Hamilton, S. K. 2008. Flood plains. Pages (in press). Encyclopedia of Inland Waters. Elsevier.

Hamilton, S. K. 2008. Floodplain wetlands of large river systems. Pages (in press). Encyclopedia of Inland Waters. Elsevier.

Mutch, D. R., S. A. Thalman, T. E. Martin, and D. G. Bass, eds. 2008. Flaming as a Method of Weed Control in Organic Farming Systems; Extension Bulletin E-3038. Michigan State University, East Lansing, Michigan.

Qi, J., S. H. Gage, W. Joo, B. Napoletano, and S. Biswas. 2008. Soundscape characteristics of an environment: A new ecological indicator of ecosystem health. Pages 201-211 in W. Ji, ed. Wetland and Water Resource Modeling and Assessment. CRC Press, New York, New York.

Rudy, A. P., C. K. Harris, B. J. Thomas, M. R. Worosz, S. C. Kaplan, and E. C. O’Donnell. 2008. The political ecology of Southwest Michigan Agriculture, 1837-2000. Pages 152-205 in C. L. Redman and D. R. Foster, eds. Agrarian Landscapes in Transition. Oxford University Press, New York, New York.

Brewer, M., A. Fiedler, E. Grafius, R. Isaacs, M. E. Kaiser, D. Landis, S. Langley, T. E. Martin, D. Mutch, and J. Tuell. 2007. IPM benefits of managing field borders, covercrops and other noncrop vegetation in S. Deming, L. Johnson, D. Lehnert, and D. Mutch, eds. Building a Sustainable Future: Ecologically Based farming Systems. Extension Bulletin E-2983. Michigan State University, East Lansing, Michigan.

Gross, K., and S. A. Emery. 2007. Succession and restoration in Michigan old-field communities. Pages (in press) in V. Kramer and R. J. Hobbs, eds. Old-Fields: Dynamics and Restoration of Abandoned Farmland. Island Press.

Robertson, G. P., and P. Groffman. 2007. Nitrogen transformations. Pages 341-364 in E. A. Paul, ed. Soil Microbiology, Ecology, and Biochemistry. Elsevier Academic Press, Oxford, UK.

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.

Scriber, J. M., G. Ording, and R. Mercader. 2007. Hybrid introgression and parapatric speciation in a hybrid zone. Pages (in press) in K. Tilman, ed. Populations, Species, and Phylogenies: Evolution in Insect – Plant Systems. University of California Press.

Thorn, R. G., and M. D. Lynch. 2007. Soil fungi. Pages 145-162 in E. A. Paul, ed. Soil Microbiology, Biochemistry, and Ecology. Elsevier Academic Press, Oxford, UK.

Velbel, M. A. 2007. Surface textures and dissolution processes of heavy minerals in the sedimentary cycle: Examples from pyroxenes and amphiboles. Pages 113-150 in M. Mange and D. Wright, eds. Heavy Minerals in Use: Developments in Sedimentology. Elsevier Press.

Velbel, M. A., J. T. McGuire, and A. S. Madden. 2007. Scanning electron microscopy of garnet from souther Michigan soils: Etching rates and inheritance of pre-glacial and pre-pedogenic grain-surface textures. Pages 413-432 in M. Mange and D. Wright, eds. Heavy Minerals in Use: Developments in Sedimentology. Elsevier Press.

Bird, G. W., and M. J. Brewer. 2006. Innovative integrated pest management for sustainable systems. Pages 25-49 in C. Francis, R. Poincelot, and G. W. Bird, eds. Developing and Extending Sustainable Agriculture: A New Social Contract. The Haworth Press, Binghampton, New York, USA.

Dazzo, F. B., and Y. G. Yanni. 2006. The natural rhizobium-cereal crop association as and example of plant-bacteria interaction. Pages 109-127 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.

Francis, C. R., C. R. Poincelot, and G. W. Bird, eds. 2006. Developing and Extending Sustainable Agriculture: A New Social Contract. Haworth Press, Binghamton, New York.

Gardiner, M., C. DiFonzo, M. Brewer, and T. Noma. 2006. Identifying Natural Enemies in Field Crops, Extension Bulletin E-2949. Michigan State University, East Lansing, Michigan.

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.

Stres, B., and J. M. Tiedje. 2006. New frontiers in soil microbiology: How to link structure and function of microbial communities? Pages 1-22 in P. Nannipieri and K. Smalla, eds. Soil Biology, Nucleic Acids and Proteins in Soil. Springer Verlag, Berlin, Heidelberg, Germany

Thorn, R. G., M.-A. Lachance, and J. Scott. 2006. Methods for studying terrestrial fungal ecology and diversity in C. A. Reddy, T. J. Beveridge, J. A. Breznak, L. Snyder, T. M. Schmidt, and G. A. Marzluf, eds. Methods for General and Molecular Microbiology. American Society for Microbiology Press, Washington, DC.

Davis, A., K. Renner, C. Sprague, L. Dyer, and D. Mutch, eds. 2005. Integrated Weed Management: One Year’s Seeding. Michigan State University Extension Bulletin E-2931, East Lansing, Michigan, USA.

Mercader, R., and J. M. Scriber. 2005. Phenotypic plasticity in host selection in adult tiger swallowtail butterflies, Papilio glaucus (Lepidptera: Papilionidae). Pages 25-57 in T. N. Ananthakrishnan, ed. Insects and Phenotypic Plasticity. IHB, Oxford, England, UK.

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.

Robertson, G. P. 2005. Biogenic trace gas emissions from terrestrial ecosystems: The need for full-cost accounting mitigation strategies. Proceedings of the 2005 International Plant Nutrition Conference, Beijing, China, PRC.

Treseder, K. K., S. J. Morris, and M. F. Allen. 2005. The contribution of root exudates, symbionts, and detritus to carbon sequestration in the soil. Pages 145-162 in R. W. Zobel and S. F. Wright, eds. Roots and Soil Management – Interactions between Roots and Soil. American Society of Agronomy, Madison, Wisconsin.

Bills, G. F., M. Christensen, M. Powell, and G. Thorn. 2004. Saprobic soil fungi. Pages 271-302 in G. M. Mueller, G. F. Bills, and M. S. Foster, eds. Biodiversity of Fungi: Inventory and Monitoring Methods. Elsevier Academic Press, Amsterdam, The Netherlands.

Bird, G. W., R. R. Harwood, J. E. Sanchez, M. F. Berney, J. Smeenk, and J. J. Smith. 2004. Role of nematodes in nutrient cycling. Phytopathology 94: S129.

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 103-130 in C. B. Field and M. R. Raupach, eds. The Global Carbon Cycle. Island Press, Washington, DC, USA.

Council for Agricultural Science and Technology (CAST). 2004. Climate Change and Greenhouse Gas Mitigation: Challenges and Opportunities for Agriculture. Task Force Report No. 141, Council for Agricultural Science and Technology (CAST), Ames, Iowa, USA.

Dazzo, F. B. 2004. Applications of quantitative microscopy in studies of plant surface microbiology. Pages 503-550 in A. Varma, L. Abbott, D. Werner, and R. Hampp, eds. Plant Surface Microbiology. Springer Verlag, Germany.

Dazzo, F. B. 2004. Production of anti-microbial antibodies and their utilization in studies of microbial autecology by immunofluorescence microscopy and in situ CMEIAS image analysis. Pages 911-932 in G. A. Kowalchuk, F. deBruijn, I. Head, A. Akkermans, and J. Elsas, eds. Molecular Microbial Ecology Manual, 2nd ed. Kluwer, Dordrecht, The Netherlands.

Menalled, F., and D. A. Landis. 2004. Conservation of ground beetles in annual crops. Pages 593-595 in J. Capinera, ed. Encyclopedia of Entomology. Kluwer Academic Press, Dordrecht, The Netherlands.

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.

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.

Bird, G. W. 2003. Role of integrated pest management and sustainable development. Pages 73-85 in K. S. Maredia, D. Dakouo, and D. Mota-Sanchez, eds. Integrated Pest Management in the Global Arena. CABI Publishing, Cambridge, Massachusetts, USA.

Gage, S. H. 2003. Climate variability in the North Central Region: Characterizing drought severity patterns. Pages 56-73 in D. Greenland, D. Goodin, and R. Smith, eds. Climate Variability and Ecosystem Response at Long Term Ecological Research Sites. Oxford University Press, Oxford, UK.

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.

Menalled, F., M. Liebman, and K. Renner. 2003. The ecology of weed seed predation in herbaceous crop systems in D. Batish, ed. Handbook of Sustainable Weed Management. The Haworth Press, Binghampton, New York, USA.

Scriber, J. M., A. Stump, and M. Deering. 2003. Hybrid zone ecology and tiger swallowtail trait clines in North America. Pages 367-391 in C. Boggs, W. Watt, and P. Erlich, eds. Ecology and Evolution Taking Flight: Butterflies as Model Study Systems. University of Chicago Press, Chicago, Illinois, USA.

Smucker, A. J. M. 2003. Root carbon contributions to soil aggregate formation and function. Pages 421-426 in J. Abe, ed. Roots: The Dynamic Interface between Plants and the Earth. Kluwer Academic Publishers, The Netherlands.

Buckley, D. H., and T. M. Schmidt. 2002. Exploring the diversity of soil – a microbial rainforest. Pages 183-208 in J. T. Staley and A. L. Reysenbach, eds. Biodiversity of Microbial Life: Foundation of Earth’s Biosphere. Wiley, New York, New York, USA.

Gage, S. H., J. R. Gosz, and W. Michener. 2002. Site to regional scaling. Pages 37-41 in A. Withey, W. Michener, and P. Tooby, eds. Scalable Information Networks for the Environment. San Diego Supercomputer Center, San Diego, California, USA.

Harris, C. K., and C. Bailey. 2002. Public preferences for a clean, green agricultural machine. Pages 31-42 in C. K. Harris, J. Molnar, T. Tomazic, and R. Wimberley, eds. The Social Risks of Agriculture: Americans Speak Out on Food. Praeger, New York, New York, USA.

Harris, C. K., J. Molnar, T. Tomazic, and R. Wimberley, eds. 2002. The Social Risks of Agriculture: Americans Speak Out on Food. Praeger, New York, New York, USA.

Harwood, R. R. 2002. Sustainable agriculture on a populous, industrialized landscape: Building ecosystem vitality and productivity. Pages 305-315 in R. Lal, D. Hansen, N. Uphoff, and S. Slack, eds. Food Security and Environmental Quality in the Developing World. CRC Press, Boca Raton, Florida, USA.

Kavdir, Y., and A. J. M. Smucker. 2002. Soil aggregate sequestration of cover crop root and shoot residue nitrogen. Pages 134-142. Proceedings of the International Conference on Sustainable Land Use and Management. Soil Science Society of Turkey, Turkey.

McDermott, T. R., and F. B. Dazzo. 2002. Use of fluorescent antibodies for studying the ecology of soil- and plant-associated microbes. Pages 615-626 in C. Hurst, R. C. Crawford, G. R. Knudsen, M. J. McInerney, and L. D. Stetzenbach, eds. Manual of Environmental Microbiology. American Society for Microbiology Press, Washington, DC, USA.

Morris, S. J., and E. A. Paul. 2002. Forest ecology and soil organic matter. Pages 109-125 in J. M. Kimble, R. A. Birdsey, R. Lal, R. F. Follett, and J. Heath, eds. The Potential of US Forest Soil to Sequester Carbon and Mitigate the Greenhouse Effect. CRC Press, Boca Raton, Florida, USA.

Smucker, A. J. M. 2002. Root contributions to soil structure. Pages 1273-1275 in R. Lal, ed. Encyclopedia of Soil Science. Marcel Dekker, Inc., New York, New York, USA.

Smucker, A. J. M., and Y. Kavdir. 2002. Biophysical infrastructures that promote carbon sequestration within soil aggregates. Pages 129-133. Proceedings of the International Conference on Sustainable Land Use and Management. Soil Science Society of Turkey, Turkey.

Bird, G. W. 2001. Patterns of agricultural sustainability. Pages 101-106. Sustainable Agriculture: Possibility and Direction, 2nd Asia-Pacific Conference on Sustainable Agriculture. Thailand national Science and Technology Development Agency, Bankok, Thailand.

Fageria, N. K., and J. M. Scriber. 2001. The role of essential nutrients and minerals in insect resistance in crop plants. Pages 23-54 in T. Anathakrishnan, ed. Insects and Plant Defense Dynamics. Oxford and IHB, New Delhi, India.

Harwood, R. R. 2001. Sustainability in agriculture systems in transition – At what cost? Pages 7-30 in W. Payne, D. Keeney, and S. Rao, eds. Sustainability of Agricultural Systems in Transition. ASA-CSSA-SSSA Special Publication #64.

Isard, S. A., and S. H. Gage. 2001. Flow of Life in the Atmosphere: An Airscape Approach to Understanding Invasive Organisms. Michigan State University Press, East Lansing, Michigan, US.

Menalled, F., J. Dauer, T. Fox, and K. Renner. 2001. Managing Your Farm to Increase Weed Seed Predation. Michigan State University Extension Bulletin E-2749, East Lansing, MI.

Paul, E. A., S. J. Morris, and S. Bohm. 2001. The determination of soil C pool sizes and turnover rates: Biophysical fractionation and tracers. Pages 193-206 in R. Lal, J. M. Kimble, R. F. Follett, and B. A. Stewart, eds. Assessment Methods for Soil Carbon. CRC Press, Boca Raton, Florida, USA.

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.

Sanchez, J. E., R. R. Harwood, J. LeCureux, J. E. Shaw, M. Shaw, S. Smalley, J. Smeenk, and R. Voelker. 2001. Integrated Cropping System for Corn-Sugar Beet-Dry Bean Rotation. Michigan State University Extension Bulletin E-2738, East lansing, Michigan, USA.

Bird, G. W. 2000. Nematodes and soil quality. Pages 84-94 in L. K. Probyn, M. A. Cavigelli, and D. R. Mutch, eds. Michigan Field Crop Pest Ecology and Management. Michigan State University Extension Bulletin E-2704, East Lansing, MI.

Bird, G. W., and J. W. Fisk. 2000. Standards, technology, institutions, and economics of organic farming in the USA. Pages 213-228. Proceedings of the International Seminar on Development of Agribusiness and its Impact on Agriculture Production in Southeast Asia. Tokyo University of Agriculture, Tokyo, Japan.

Cavigelli, M. A. 2000. Soil ecology and pest management. Pages 25-34 in L. K. Probyn, M. A. Cavigelli, and D. R. Mutch, eds. Michigan Field Crop Pest Ecology and Management. Michigan State University Extension Bulletin E-2704, East Lansing, MI.

Dazzo, F., and J. Wopereis. 2000. Unraveling the infection process in the Rhizobium-legume symbiosis by microscopy. Pages 295-347 in E. Triplett, ed. Prokaryotic Nitrogen Fixation: A Model System for the Analysis of a Biological Process. Horizon Scientific Press, Wymondham, UK.

Groffman, P. M. 2000. Nitrogen in the environment. Pages C190-200 in M. E. Sumner, ed. Handbook of Soil Science. CRC Press, Boca Raton, Florida, USA.

Gross, K. L. 2000. Ecological interactions in agricultural systems: Evaluating what we know and how to apply it. Pages 37-47 in P. K. Jha, S. B. Karmacharya, R. R. Baral, and P. Lacoul, eds. Environment and Agriculture: At the Crossroads of the New Millenium. Ecological Society of Nepal.

Landis, D. A., F. D. Menalled, J. C. Lee, and D. M. Carmona. 2000. Habitat modification to enhance biological control in IPM. Pages 226-239 in G. G. Kennedy and T. B. Sutton, eds. Emerging Technologies for Integrated Pest Management: Concepts, Research, and Implementation. APS Press, St. Paul, MN.

Marino, P. C., and D. A. Landis. 2000. Parasitoid community structure: implications for biological control in agricultural landscapes. Pages 181-191 in B. Ekbom, ed. Interchanges of Insects Between Agricultural and Surrounding Landscapes. Kluwer Academic Press, Dordrecht, The Netherlands.

Menalled, F. D., and D. A. Landis. 2000. Principals of field crop pest ecology. Pages 14-24 in L. K. Probyn, M. A. Cavigelli, and D. R. Mutch, eds. Michigan Field Crop Pest Ecology and Management. Michigan State University Extension Bulletin E-2704, East Lansing, MI.

Norton, J. M. 2000. Nitrification. Pages C160-181 in M. E. Sumner, ed. Handbook of Soil Science. CRC Press, Boca Raton, Florida, USA.

Paul, E. A. 2000. Soil microbiology and biochemistry: Directions and challenges for the future. Pages 25-49 in J. O. Siqueira, F. M. S. Moreira, A. S. Lopes, L. R. G. Giilherme, V. Faquin, A. E. Furtini Neto, and J. G. Carvalho, eds. Soil Fertility, Soil biology, and Plant Nutrient Interrelationships. Society Brasileira de Ciencia do Solo, Lavras-MG, Brazil.

Probyn, L. K., M. A. Cavigelli, and D. R. Mutch, eds. 2000. Michigan Field Crop Pest Ecology and Management. Michigan State University Extension Bulletin E-2704, East Lansing, Michigan, USA.

Ritchie, J. T., and J. Wei. 2000. Models of kernel number in maize. Pages 75-88 in M. Westgate and K. Boote, eds. Physiology and Modeling Kernel Set in Maize. American Society of Agronomy and Crop Science Society of America, Madison, WI.

Robertson, G. P. 2000. Denitrification. Pages C181-190 in M. E. Sumner, ed. Handbook of Soil Science. CRC Press, Boca Raton, Florida, USA.

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.

Thelen, K. D. 2000. Putting it all together: the big picture. Pages 95-100 in L. K. Probyn, M. A. Cavigelli, and D. R. Mutch, eds. Michigan Field Crop Pest Ecology and Management. Michigan State University Extension Bulletin E-2704, East Lansing, MI.

Vanderpool, C. K. 2000. Crisis of confidence: social cultural understanding of food safety under stress. Pages 107-112. Proceedings of the Second NSF International Conference on food Safety: Preventing Foodborne Illness Through Science and Education. NSF International, Ann Arbor, Michigan, USA.

Cora, J., F. J. Pierce, B. Basso, and J. T. Ritchie. 1999. Simulation of within field variability of corn yield with CERES-Maize model. Pages 1309-1319 in P. C. Robert, R. H. Rust, and W. E. Larson, eds. Precision Agriculture. ASA-CSSA-SSSA, Madison, Wisconsin, USA.

Fahey, T., C. S. Bledsoe, F. Day, R. Reuss, and A. J. M. Smucker. 1999. Fine root production and demography. Pages 437-455 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.

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.

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.

Landis, D. A., and P. C. Marino. 1999. Conserving parasitoid communities of native pests: Implications for agricultural landscape structure. Pages 38-51 in L. Charlet and G. Brewer, eds. Biological Control of Native of Indegenous Pests. Proceedings Thomas Say Publications in Entomology. Entomoligical Society of America, Lanham, Maryland.

Landis, D., and P. Marino. 1999. Landscape structure and extra-field processes: Impact on management of pests and beneficials. Pages 79-104 in J. Ruberson, ed. Handbook of Pest Management. Marcel Dekker, New York, NY.

Myrold, D. D., R. Reuss, and M. J. Klug. 1999. Dinitrogen fixation. Pages 241-257 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.

Paul, E. A. 1999. Soil biology and biochemistry: The soil biota and its processes. Pages C1-10 in M. E. Sumner, ed. Handbook of Soil Science. CRC Press, Boca Raton, Florida, USA.

Paul, E. A., D. Harris, M. Klug, and R. Ruess. 1999. The determination of microbial biomass. Pages 291-317 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.

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., D. A. Wedin, P. M. Groffman, J. M. Blair, E. Holland, D. Harris, and K. Nadelhoffer. 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.

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.

Sinsabaugh, R. L., M. J. Klug, H. P. Collins, P. E. Yeager, and S. O. Peterson. 1999. Characterizing soil microbial communities. Pages 318-348 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.

Sollins, P., C. Glassman, E. A. Paul, C. Swanston, K. Lajtha, J. Heil, and T. E. Elliott. 1999. Soil carbon and nitrogen pools and fractions. Pages 89-105 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.

Berney, M. F., and G. W. Bird. 1998. Nematodes. Pages 71-79 in M. A. Cavigelli, S. R. Deming, L. K. Probyn, and R. R. Harwood, eds. Michigan Field Crop Ecology. Michigan State University Extension Bulletin E-2646, East Lansing, MI.

Bird, G. W., and M. F. Berney. 1998. Pest ecology and management. Pages 54-58 in M. A. Cavigelli, S. R. Deming, L. K. Probyn, and R. R. Harwood, eds. Michigan Field Crop Ecology. Michigan State University Extension Bulletin E-2646, East Lansing, MI.

Bird, G. W., M. F. Berney, and M. A. Cavigelli. 1998. Soil ecology. Pages 12-16 in M. A. Cavigelli, S. R. Deming, L. K. Probyn, and R. R. Harwood, eds. Michigan Field Crop Ecology. Michigan State University Extension Bulletin E-2646, East Lansing, MI.

Cavigelli, M. A. 1998. Carbon and nitrogen. Pages 17-43 in M. A. Cavigelli, S. R. Deming, L. K. Probyn, and R. R. Harwood, eds. Michigan Field Crop Ecology: Managing Biological Processes for Productivity and Environmental Quality. Michigan State University Extension Bulletin E-2646, East Lansing, Michigan, USA.

Cavigelli, M. A., S. R. Deming, L. K. Probyn, and R. R. Harwood, eds. 1998. Michigan Field Crop Ecology: Managing Biological Processes for Productivity and Environmental Quality. Michigan State University Extension Bulletin E-2646, East Lansing, Michigan, USA.

Colunga-Garcia, M., S. H. Gage, and L. E. Dyer. 1998. The insect community. Pages 59-70 in M. A. Cavigelli, S. R. Deming, L. K. Probyn, and R. R. Harwood, eds. Michigan Field Crop Ecology: Managing Biological Processes for Productivity and Environmental Quality. Michigan State University Extension Bulletin E-2646, East Lansing, Michigan, USA.

Landis, D. A., and F. D. Menalled. 1998. Ecological considerations in conservation of parasitoids in agricultural landscapes. Pages 101-121 in P. Barbosa, ed. Conservation Biological Control. Academic Press, San Diego, CA.

Paul, E. A., and H. P. Collins. 1998. The characteristics of soil organic matter relative to nutrient cycling. Pages 181-197 in R. Lal, W. H. Blum, and C. Valentine, eds. Methods for Assessment of Soil Degradation. CRC Press, Boca Raton, Florida, USA.

Robertson, G. P. 1998. Field crop ecosystems. Pages 1-16 in M. A. Cavigelli, S. R. Deming, L. K. Probyn, and R. R. Harwood, eds. Michigan Field Crop Ecology: Managing Biological Processes for Productivity and Environmental Quality. Michigan State University Extension Bulletin E-2646, 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 M. L. Pace and P. M. Groffman, eds. Successes, Limitations and Frontiers in Ecosystem Science. Springer-Verlag, New York.

Sippel, S. J., and S. K. Hamilton. 1998. Four-township water atlas: A guide to the water resources in the townships of Barry and Prairieville (Barry County) and Richland and Ross (Kalamazoo County). Four-Township Water Resources Council, Inc., Richland, Michigan, USA.

Collins, H. P., E. A. Paul, K. Paustian, and E. T. Elliott. 1997. Characterization of soil organic carbon relative to its stability and turnover. Pages 51-72 in E. A. Paul, K. Paustian, E. T. Elliott, and C. V. Cole, eds. Soil Organic Matter in Temperate Agroecosystems: Long-Term Experiments in North America. CRC Lewis Publishers, Inc., Boca Raton, Florida, USA.

Dankert, B. A., D. A. Herms, D. Parry, A. J. M. Scriber, and L. A. Haas. 1997. Mediation of interspecific competition between folivores through defoliation-induced changes in host quality. Pages 71-88 in A. Raman, ed. Ecology and Evolution of Plant-Feeding Insects in Natural and Man-Made Environments. Backhus, Leiden, The Netherlands.

Paul, E. A., K. Paustian, E. T. Elliott, and C. V. Cole, eds. 1997. Soil Organic Matter in Temperate Ecosystems: Long-Term Experiments in North America. Lewis CRC Publishers, Boca Raton, Florida, USA.

Paustian, K., E. Levine, W. M. Post, and I. M. Ryzhova. 1997. The use of models to integrate information and understanding of soil C at the regional scale. Pages 227-260 in H. Insam, A. B. McBratney, K. McSweeney, and D. L. Sparks, eds. Geoderma. Elsevier, Amsterdam, The Netherlands.

Paustian, K., G. I. Agren, and E. Bosatta. 1997. Modeling litter quality effects on decompostion and soil organic matter dynamics. Pages 313-336 in G. Cadisch and K. E. Giller, eds. Driven by Nature. CAB International, Wallingford, UK.

Paustian, K., H. P. Collins, and E. A. Paul. 1997. Management controls on soil carbon. Pages 15-49 in E. A. Paul, K. Paustian, E. T. Elliott, and C. V. Cole, eds. Soil Organic Matter in Temperate Agroecosystems: Long-Term Experiments in North America. CRC Press, Boca Raton, Florida, USA.

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, New York City, New York, USA.

Smucker, A. J. M., D. Santos, and Y. Kavdir. 1997. Concentric layering of carbon, nitrogen and clay within soil aggregates from tilled and non-tilled agroecosystems. Pages 129-140 in J. Caron, et al., ed. Third Eastern Canada Soil Structure Workshop Proceedings.

Bossart, J. L., and J. M. Scriber. 1995. Genetic variation in oviposition preferences in a tiger swallowtail butterfly: interspecific, interpopulation, and interindividual comparisons. Pages 183-193 in J. M. Scriber, Y. Tsubaki, and R. C. Lederhouse, eds. The Swallowtail Butterflies: Their Ecology and Evolutionary Biology. Scientific Publishers, Inc., Gainsville, Florida, USA.

Collins, H. P., G. P. Robertson, and M. J. Klug, eds. 1995. The Significance and Regulation of Soil Biodiversity. Kluwer Academic Publishers, Boston, Massachusetts, USA.

Paul, E. A., W. R. Horwath, D. Harris, R. Follett, S. W. Leavitt, and B. A. Kimball. 1995. Establishing the pool sizes and fluxes in CO2 emissions from soil organic matter turnover. Pages 297-305 in R. Lal, ed. Soils and Global Change. Lewis Publishers.

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

Scriber, J. M., and S. Gage. 1995. Pollution and global change: plant ecotones, butterfly hybrid zones and changes in biodiversity. Pages 319-344 in J. M. Scriber, Y. Tsubaki, and R. C. Lederhouse, eds. The Swallowtail Butterflies: Their Ecology and Evolutionary Biology. Scientific Publishers, Gainsville, Florida, USA.

Scriber, J. M., R. C. Lederhouse, and R. Dowell. 1995. Hybridization studies with North American swallowtails. Pages 269-281 in J. M. Scriber, Y. Tsubaki, and R. C. Lederhouse, eds. The Swallowtail Butterflies: Their Ecology and Evolutionary Biology. Scientific Publishers, Gainsville, Florida, USA.

Scriber, J. M., Y. Tsubaki, and R. C. Lederhouse, eds. 1995. The Swallowtail Butterflies: Their Ecology and Evolutionary Biology. Scientific Publishers, Gainsville, Florida, USA.

Smucker, A. J. M., W. Richner, and V. O. Snow. 1995. Bypass flow via root-induced macropores (RIMS) in subirrigated agriculture. Pages 255-258. Clean Water Clean Environment for the 21st Century, Conference Proceedings, Kansas City, MO.

Vitosh, M. L., J. W. Johnson, and D. G. Mengel, eds. 1995. Tri-state Fertilizer Recommendations for Corn, Soybean, Wheat, and Alfalfa. Ohio State University Extension Bulletin E-2567, Columbus, Ohio, USA.

Harris, D. 1994. Analyses of DNA extracted from microbial communities. Pages 111-118 in K. Ritz, J. Dighton, and K. Giller, eds. Beyond the Biomass. John Wiley & Sons, Chichester, England.

Holben, W. E. 1994. Isolation and purification of bacterial DNA from soil. Pages 727-751 in R. Weaver, P. Bottomly, and S. Angle, eds. Methods of Soil Analysis Part 2. Microbiological and Biochemical Properties. Soil Science Society of America, Madison, Wisconsin, USA.

Horwath, W. R., and E. A. Paul. 1994. Microbial biomass. Pages 753-774 in R. W. Weaver, J. S. Angle, P. J. Bottomley, D. F. Bezdicek, M. S. Smith, M. A. Tabatabai, and A. G. Wollum, eds. Methods of Soil Analysis Part 2-Microbiological and Biochemical Properties. Soil Science Society of America, Madison, Wisconsin, USA.

Johnson, K., and J. M. Scriber. 1994. Geographic variation in plant allelochemicals of significance to insect herbivores. Pages 7-31 in T. N. Ananthakrishnan, ed. Functional Dynamics of Phytophagous Insects. Science Publishers, Lebanon, New Hampshire, USA.

Robertson, G. P. 1994. The impact of soil and crop management practices on soil spatial heterogeneity. Pages 156-161 in C. E. Pankhurse, B. M. Doube, V. V. S. R. Gupta, and P. R. Grace, eds. Soil Biota Management in Sustainable Farming Systems. CSIRO, East 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. W. Pearcy, eds. Plant Exploitation of Environmental Heterogeneity. Academic Press, New York, New York , USA.

Scriber, J. M. 1994. Climate legacies and sex chromosomes: latitudinal patterns of voltinism, diapause and host-plant selection in 2 species of swallowtail butterflies at their hybrid zone. Pages 133-171 in H. V. Danks, ed. Insect Life-Cycle Polymorphism: Theory, Evolution and Ecological Consequences for Seasonality and Diapause Control. Kluwer Academic, Dordrecht, Netherlands.

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

Klug, M. J., and J. M. Tiedje. 1993. Response of microbial communities to changing environmental conditions: chemical and physiological approaches. Pages 371-374 in R. Guerrero and C. Pedros-Alio, eds. Trends in Microbial Ecology. Spanish Society for Microbiology, Barcelona, Spain.

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.

Christenson, D. R., D. D. Warncke, M. L. Vitosh, L. W. Jacobs, and J. G. Dahl. 1992. Fertilizer Recommendations for Field Crops in Michigan. Michigan State University Extension Bulletin E-550A, East Lansing, MI.

Harris, D., and E. A. Paul. 1991. Techniques for examining the carbon relationships of plant-microbial symbioses. Pages 39-52 in D. Coleman and B. Fry, eds. Carbon Isotope Techniques. Academic Press, New York, New York, USA.

Robertson, G. P. 1991. The KBS LTER Project. Pages 86-92. Long-Term Ecological Research in the United States, 6th edition. LTER Network Office, Seattle, Washington.

Webber, P. J. 1991. The Long-Term Ecological Research programme of the United States – a guide for Northern Sciences Network ecological research. Pages 69-73 in A.-L. Sippola and E. F. Roots, eds. UNESCO MAB Northern Sciences Network. Arctic Centre University of Lapland, Rovaneimi.

Crum, J. R., G. P. Robertson, and F. Nurenberger. 1990. Long-term climate trends and agricultural productivity in Southwestern Michigan. Pages 53-58 in D. Greenland and L. W. Swith, eds. Climate Variability and Ecosystem Response. U.S. Forest Service, U.S. Department of Agriculture, Washington, D.C.

Snider, R. J., R. Snider, and A. J. M. Smucker. 1990. Collembolan populations and root dynamics in Michigan agroecosystems. Pages 168-191 in J. E. Box and L. C. Hammond, eds. Rhizosphere Dynamics. American Society of Agronomy, Madison, Wisconsin, USA.

Rasmussen, P. E., H. P. Collins, and R. W. Smiley. 1989. Long-Term Management Effects on Soil Productivity and Crop Yield in Semi-Arid Regions of Eastern Oregon. USDA-Agricultural Research Service and Agricultural Experiment Station, Oregon State University Station Bulletin 675, Pendleton, Oregon.