, J. Schuman, M.L. Haddix, and E. A. Paul. 2010. Decomposition temperature sensitivity of isolated soil organic matter fractions. Soil Biology & Biochemistry. 42:1991-1996.

Lisboa, C., C. E. P. Cerri, C. C. Cerri, R. T. Conant, and M. L. Haddix. 2009. Soil carbon turnover measurement by physical fractionation at a forest-to-pasture chronosequence in the Brazilian Amazon. Ecosystems 12:1212-1221.

Plante, A. F., A. Kougentakis, A. M. Sen, C. Slominski, J. Six, E. A. Paul, and R. T. Conant. 2009. Does physical protection of soil organic matter attenuate temperature sensitivity? Soil Science Society of America Journal 73:1168-1172.

Stewart, C. E., K. Paustian, R. T. Conant, A. F. Plante, and J. Six. 2009. Soil carbon saturation: Implications for measurable carbon pool dynamics in long-term incubations. Soil Biology & Biochemistry 41:357-366.

Steinweg, J. M., A. F. Plante, R. T. Conant, E. A. Paul, and D. L. Tanaka. 2008. Patterns of substrate utilization during long-term incubations at different temperatures. Soil Biology & Biochemistry 40:2722-2728.

Conant, R. T., J. M. Steinweg, M. L. Haddix, E. A. Paul, A. F. Plante, and J. Six. 2008. Experimental warming shows that decomposition temperature sensitivity increases with soil carbon recalcitrance. Ecology 89:2384-2391.

Ngugi, M. K., and R. T. Conant. 2008. Ecological and social characterization of key resource areas in Kenyan rangelands. Journal of Arid Environments. 72:820-835.

Conant, R.T., R.A. Drijber, M.L. Haddix, W.J. Parton, E.A. Paul, A.F. Plante, J. Six, J.M. Steinweg. 2008. Sensitivity of organic matter decomposition to warming varies with its quality. Global Change Biology. 14:868-877.

Stewart, C. E., K. Paustian, R. T. Conant, A. F. Plante, and J. Six. 2008. Soil carbon saturation: Linking concept and measurable carbon pools. Soil Science Society of America Journal 72:379-392.

Stewart, C. E., K. Paustian, R. T. Conant, A. F. Plante, and J. Six. 2007. The soil carbon saturation concept: Evaluation and corroboration by long-term incubations. Soil Biology and Biochemistry. 40:1741-1750.

Conant, R. T., M. Easter, K. Paustian, A. Swan, and S. Williams. 2007. Impacts of periodic tillage on soil C stocks: a synthesis. Soil & Tillage Research 95:1-10.

Stewart, C. E., K. Paustian, A. F. Plante, and J. Six. 2007. Soil C saturation: Concept, evidence, and evaluation. Biogeochemistry 86:19-31.

Logar, N. and R. T. Conant. 2007. Reconciling the supply of and demand for carbon cycle science in the U.S. agricultural sector. Environmental Science & Policy 10:75-84.

Plante, A. F., C. E. Stewart, R. T. Conant, K. Paustian, and J. Six. 2006. Soil management effects on organic carbon storage in fractions physically isolated from a Gray Luvisol soil. Canadian Journal of Soil Science 86:141-151.

Plante, A. F., R. T. Conant, E. A. Paul, K. Paustian, and J. Six. 2006. Acid hydrolysis of easily dispersed and microaggregate-derived and silt- and clay-sized fractions to isolate biologically resistant soil organic matter. European Journal of Soil Science 57:456-467.

Paul, E.A., S.J. Morris, R.T. Conant, and A.F. Plante, 2006: Does the acid hydrolysis-incubation method measure meaningful soil organic matter pools? A review of the literature. Soil Science Society of America Journal 70: 1023-1035.

Plante, A. F., R. T. Conant, C. E. Stewart, K. Paustian, and J. Six. 2006. Impact of soil texture on the distribution of soil organic matter in physical and chemical fractions. Soil Science Society of America Journal 70:287-296.

Conant, R. T., S. J. Del Grosso, W. J. Parton, and K. Paustian. 2005. Nitrogen pools and fluxes in grassland soils sequestering carbon. Nutrient Cycling in Agroecosystems 71:239-248.

Conant, R. T., J. Six, and K. Paustian. 2004. Land use effects on soil carbon fractions in the southeastern United States:  II. Change in soil carbon fractions along a forest to pasture chronosequence. Biology and Fertility of Soils 40:194-200.

Conant, R. T., and K. Paustian. 2004. Grassland management activity data:  Current sources and future needs. Environmental Management33:467-473.

Ogle, S. M., R. T. Conant, and K. Paustian. 2004. Deriving grassland management factors for a carbon accounting method developed by the intergovernmental panel on climate change. Environmental Management 33:474-484.

Conant, R. T., J. M. Klopatek, P. Dalla-Betta, and C. C. Klopatek. 2004. Controls on soil respiration soil respiration in semiarid soils. Soil Biology and Biochemistry 36:945-951.

Six, J., S. M. Ogle, F. J. Briedt, R. T. Conant, and K. Paustian. 2004. The potential to mitigate global warming with no-tillage management is only realized when practiced in the long term. Global Change Biology 10:155-160.

Conant, R. T., J. Six, and K. Paustian. 2003. Land use effects on soil carbon fractions in the southeastern United States:  I. Management intensive versus extensive grazing. Biology and Fertility of Soils 36:386-392.

Pielke, R. A. and R. T. Conant.  2003.  Best practices in prediction for decision making: Lessons from the atmospheric and earth sciences.  Ecology 84:1351-1358.

Conant, R. T., G. Smith, and K. Paustian.  2003. Spatial Variability of Soil Carbon in Forested and Cultivated Sites: Implications for Change Detection. Journal of Environmental Quality 32:278-286

Conant, R. T. and K. Paustian.  2002.  Potential soil carbon sequestration in overgrazed grassland ecosystems.  Global Biogeochemical Cycles 16: art. no. 1143

Six, J., R. T. Conant, E. A. Paul, and K. Paustian.  2002. Stabilization mechanisms of soil organic matter: Implications for C-saturation of soils.  Plant and Soil 245:155-176

Conant, R. T., and K. Paustian. 2002. Spatial variability of soil organic carbon: Implications for detecting change at different scales. Environmental Pollution 116:127-135.

Conant, R. T., Paustian, K., and E. T. Elliott.  2001.  Grassland management and conversion into grassland: Effects on soil carbon.  Ecological Applications 11:343-355.

Conant, R. T., J. M. Klopatek, and C. C. Klopatek.  2000.  Environmental factors controlling soil respiration in three semiarid ecosystems.  Soil Science Society of America Journal 64:383-390.

Conant, R. T., J. M. Klopatek, and C. C. Klopatek.  1998. Carbon pools and fluxes along an environmental gradient in Northern Arizona:  Potential effects of climatic change.  Biogeochemistry 43: 43-61

Klopatek, J. M., R.T. Conant, J. M. King, R. A. Malin, K. L. Murphy, and C. C. Klopatek. 1996. Implications of spatial and temporal patterns of carbon flux across a semiarid ecotone.   Landscape and Urban Planning 39:  309-317

Bowman, W. D. and R. T. Conant. 1994. Shoot growth dynamics and photosynthetic response to increased nitrogen availability in the alpine willow Salix glauca. Oecologia 97: 93-99

Bowman, W. D., T. A. Theodose, J. C. Schardt, and R. T. Conant. 1993. Constraints of nutrient availability on primary production in two alpine tundra communities. Ecology 74: 2085-2097

Refereed Book Chapters and Reports

Conant, R. T. 2012. Grassland soil organic carbon stocks: status, opportunities, vulnerability. Pages 275-302 in R. Lal, K., Lorenz, R. F. Hüttl, B. U. Schneider, and J von Braun, editors. Recarbonization of the Biosphere. Springer, Dordrecht.

Paustian, K., S.M. Ogle and R.T. Conant. 2012. Quantification and Decision Support Tools for US Agricultural Soil Carbon Sequestration. Pages 307-341 in D. Hillel and C. Rosenzweig editors. Handbook of Climate Change and Agroecosystems: Impact, Adaptation and Mitigation. World Scientific, Singapore.

Conant, R.T., C. Neely, and C. Batello. 2010 Conclusions. Pages 267-272 in Grassland sequestration: management, policy, and economics C. Batello, R. T. Conant, and M. Abberton editors. UN Food and Agricultural Organization. Rome.

Conant, R. T., K. Paustian, F. Garcia-Oliva, H. H. Janzen, V. J. Jaramillo, D. E. Johnson, and S. N. Kulshreshtha. 2007. State of the Carbon Cycle: Agricultural lands, grasslands, shrublands, and arid lands. Department of Energy, Washington, DC.

Pacala, S., R. A. Birdsey, S. Bridgham, R. T. Conant, K. Davis, B. Hales, R. A. Houghton, J. C. Jenkins, M. Johnson, G. Marland, K. Paustian, J. Caspersen, R. Socolow, and R. S. J. Tol. 2007. State of the Carbon Cycle: The North America Carbon Budget Past and Present. Department of Energy, Washington, DC.

Conant, R.T., D.S. Johnson, and S.M. Ogle. 2005. USDA-NRCS National Engineering Handbook, Part 629, Chapter 3: Greenhouse Gases.

Nabuurs, G.-J., et al (including R. T. Conant). 2004. LUCF-sector good practice guidance. in J. Penman, M. Gytarsky, T. Hirishi, T. Krug, and D. Kruger, editors. IPCC Good Practice Guidance for LULUCF. Institute for Global Environmental Strategies, Hayama, Japan.

Conant, R. T. 2003. Grazer-dominated ecosystems. in Encyclopedia of Life Sciences. Nature Publishing Group, London.

Conant, R. T., K. Paustian, and E. T. Elliott. 2002. Pasture land use in the southeastern US: Implications for C sequestration. Pages 423-432 in Agricultural practices and policies for carbon sequestration in soil. R. Lal, R. F. Follet, and J. M. Kimble, editors. CRC Press, Boca Raton.

Sampson, R. M., et al (including R. T. Conant).  2000.  Additional human-induced activities - article 3.4.  Pages  180-281 in Land Use, Land-Use Change, and Forestry. R. T. Watson, I. R. Noble, B. Bolin, N. H. Ravindranath, D. J. Verardo, and D. J. Dokken,  editors.  Cambridge University Press,  Cambridge.


Batello, C., R. T. Conant, and M. Abberton, editors. 2010. Grassland sequestration: management, policy, and economics. 338 pages. UN Food and Agricultural Organization. Rome.


In Press

Ojima D.S., J.G. Canadell. R.T. Conant, C. Negra, and P.Tschakert. 2011. Carbon cycle sustainability and land use. in: Land use and the Carbon Cycle: Science and Applications in Human and Environment Interactions. D. Brown, editor. Cambridge, Cambridge University Press.

Townshend, J.R., J. Latham, C.O. Justice, A.C. Janetos, R.T. Conant, O. Arino, R. Balstad, A. Belward, J. Feuquay, J. Liu, D. Ojima, C. Schmullius, A. Singh, and J.B. Tschirley. 2007. International Coordination of Satellite Land Observations: Integrated Observations of the Land, In Land Remote Sensing and Global Environmental Change: NASA’s Earth Observing System and the Science of ASTER and MODIS.B. Ramchandran, et al., editors. Springer-Verlag, New York.

Non-peer Reviewed Articles and Proceedings

Conant, R. T., R. B. Boone, M.K. Ngugi. 2004. Remote sensing and ecological modeling for assessing C sequestration in semiarid grassland soils. In Proceedings of the West Africa Carbon Sequestration workshop, Mali. February 26-27, 2004.

Conant, R. T. and G. Brann, and G. D. Johnson. 2003. Seasonality of grazing impacts on light-use-efficiency and APAR in southeastern pastureland: implications for remote sensing of ANPP. Proceedings of the 30th International Symposium on Remote Sensing of Environment. Honolulu, HI. November 10-14, 2003.

Conant, R. T., and K. Paustian. 2001. The effects of grazing management on soil carbon (carbon sequestration). Pages 319-328 in B. Drake, editor. 1st National Conference on Grazing Lands. USDA, Las Vegas, NV.

Conant, R. T., and K. Paustian. 1998. Carbon sequestration through improved pasture management. Pages 32-40 in M. Orlic, editor. The Ruminant Livestock Efficiency Program Annual Conference. US Environmental Protection Agency, Athens, GA.

Asner, G., and R. T. Conant. 1996. Global biogeochemical cycles and process-based ecosystem models. Pages 135-144 in D. Schimel and R. Monson, editors. Terrestrial Ecosystems and the Atmosphere. National Center for Atmospheric Research, Boulder, CO.


Conant, R. T., A. B. Berdanier, and P. R. Grace. 2011. Gaps between the rich and the rest in the efficiency of nitrogen use in crop production. Global Biogeochemical Cycles submitted 1/12.

 Conant, R.T., T. E. Hilinski, A.B. Berdanier, R.B. Boone, and D.S. Ojima. 2011. Volatility of forage production and the world’s livestock production systems: implications for climate change adaptation. Proceedings of the National Academy of Sciences. Submitted 7/11.