2012

Robertson, G. P., S. L. Collins, D. R. Foster, N. Brokaw, H. W. Ducklow, T. L. Gragson, C. Gries, S. K. Hamilton, A. D. McGuire, J. C. Moore, E. H. Stanley, R. B. Waide, and M. W. Williams. 2012. Long-term ecological research in a human-dominated world. BioScience 62:342-353. [PDF]

Robertson, G. P. and R. R. Harwood. 2012. Sustainable agriculture. Page (in press) in S. A. Levin, editor.  Encyclopedia of Biodiversity, 2nd ed. Academic Press, New York.

Syswerda, S. P., B. Basso, S. K. Hamilton, J. B. Tausig, and G. P. Robertson. 2012. Long-term nitrate loss along an agricultural intensity gradient in the Upper Midwest USA. Agriculture, Ecosystems and Environment 149:10-19. [PDF]

2011

Basso, B., O. Gargiulo, K. Paustian, G.P. Robertson, C. Porter, P.R. Grace, and J.W. Jones. 2011. Procedures for initializing soil organic carbon pools in the DSSAT-CENTURY model for agricultural systems. Soil Science Society of America Journal 75: 69-78. [PDF]

Bhardwaj, A. K., P. Jasrotia, S. K. Hamilton, and G. P. Robertson. 2011. Ecological management of intensively cropped agro-ecosystems improves soil quality with sustained productivity. Agriculture, Ecosystems and Environment 140:419-429. [PDF]

Bhardwaj A.K., T. Zenone, P. Jasrotia, G.P. Robertson, J. Chen, S.K. Hamilton. 2011. Water and energy footprints of bioenergy crop production on marginal lands. Global Change Biology-Bioenergy 3: 208-222. [PDF]

Collins, S.L., S.R. Carpenter, S.M. Swinton, T.L. Gragson, N. B. Grimm, J. M. Grove, S.L. Harlan, A. K. Knapp, G.P. Kofinas, J. J. Magnuson, W.H. McDowell, J. M. Melack, L.A. Ogden, D. Ornstein, G.P. Robertson, M.D. Smith, and A.C. Whitmer. 2011. An integrated conceptual framework for social-ecological research. Frontiers in Ecology and the Environment 9: 351-357. [PDF]

Eagle, A. J., L. R. Henry, L. P. Olander, K. H. Haugen-Kozyra, N. Millar, and G. P. Robertson. 2011. Greenhouse gas mitigation potential of agricultural land management in the United States: a synthesis of the literature. Second edition. Nicholas Institute for Environmental Policy Solutions, Durham, North Carolina, USA. [Link]

Follett, R., S. Mooney, J. Morgan, K. Paustian, L. H. Allen Jr, S. Archibeque, J. M. Baker, S. J. Del Grosso, J. Derner, F. Dijkstra, A. J. Franzluebbers, H. Janzen, L. A. Kurkalova, B. A. McCarl, S. Ogle, W. Parton, J. M. Peterson, C. W. Rice, G. P. Robertson, M. Schoeneberger, T. O. West, and J. William. 2011. Carbon sequestration and greenhouse gas fluxes in agriculture: challenges and opportunities. Council for Agricultural Science and Technology (CAST), Ames, Iowa, USA.

Gelfand, I., T. Zenone, P. Jasrotia, J. Chen, S. K. Hamilton, and G. P. Robertson. 2011. Carbon debt of Conservation Reserve Program (CRP) grasslands converted to bioenergy production. Proceedings of the National Academy of Sciences 108:13864-13869. [PDF]

Grace, P., G.P. Robertson, N. Millar, M. Colunga-Garcia, B. Basso, S. Gage, and J. Hoben. 2011. The contribution of maize cropping in the Midwest USA to global warming: A regional estimate. Agricultural Systems 104: 292-296. [PDF]

Hoben, J. P., R. J. Gehl, N. Millar, P. R. Grace, and G. P. Robertson. 2011. Nonlinear nitrous oxide (N2O) response to nitrogen fertilizer in on-farm corn crops of the US Midwest. Global Change Biology 17:1140–1152. [PDF ]

Kravchenko, A.N., Robertson, G.P., 2011. Whole-profile soil carbon stocks: The danger of assuming too much from analyses of too little. Soil Science Society of America Journal 75: 235-240. [PDF]

Levine, U.Y., T.K. Teal, G.P. Robertson, and T.M. Schmidt. 2011. Agriculture's impact on microbial diversity and associated fluxes of carbon dioxide and methane. International Society for Microbial Ecology Journal 5: 1683-1691. [PDF]

Robertson, G.P., S.K. Hamilton, W.J. Parton, and S. J. Del Grosso. 2011. The biogeochemistry of bioenergy landscapes: Carbon, nitrogen, and water considerations. Ecological Applications 21: 1005-1067. [PDF]

Smemo, K. A., N. E. Ostrom, M. R. Opdyke, P. H. Ostrom, S. Bohm, and G. P. Robertson. 2011. Improving process-based estimates of N2O emissions from soil using temporally extensive chamber techniques and stable isotopes. Nutrient Cycling in Agroecosystems 91: 145-154. [PDF]

Syswerda, S.P., A.T. Corbin, D.L. Mokma, A. N. Kravchenko, and G.P. Robertson. 2011. Agricultural management and soil carbon storage in surface vs. deep layers. Soil Science Society of America Journal 75: 92-101. [PDF]

Zenone, T., J. Chen, M. W. Deal, B. Wilske, P. Jasrotia, X. Jianye, A. K. Bhardwaj, S. K. Hamilton, and G. P. Robertson. 2011. CO2 fluxes of transitional bioenergy crops: Effect of land conversion during the first year of cultivation. Global Change Biology Bioenergy 3: 401-412. [PDF]

2010

Corbin, A. T., K. D. Thelen, G. P. Robertson, and R. H. Leep. 2010. Influence of cropping systems on soil aggregate and weed seedbank dynamics during the organic transition period. Agronomy Journal 102:1632-1640. [PDF]

Dale, V.H., R. Lowrance, P. J. Mulholland, and G. P. Robertson. 2010. Bioenergy sustainability at the regional scale. Ecology and Society 15, Article 23. [PDF ]

Gelfand, I., S.S. Snapp, and G.P. Robertson. 2010. Energy efficiency of conventional, organic, and alternative cropping systems at a site in the U.S. Midwest. Environmental Science and Technology 44: 4006-4011. [PDF]

McSwiney, C.P., S. Bohm, P.R. Grace, G.P. Robertson. 2010. Greenhouse gas emissions calculator for grain and biofuel farming systems. Journal of Natural Resources and Life Sciences Education 39: 125-131. [PDF]

Millar, N., G. P. Robertson, P. R. Grace, R. J. Gehl, and J. P. Hoben. 2010. Nitrogen fertilizer management for nitrous oxide (N2O) mitigation in intensive corn (maize) production: An emissions reduction protocol for US Midwest agriculture. Mitigation and Adaptation Strategies for Global Change 15: 185-204. [PDF]

Ostrom, N. E., R. L. Sutka, P. H. Ostrom, A. S. Grandy, K. H. Huizinga, H. Gandhi, J. C. von Fisher, and G. P. Robertson. 2010. Isotopologue data reveal denitrification as the primary source of N2O upon cultivation of a native temperate grassland. Soil Biology and Biochemistry 42: 499-506. [PDF]

Robertson, G.P., S.K. Hamilton, S. J. Del Grosso, and W.J. Parton. 2010. Growing Plants for Fuel: Predicting Effects on Water, Soil, and the Atmosphere. In Biofuels and Sustainability Reports: Ecological Society of America. [PDF]

Thelen, K.D., B.E. Fronning, A. N. Kravchenko, D.H. Min, and G.P. Robertson. 2010. Integrating livestock manure with a corn-soybean bioenergy cropping system improves short-term carbon sequestration rates and net global warming potential. Biomass & Bioenergy 34:960-966. [PDF]

2009

Gao, J., X. Hao, K. D. Thelen, and G. P. Robertson. 2009. Agronomic management system and precipitation effects on soybean oil and fatty acid profiles. Crop Science 49: 1049-1057. [PDF]

Getter, K. L., D. B. Rowe, G. P. Robertson, B. M. Cregg, and J. A. Andresen. 2009. Carbon sequestration potential orf extensive green roofs. Environmental Science Technology 43: 7564-7570. [PDF]

Kravchenko, A. N., X. Hao, and G. P. Robertson. 2009. Seven years of continuously planted Bt corn did not affect mineralizable and total soil C and total N in surface soil. Plant and Soil 318: 269-274. [PDF]

Loecke, T. D., and G. P. Robertson. 2009. Soil resource heterogeneity in terms of litter aggragation promotes nitrous oxide fluxes and slows decomposition. Soil Biology and Biochemistry 41: 228-235. [PDF]

Loecke, T. D., and G. P. Robertson. 2009. Soil resource heterogeneity in the form of aggregated litter alters maize productivity. Plant and Soil 325: 231-241. [PDF]

Robertson, G.P. and P.M. Vitousek. 2009. Nitrogen in agriculture: balancing the cost of an essential resource. Annual Review of Environment and Resources 34: 97-125. [PDF]

Searchinger, T. D., S. P. Hamburg, J. Melillo, W. L. Chameides, P. Havlik, D. M. Kammen, G. E. Likens, R. N. Lubowski, M. Obersteiner, M. Oppenheimer, G. P. Robertson, W. H. Schlesinger, and G. D. Tilman. 2009. Fixing a critical climate accounting error. Science 326: 527-528 and responses to letters, Science 327: 781 and 1200-1201. [PDF ]

Senthilkumar, S., B. Basso, A. N. Kravchenko, and G. P. Robertson. 2009. Contemporary evidence for soil carbon loss under different crop management systems and never tilled grassland in the U.S. corn belt. Soil Science Society of America Journal 73: 2078-2086. [PDF ]

Senthilkumar, S., A. N. Kravchenko, and G. P. Robertson. 2009. Topography influences management system effects on total soil carbon and nitrogen. Soil Science Society of America Journal 73: 2059-2067. [PDF]

Vitousek, P. M., R. Naylor, T. Crews, M. B. David, L. E. Drinkwater, H. E., P. J. Johnes, J. Katzenberger, L. A. Martinelli, P. A. Matson, G. Nziguheba, D. Ojima, C. A. Palm, G. P. Robertson, P. A. Sanchez, A. R. Townsend, and F. S. Zhang. 2009. Nutrient imbalances in agricultural development. Science 324: 1519-1520, and response to letters , Science 326: 665-666.[PDF]

2008

Cleland, E. E., C. Clark, S. Collins, J. Fargione, L. Gough, K. L. Gross, D. G. Milchunas, S. Pennings, W. D. Bowman, I. C. Burke, W. K. Lauenroth, G. P. Robertson, J. Simpson, D. Tilman, and K. N. Suding. 2008. Species responses to nitrogen fertilization in herbaceous plant communities and associated species traits (Data paper). Ecology 89: 1175. [PDF]

Robertson, G. P. 2008. Long-term ecological research: Re-inventing network science. Frontiers in Ecology and the Environment 6: 281. [PDF]

Robertson, G. P., V. G. Allen, G. Boody, E. R. Boose, N. G. Creamer, L. E. Drinkwater, J. R. Gosz, L. Lynch, J. L. Havlin, L. E. Jackson, S. T. A. Pickett, L. Pitelka, A. Randall, A. S. Reed, T. R. Seastedt, R. B. Waide, and D. H. Wall. 2008. Long-term agricultural research: A research education, and extension imperative. BioScience 58: 640-643. [PDF]

Robertson, G. P., V. H. Dale, O. C. Doering, S. P. Hamburg, J. M. Melillo, M. M. Wander, W. J. Parton, P. R. Adler, J. N. Barney, R. M. Cruse, C. S. duke, P. M. Fearnside, R. F. Follett, H. K. Gibbs, J. Goldemberg, D. J. Miadenoff, D. Ojima, M. W. Palmer, A. Sharpley, L. Wallace, K. C. Weathers, J. A. Wiens, and W. W. Wilhelm. 2008. Sustainable biofuels redux. Science 322: 49. [PDF]

Smith, R.G., Gross, K.L., Robertson, G.P. 2008. Effects of crop diversity on agrecosystem function: Crop yield response. Ecosystems 11: 355-366. [PDF]

Smith, R. G., C. P. McSwiney, A. S. Grandy, P. Suwanwaree, R. M. Snider, and G. P. Robertson. 2008. Diversity and abundance of earthworms across an agricultural land-use intensity gradient. Soil & Tillage Research 100: 83-88. [PDF]

2007

Collins S, Swinton S, Anderson C, Benson B, Brunt J, Gragson T, Grimm N, Grove M, Henshaw D, Knapp A, Kofinas G, Magnuson J, McDowel W, Melack J, Moore J, Ogden L, Porter J, Reichman O, Robertson GP, Smith M, VandeCastle J, Whitmer A (2007) Integrated Science for Society and the Environment: A strategic research initiative. LTER Network Office, Albuquerque, New Mexico [PDF]

Grandy, A. S., and G. P. Robertson. 2007. Land use intensity effects on soil C accumulation rates and mechanisms. Ecosystems 10: 59-74. [PDF]

Hamilton, S. K., A. L. Kurzman, C. Arango, L. Jin, and G. P. Robertson. 2007. Evidence for carbon sequestration by agricultural liming. Global Biogeochem. Cycles 21: GB2021, doi:10.1029/2006GB002738.[PDF]

Horvath, B. J., A. N. Kravchenko, G. P. Robertson, and J. M. Vargas, Jr. 2007. Geostatistical analysis of dollar spot epidemics occurring on a mixed sward of creeping bentgrass and annual bluegrass. Crop Science 47:1206-1216.[PDF]

Kravchenko, A. N., and G. P. Robertson. 2007. Can topographical and yield data substantially improve total soil carbon mapping by regression kriging? Agronomy Journal 99: 12-17. [PDF]

Robertson, G. P., L. W. Burger, C. L. Kling, R. Lowrance, and D. J. Mulla. 2007. New approaches to environmental management research at landscape and watershed scales. Pages 27-50 in M. Schnepf and C. Cox, eds. Managing Agricultural Landscapes for Environmental Quality. Soil and Water Conservation Society, Ankeny, Iowa, USA. [PDF]

Robertson, G. P., and P. Groffman. 2007. Nitrogen transformations. Pages 341-364 in E. A. Paul ed. Soil Microbiology, Biochemistry, and Ecology. Springer, New York, New York, USA. [PDF]

Smith, R. G., F. D. Menalled, and G. P. Robertson. 2007. Temporal yield variability under conventional and alternative management systems. Agronomy Journal 99: 1629-1634. [PDF]

Swinton, S. M., F. Lupi, G. P. Robertson, and S. K. Hamilton. 2007. Ecosystem services and agirculture: cultivating agriculture ecosystems for diverse benefits. Ecological Economics 64: 245-252. [PDF]

Ambus, P., and G. P. Robertson. 2006. The effect of increased N deposition on nitrous oxide, methane, and carbon dioxide fluxes from unmanaged forest and grassland communities in Michigan. Biogeochemistry 79: 315-337. [PDF]

Grace, P. R., M. Colunga-Garcia, S. H. Gage, G. P. Robertson, and G. R. Safir. 2006. The potential impact of agricultural management and climate change on soil organic carbon resources in terrestrial ecosystems of the North Central Region of the United States. Ecosystems 9: 816-827. [PDF]

Grace, P. R., J. N. Ladd, G. P. Robertson, and S. H. Gage. 2006. SOCRATES - A simple model for predicting long-term changes in soil organic carbon in terrestrial ecosystems. Soil Biology and Biochemistry 38: 1172-1176. [PDF]

Grandy, A. S., T. D. Loecke, S. Parr, and G. P. Robertson. 2006. Long-term trends in nitrous oxide emissions, soil nitrogen, and crop yields of till and no-till cropping systems. Journal of Environmental Quality 35: 1487-1495. [PDF]

Grandy, A. S., and G. P. Robertson. 2006. Aggregation and organic matter protection following tillage of a previously uncultivated soil. Soil Science Society of America Journal 70: 1398-1406. [PDF]

Grandy, A. S. and G. P. Robertson. 2006. Cultivation of a temperate-region soil at maximum carbon equilibrium immediately accelerates aggregate turnover and CO2 and N2O emissions. Global Change Biology 12: 1507-1520. [PDF]

Grandy, A. S., G. P. Robertson, and K. D. Thelen. 2006. Do productivity and environmental tradeoffs justify periodically cultivating no-till cropping systems? Agronomy Journal 98: 1377-1383. [PDF ]

Kravchenko, A. N., G. P. Robertson, X. Hao, and D. G. Bullock. 2006. Management practice effects on surface total carbon: Difference in spatial variability patterns. Agronomy Journal 98: 1559-1568. [PDF]

Kravchenko, A. N., G. P. Robertson, S. S. Snapp, and A. J. M. Smucker. 2006. Using information about spatial variability to improve estimates of total soil carbon. Agronomy Journal 98: 823-829. [PDF]

Robertson, G. P., and A. S. Grandy. 2006. Soil system management in temperate regions. Pages 27-39 in N. Uphoff, A. S. Ball, E. Fernandes, H. Herren, O. Husson, M. Laing, C. Palm, J. Pretty, P. Sanchez, N. Snanginga, and J. Thies, eds. Biological Approaches to Sustainable Soil Systems. CRC Press, Taylor and Francis Group, Boca Raton, Florida, USA. [PDF]

Swinton, S. M., F. Lupi, G. P. Robertson, and D. A. Landis. 2006. Ecosystem services from agriculture: Looking beyond the usual suspects. American Journal of Agricultural Economics 88: 1160-1166. [PDF]

2005

Kravchenko, A. N., G. P. Robertson, K. D. Thelen, and R. R. Harwood. 2005. Management, topographical, and weather effects on spatial variability of crop grain yields. Agronomy Journal 97: 514-523. [PDF ]

McSwiney, C. P., and G. P. Robertson. 2005. Non-linear response of N2O flux to incremental fertilizer addition in a continuous maize (Zea mays sp.) cropping system. Global Change Biology 11: 1712-1719. [PDF]

Morris, S. J., and G. P. Robertson. 2005. Linking function between scales of resolution. Pages 13-26 in J. Dighton, P. V. Oudemans, and J. F. White, eds. The Fungal Community, 3rd Ed. Marcel Dekker, New York, New York, USA.

Mosier, A. R., A. D. Halvorson, G. A. Peterson, G. P. Robertson, and L. Sherrod. 2005. Measurement of net global warming potential in three agroecosystems. Nutrient Cycling in Agroecosystems 7: 67-76. [PDF]

Robertson, G. P., and S. M. Swinton. 2005. Reconciling agricultural productivity and environmental integrity: A grand challenge for agriculture. Frontiers in Ecology and the Environment 3: 38-46. [PDF]

Suwanwaree, P., and G.P. Robertson. 2005. Methane oxidation in forest, successional, and no-till agricultural ecosysttems: Effects of nitrogen and soil disturbance. Soil Society of America Journal 69: 1722-1729. [PDF]

2004

Caldeira, K., M. G. Morgan, D. Baldocchi, P. G. Brewer, C. T. A. Chen, G.-J. Nabuurs, N. Nakicenovic, and G. P. Robertson. 2004. A portfolio of carbon management options. Pages 103-103 in C. B. Field and M. R. Raupach, eds. The Global Carbon Cycle. Island Press, Washington, DC, USA. [PDF ]

Kosola, K. R., D. M. Durall, G. P. Robertson, D. I. Dickmann, D. Parry, C. A. Russell, and E. A. Paul. 2004. Resilience of mycorrhizal fungi on defoliated and fertilized hybrid poplars. Canadian Journal of Botany 82: 671-680. [PDF]

Robertson, G. P. 2004. Abatement of nitrous oxide, methane, and the other non-CO2 greenhouse gases: The need for a systems approach. Pages 493-506 in C. B. Field and M. R. Raupach, eds. The Global Carbon Cycle. Island Press, Washington, DC, USA. [PDF]

Robertson, G. P., J. C. Broome, E. A. Chornesky, J. R. Frankenberger, P. Johnson, M. Lipson, J. A. Miranowski, E. D. Owens, D. Pimentel, and L. A. Thrupp. 2004. Rethinking the vision for environmental research in U.S. agriculture. BioScience 54: 61-65. [PDF ]

Robertson, G. P., and P. R. Grace. 2004. Greenhouse gas fluxes in tropical and temperate agriculture: The need for a full-cost accounting of global warming potentials. Environment, Development and Sustainability 6: 51-63. [PDF]

Russell, C. A., K. R. Kosola, E. A. Paul, and G. P. Robertson. 2004. Nitrogen cycling in poplar stands defoliated by insects. Biogeochemistry 68:365-381. [PDF]

2003

Dalal, R. C., W. Wang, G. P. Robertson, W. J. Parton, C. M. Myer, and R. J. Raison. 2003. Emission Sources of Nitrous Oxide from Australian Agricultural and Forest Lands and Mitigation Options, National Carbon Accounting System, Technical Report No. 35. Australian Greenhouse Office, Australian Government, Canberra, Australia. [PDF]

Dazzo, F. B., A. R. Joseph, A. Gomaa, Y. G. Yanni, and G. P. Robertson. 2003. Quantitative indices for the autecological biogeography of a rhizobium endophyte of rice at macro and micro spatial scales. Symbiosis 35:147-158. [PDF]

Fortuna, A. M., R. R. Harwood, G. P. Robertson, J. W. Fisk, and E. A. Paul. 2003. Seasonal changes in nitrification potential under sustainable management systems. Agriculture, Ecosystems and the Environment 97: 285-293. [PDF]

Grace, P. R., M. C. Jain, L. W. Harrington, and G. P. Robertson. 2003. Long-term sustainability of the tropical and subtropical rice and wheat system: An environmental perspective. Pages 27-43 in J. K. Ladha, J. E. Hill, J. M. Duxbury, R. K. Gupta, and R. J. Buresh, eds. Improving the Productivity and Sustainability of Rice-Wheat System: Issues and Impacts. American Society of Agronomy Special Publication 65, Madison, Wisconsin, USA. [PDF]

2002

Bergsma, T.T., G. P. Robertson, and N. E. Ostrom. 2002. Influence of soil moisture and land use history on denitrification end-products. Journal of Environmental Quality 31: 711-717. [PDF]

Ostrom, N. E., L. O. Hedin, J. C. von Fischer, and G. P. Robertson. 2002. Nitrogen transformations and NO3- removal at a soil-stream interface: a stable isotope approach. Ecological Applications 12:1027-1043. [PDF]

2001

Ambus, P., E. S. Jensen, and G. P. Robertson. 2001. Nitrous oxide and N-leaching losses from agricultural soil: influence of crop residue particle size, quality and placement. Phyton (Austria) 41: 7-15. [PDF]

Bergsma, T. T., N. E. Ostrom, M. Emmons, and G. P. Robertson. 2001. Measuring simultaneous fluxes from soil of N2O and N2 in the field using the 15N-Gas "Nonequilibrium" technique. Environmental Science and Technology 35: 4307-4312. PDF

Cavigelli, M. A., and G. P. Robertson. 2001. Role of denitrifier diversity in rates of nitrous oxide consumption in a terrestrial ecosystem. Soil Biology and Biochemistry 33:297-310. [PDF]

Daroub, S., B. G. Ellis, and G. P. Robertson. 2001. Effect of cropping and low-chemical input systems on soil phosphorus fractions. Soil Science 166: 281-291. [PDF]

Robertson, G. P., P. J. Barry, F. F. Busta, R. J. Collier, N. T. Keen, R. R. Sederoff, W. W. Simpkins, F. Stormshak, and T. N. Urban. 2001. Moribund funding in agricultural research (Letter). Science 291: 2089-2090. [PDF]

Robertson, G. P., and R. R. Harwood. 2001. Sustainable agriculture. Pages 99-108 in S. A. Levin, ed. Encyclopedia of Biodiversity. Academic Press, New York. [PDF]

2000

Cavigelli, M. A., and G. P. Robertson. 2000. The functional significance of denitrifier community composition in a terrestrial ecosystem. Ecology 81:1402-1414. [PDF]

Stoyan, H., H. De-Polli, S. Bohm, G. P. Robertson, and E. A. Paul. 2000. Spatial variability of soil respiration and related soil properties at the plant scale. Plant and Soil 222: 203-214. [PDF]

Robertson, G. P. Denitrification. 2000. In M.E. Sumner et al., eds. Handbook of Soil Science. CRC Press, Boca Raton, FL. [PDF]

Robertson, G. P., and E. A. Paul. 2000. Decomposition and soil organic matter dynamics. Pages 104-116 in E. S. Osvaldo, R. B. Jackson, H. A. Mooney, and R. W. Howarth, eds. Methods in Ecosystem Science. Springer Verlag, New York, New York, USA. [PDF]

Robertson, G. P., E. A. Paul, and R. R. Harwood. 2000. Greenhouse gases in intensive agriculture: Contributions of individual gases to the radiative forcing of the atmosphere. Science 289:1922-1925. [PDF]

1999

Ambus, P., and G. P. Robertson. 1999. Fluxes of CH4 and N2O from Aspen stands grown under ambient and twice-ambient CO2. Plant and Soil 209:1-8. [PDF]

Bergsma, T. T., Q.C. Bergsma, N.E. Ostrom, and G. P. Robertson. 1999. A heuristic model for the calculation of dinitrogen and nitrous oxide flux from 15N-labeled soil. Soil Science Society of America Journal 63:1709-1716. PDF

Groffman, P. M., E. A. Holland, D. D. Myrold, G. P. Robertson, and X. Zou. 1999. Denitrification. Pages 272-290 in G. P. Robertson, C. S. Bledsoe, D. C. Coleman, and P. Sollins, eds. Standard Soil Methods for Long-Term Ecological Research. Oxford University Press, New York. [PDF]

Holland, E. A., G. P. Robertson, J. Greenberg, P. Groffman, R. Boone, and J. Gosz. 1999. Soil CO2, N2O, and CH4 Exchange. Pages 185-201 in G. P. Robertson, C. S. Bledsoe, D. C. Coleman, and P. Sollins, eds. Standard Soil Methods for Long-Term Ecological Research. Oxford University Press, New York.

Martinelli, L. A., M. C. Piccolo, A. R. Townsend, P. M. Vitousek, E. Cuevas, W. McDowell, G. P. Robertson, O. C. Santos, and K. Treseder. 1999. Nitrogen stable isotopic composition of leaves and soil: tropical versus temperate forests. Pages 45-65 in A. R. Townsend, ed. New Perspectives on Nitrogen Cycling in the Temperate and Tropical Americas. Kluwer Academic Press, Dordrecht, The Netherlands.

Paul, E. A., D. Harris, H. P. Collins, U. Schulthess, and G. P. Robertson. 1999. Evolution of CO2 and soil carbon dynamics in biologically managed, row-crop agroecosystems. Applied Soil Ecology 11: 53-65. [PDF]

Robertson, G. P. 1999. Keeping track of carbon (Letter). Science 285: 1849.[PDF]

Robertson, G. P., J. M. Blair, P. M. Groffman, D. Harris, E. Holland, K. Nadelhoffer, and D. Wedin. 1999. Soil carbon and nitrogen availability: nitrogen mineralization, nitrification, and soil respiration potentials. Pages 258-271 in G. P. Robertson, C. S. Bledsoe, D. C. Coleman, and P. Sollins, eds. Standard Soil Methods for Long-Term Ecological Research. Oxford University Press, New York. [PDF]

Robertson, G. P., C. S. Bledsoe, D. C. Coleman, and P. Sollins, eds. 1999. Standard Soil Methods for Long-Term Ecological Research. Oxford University Press, New York.

Robertson, G. P., P. Sollins, B. G. Ellis, and K. Lajtha. 1999. Exchangeable ions, pH, and cation exchange capacity. Pages 106-114 in G. P. Robertson, C. S. Bledsoe, D. C. Coleman, and P. Sollins, eds. Standard Soil Methods for Long-Term Ecological Research. Oxford University Press, New York. [PDF]

Ambus, P. and G. P. Robertson. 1998. Automated near-continuous measurement of CO2 and N2O fluxes with a photoacoustic infra-red spectrometer and flow-through soil cover boxes. Soil Science Society of America Journal 62:394-400. [PDF]

Hedin, L. O., J. C. von Fischer, N. E. Ostrom, B.P. Kennedy, M. G. Brown, and G. P. Robertson. 1998. Thermodynamic and hydrologic controls on the biogeochemical structure of riparian soil-steam interfaces. Ecology 79:684-703. [PDF]

Ostrom, N. E., K. E. Knoke, L. O. Hedin, G. P. Robertson, and A. J. M. Smucker. 1998. Temporal trends in nitrogen isotope values of nitrate leaching from an agricultural soil. Chemical Geology 146: 219-227. [PDF]

Robertson, G. P. 1998. Row crops as ecosystems. Pages 1-16 in M. A. Cavigelli, S. Deming, L. K. Probyn, and R. R. Harwood, eds. Michigan Field Crop Ecology: Managing Biological Processes for Productivity and Environmental Quality. Michigan Agricultural Experiment Station Bulletin, Michigan State University, East Lansing, Michigan, USA.

Robertson, G. P. and E.A. Paul. 1998. Ecological research in agricultural ecosystems: contributions to ecosystem science and to the management of agronomic resources. Pages 142-164 in P.M. Groffman and M.L. Pace (eds) Successes, Limitations and Frontiers in Ecosystem Science, Cary Conference VII, Springer-Verlag, NY.

Robertson, G.P. 1997. Nitrogen use efficiency in row crop agriculture: crop nitrogen use and soil nitrogen loss. Pages 347-365 in L. Jackson, ed. Ecology in Agriculture, Academic Press, NY.

Robertson, G.P., K.M. Klingensmith, M.J. Klug, E.A. Paul, J.R. Crum, and B.G. Ellis. 1997. Soil resources, microbial activity, and plant productivity across an agricultural ecosystem. Ecological Applications, 7:158-170. [PDF]

1995

Cavigelli, M.A., G.P. Robertson, and M.J. Klug. 1995. Fatty acid methyl ester (FAME) profiles as measures of soil community structure. Plant and Soil 170:99-113. [PDF]

Collins, H.A., G.P. Robertson, and M.J. Klug, eds. 1995. The Significance and Regulation of Soil Biopdiversity. Kluwer Academic Press, Dordrecht, The Netherlands.

Paustian, K., Robertson, G.P., Elliott, E.T., 1995. Management impacts on carbon storage and gas fluxes (CO2, CH4) in mid-latitude cropland ecosystems. In: Lal, R., Kimble, J.M., Levine, E., Stewart, B.A. (Eds.), Soil Management and the Greenhouse Effect, Advances in Soil Science. CRC Press, Boca Raton, Florida, USA, pp. 69-84.

Robertson, G.P. and D.W. Freckman. 1995. The spatial distribution of nematode trophic groups across a cultivated ecosystem. Ecology 76:1425-1432. [PDF]

1994

Henrot, J. and G.P. Robertson. 1994. Vegetation removal in two soils of the humid tropics: effect on microbial biomass. Soil Biology and Biochemistry 26:111-116. [PDF]

Robertson, G.P. 1994. The impact of soil and crop management practices on soil spatial heterogeneity. Pages 156-161 in C.E. Pankhurst, B.M. Doube, V.V.S.R. Gupta, and P.R. Grace, eds. Soil Biota Management in Sustainable Farming Systems, CSIRO Press, Melbourne, Australia.

Robertson, G.P. and K.L. Gross. 1994. Assessing the heterogeneity of below ground resources: quantifying pattern and scale. Pages 237-253 In M.M. Caldwell and R. Pearcy, eds. Plant Exploitation of Environmental Heterogeneity. Academic Press, New York. [PDF]

Smith, K.A., G.P. Robertson, and J.M. Melillo. 1994. Trace gas exchange between the terrestrial biosphere and the atmosphere in the midlatitudes. pp. 179-204 in R.G. Prinn, ed. Global Atmospheric-Biospheric Chemistry. Plenum Press, NY.

1993

Robertson, G.P. 1993. Fluxes of nitrous oxide and other nitrogen trace gases from intensively managed landscapes: a global perspective. Pages 95-108 in L.A. Harper, A.R. Mosier, J.M. Duxbury, and D.E. Rolston. eds. Agricultural Ecosystem Effects on Trace Gases and Global Climate Change. American Society of Agronomy, Madison, Wisconsin, USA.

Robertson, G.P., J.R. Crum, and B.G. Ellis. 1993. The spatial variability of soil resources following long-term disturbance. Oecologia 96:451-456.[PDF]

1992

Schimel, J.P., G.P. Robertson, and others. 1992. Impacts of trace gas fluxes in mid-latitude ecosystems. Ecol. Bull. (Stockholm) 42:124-132. [PDF]

1989

Palm, C., G. P. Robertson, and P. M. Vitousek. 1989. Nitrogen availability. Pages 162-168 in J. M. Anderson and J. S. I. Ingram, eds. Tropical Soil Biology and Fertility: A Handbook of Methods. CAB International, Wallingford, UK.

Paul, E.A. and G.P. Robertson. 1989. Ecology and the agricultural sciences: a false dichotomy? Ecology 70:1594-1596. [PDF]

Robertson, G.P. 1989. Nitrification and denitrification in humid tropical ecosystems. Pages 55-70 in J. Proctor, ed. Mineral Nutrients in Tropical Forest and Savanna Ecosystems. Blackwell Scientific, Cambridge, Massachusetts, USA.

Robertson, G.P., M.O. Andreae, H.G. Bingemer, P.J. Crutzen, R.A. Delmas, J.H. Duyzer, I. Fung, R.C. Harriss, M. Kanakidou, M. Keller, J.M. Melillo, and G.A. Zavarzin. 1989. Trace gas exchange and the physical and chemical climate: critical interactions. In M.O. Andreae and D.S. Schimel, eds. Trace Gas Exchange between Terrestrial Ecosystems and the Atmosphere. John Wiley, Berlin.

Groffman, P.M., J.M. Tiedje, G.P. Robertson and S. Christensen. 1988. Denitrification at different temporal and geographic scales: proximal and distal controls. pp. 174-192. In J.R. Wilson, ed. Advances in N Cycling in Agricultural Ecosystems. Comm. Agric. Bur. International, Wallingford, U.K.

Robertson, G.P., 1988. Book review: B.N. Richards, ed. The Microbiology of Terrestrial Ecosystems. Ecology 69: 1312. [PDF]

Robertson, G.P., M.A. Huston, F.C. Evans and J.M. Tiedje. 1988. Spatial variability in a successional plant community: patterns of nitrogen availability. Ecology 69:1517-1524. [PDF]

Robertson, G.P. and J.M. Tiedje. 1988. Denitrification in a humid tropical rainforest. Nature 336:756-759. [PDF]

Sollins, P., G.P. Robertson, and G. Uehara. 1988. Nutrient mobility in variable- and permanent-charge soils. Biogeochemistry 6:181-199. [PDF]

1987

Matson, P.A., P.M. Vitousek, J.J. Ewel, M.J. Mazzarino and G.P. Robertson. 1987. Nitrogen cycling following land clearing in a premontane wet tropical forest near Turrialba, Costa Rica. Ecology 68:491-502. [PDF]

Robertson, G.P. 1987. Geostatistics in ecology: interpolating with known variance. Ecology 68:744-748. [PDF]

Robertson, G.P. and J.M. Tiedje. 1987. Nitrous oxide sources in aerobic soils: nitrification, denitrification, and other biological processes. Soil Biology and Biochemistry 19:187-193. [PDF]

Robertson, G.P., P.M. Vitousek, P.A. Matson and J.M. Tiedje. 1987. Denitrification in a clear cut loblolly pine plantation in the Southeastern U.S.: differences related to harvest intensity, site preparation, and cultivation practice. Plant and Soil 97:119-129. [PDF]

1986

Robertson, G.P. 1986. Regional contributions to the global nitrogen cycle. Environment 28:16-29.

Robertson, G.P. and T. Rosswall. 1986. Nitrogen in West Africa: the regional cycle. Ecological Monographs 56:43-72. [PDF]

1985

Robertson, G.P. and J.M. Tiedje. 1985. An automated method for sampling the contents of stoppered gas collection vials. Plant and Soil 83:453-457. [PDF ]

1984

Robertson, G.P. 1984. Nitrification and nitrogen mineralization in a lowland rainforest succession in Costa Rica, Central America. Oecologia 61:99-104. [PDF]

Robertson, G.P. and J.M. Tiedje. 1984. Denitrification and nitrous oxide production in successional and old growth Michigan forests. Soil Science Society of America Journal 48:383-389. [PDF]

Robertson, G.P., 1984. Book review: B. Bolin and B. Cook, eds.  The Major Biogeochemical Cycles and their Interactions. Ecology 65: 1703-1704. [PDF]

1982

Robertson, G.P. 1982. Factors regulating nitrification in primary and secondary succession. Ecology 63:1561-1573. [PDF]

Robertson, G.P. 1982. Nitrification in forested ecosystems. Phil. Trans. Roy. Soc. Lond. B 296:445-457. [PDF]

Robertson, G.P. 1982. Regional nitrogen budgets: approaches and problems. Plant & Soil 67:73-80. [PDF]

Robertson, G.P., R. Herrera and T. Rosswall (eds). 1982. Nitrogen Cycling in Ecosystems of Latin America and the Caribbean. Developments in Plant and Soil Sciences, Vol. 6. Martinus Nijhoff/D. W. Junk, The Hague. Also published as Plant & Soil 67:1-430. [PDF ]

1981

Robertson, G.P. and P.M. Vitousek. 1981. Nitrification in the course of ecological succession. BioScience 31:141-144. [PDF]

Robertson, G.P. and P.M. Vitousek. 1981. Nitrification in primary and secondary succession. Ecology 62:376-386. [PDF]