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Beaulieu, J. J., C. P. Arango, S. K. Hamilton, and J. L. Tank. 2008. The production and emission of nitrous oxide from headwater streams in the upper Midwest. Global Change Biology 14: 878-894.

Burgin, A. J., and S. K. Hamilton. 2008. NO3- driven SO42- production in freswhwater ecosystems: Implications for N and S cycling. Ecosystems 11: 908-922.

Campbell, B. M. 2008. Characterization of Tetracycline Efflux Genes in Soil Bacteria and an Analysis of Environmental Factors Controlling Their Expression. MS Thesis, Michigan State University, East Lansing, Michigan, USA.

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: p. 1175.

Collins, S., K. N. Suding, E. E. Cleland, M. Batty, S. Pennings, K. L. Gross, J. B. Grace, L. Gough, J. Fargionne, and C. M. Clark. 2008. Rank clocks and plant community dynamics. Ecology (in press).

Corbin, A. T. 2008. Transitional Dynamics in Converting Conventional Field Cropping Systems to Certified Organic. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Costamagna, A. C., D. A. Landis, and M. J. Brewer. 2008. The role of natural enemy guilds in Aphis glycines suppression. Biological Control 45: 368-379.

Gardiner, M. M., D. A. Landis, C. Gratton, C. D. DiFonzo, M. O. O’Neal, J. Chacon, M. Wayo, N. Schmidt, E. Mueller, and G. E. Heimpel. 2008. Landscape diversity enhances the biological control of an introduced crop pest in the north-central U.S. Ecological Applications (in press).

Gunckel, K. 2008. Preservice elementary teachers learning to use curriculum materials to plan and teach science. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

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.

Huang, X., L. Wang, L. Yang, and A. N. Kravchenko. 2008. Management practice effects on relationships of grain yields with topography and precipitation. Agronomy Journal 100: 1463-1471.

Isaacs, R., J. Tuell, A. Fiedler, M. Gardiner, and D. Landis. 2008. Maximizing arthropod-mediated ecosystem services in agricultural landscapes: The role of native plants. Frontiers in Ecology and the Environment (in press).

Jin, L., S. K. Hamilton, and L. M. Walter. 2008. Mineral weathering rates in glacial drift soils (SW Michigan, U.S.A.): New constraints from seasonal sampling of waters and gases at soil monoliths. Chemical Geology 249: 129-154.

Kane, E. S., E. F. Betts, A. J. Burgin, H. M. Clilverd, C. L. Crenshaw, J. B. Fellan, I. H. Myers-Smith, J. A. O’Donnell, D. J. Sobota, W. J. Van Verseveld, and J. B. Jones. 2008. Precipitation control over nitrogen retention across watersheds: A synthesis of long-term ecological research. Ecohydrology 1: 105-117.

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Kravchenko, A. N., and X. Hao. 2008. Management effects on spatial variability characteristics of surface mineralizable C. Geoderma 144: 387-394.

Mahaney, W. M., K. A. Smemo, and K. L. Gross. 2008. Impacts of C4 grass introductions on soil carbon and nitrogen cycling in C3-dominated successional systems. Oecologia 157: 295-305.

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Mulholland, P. J., A. M. Helton, G. C. Poole, R. O. Hall, S. K. Hamilton, B. J. Peterson, J. L. Tank, L. R. Ashkenas, L. W. Cooper, C. N. Dahm, W. K. Dodds, S. Findlay, S. V. Gregory, and N. B. Grimm. 2008. Stream denitrification across biomes and its response to anthropogenic nitrate loading. Nature 452: 202-206.

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.

Noma, T., and M. J. Brewer. 2008. Fungal pathogens infecting soybean aphid and aphids on other crops grown in soybean production areas of Michigan. Great Lakes Entomologist 40: 41-49.

Noma, T., and M. J. Brewer. 2008. Seasonal abundance of resident parasitoids and predatory flies and corresponding aoybean aphid mortality, with comments on classical biological control of soyubean aphid in the U.S. Midwest. Journal of Economic Entomology 101: 278-287.

Payne, E. K., A. J. Burgin, and S. K. Hamilton. 2008. Nitrate stimulation of sulfur oxidation in freshwaters: Evidence from sediment nitrate manipulation using porewater equlibrators. Aquatic Microbial Ecology (in press).

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.

Ritchie, J. T., and B. Basso. 2008. Water use efficiency is not constant when crop water supply is adequate or fixed: The role of agronomic management. European Journal of Agronomy 28: 273-281.

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

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.

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.

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.

Safir, G. R., S. H. Gage, M. Colunga-Garcia, P. R. Grace, and S. Rowshan. 2008. Simulation of corn yields in the upper great lakes region of the U.S. using a modeling framework. Computers and Electronics in Agriculture 60: 301-305.

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.

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

Swinton, S. M. 2008. Reimagining farms as managed ecosystems. Choices 23: 28-31.

Syswerda, S. P. 2008. Ecosystem Services from Agriculture Across a Management Intensity Gradient in Southwest Michigan. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Whitmire, S. L., and S. K. Hamilton. 2008. Rates of anaerobic microbial metabolism in wetlands of divergent hydrology on a glacial landscape. Wetlands 28: 703-714.

Beaulieu, J. J. 2007. Controls on Greenhouse Gas Emissions from Headwater Streams. Ph.D. Dissertation, University of Notre Dame, South Bend, Indiana, USA.

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.

Burgin, A. J. 2007. Alternative microbial pathways of nitrate removal from freshwater ecosystems. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA

Burgin, A. J., and S. K. Hamilton. 2007. Have we overemphasized the role of dentirification in aquatic ecosystems? A review of nitrate removal pathways. Frontiers in Ecology and the Environment 5: 89-96

Clark, C. M., E. E. Cleland, and S. L. Collins. 2007. Environmental and plant community determinants of species loss flooowing nitrogen enrichment. Ecology Letters 10: 596-607.

Costamagna, A. C., and D. A. Landis. 2007. Quantifying predation on soybean aphid through direct field observations. Biological Control 42: 16-24.

Costamagna, A. C., D. A. Landis, and C. D. DiFonzo. 2007. Suppression of soybean aphid by generalist predators results in a trophic cascade in soybeans. Ecological Applications 17: 441-451

Costamagna, A. C., W. van der Werf, F. J. J. A. Bianchi, and D. A. Landis. 2007. An exponential growth model with decreasing r captures bottom-up effects on the population growth Aphis glycines Matsumura (Hemiptera: Aphiddae). Agricultural and Forest Entomology 9: 297-305.

Dethlefsen, L., and T. M. Schmidt. 2007. Performance of the translational apparatus varies with the ecological strategies of bacteria. Journal of Bacteriology 189: 3237-3245

Drinkwater, L. E., and S. S. Snapp. 2007. Nutrients in agroecosystems: Rethinking the management paradigm. Advances in Agronomy 92: 163-186.

Eichorst, S. A. 2007. Isolation and characterization of members of the phylum acidobacteria from soils. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA

Eichorst, S. A., J. A. Breznak, and T. M. Schmidt. 2007. Isolation and characterization of bacteria from soil that define Terriglobus gen. nov., in the phylum Acidobacteria. Applied and Environmental Microbiology 73: 2708-2717.

Gallaher, C. M. 2007. Phosphorus availability in annual and perennial cropping systems. M.S. Thesis, Michigan State University, East Lansing, Michigan, USA.

Gardiner, M. M., and D. A. Landis. 2007. Impact of intraguild predation by Harmonia axyridis (Coloptera: Coccinellidae) on Aphis glycines (Hemiptera: Aphididae). Agricultural and Forest Entomology 9: 297-305.

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

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.

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.

Hamilton, S. K., and N. E. Ostrom. 2007. Measurement of the stable isotope ratio of dissolved N2 in 15N tracer experiments. Limnology and Oceanography Methods 5: 233-240.

Hao, X., and A. N. Kravchenko. 2007. Management practive effects on surface total carbon: Differences along a textural gradient. Agronomy Journal 99: 18-26.

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

Huang, X. 2007. Analysis of effects of soil properties, topographicaql variables and management practices on spatial-temporal variability of crop yields. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Jin, L. 2007. Mg- and Ca-carbonate versus silicate dissolution rates in mid-latitude, glaciated soil profiles: Implicatons for riverine weathering fluxes and global biogeochemical budgets. Ph.D. Dissertation, University of Michigan, Ann Arbor, Michigan.

Jin, L., E. Williams, K. Szramek, L. M. Walter, and S. K. Hamilton. 2007. Relative contributions of silicate versus carbonate mineral weathering in soils developed on Pleistocene glacial drift: An integrated study of soil and soil water geochemistry across an environmental gradient from the Upper- to Lower-Peninsulas of Michigan. Geochemica Acta 72: 1027-1042.

Kaiser, M. E., T. Noma, M. J. Brewer, K. S. Pike, J. R. Vockeroth, and S. D. Gaimari. 2007. Hymenopteran parasitoids and dipteran predators found utilizing soybean aphid after its midwestern United States invasion. Annals of the Entomological Society of America 100: 196-205.

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.

Loecke, T. D. 2007. Soil resource heterogeneity and ecosystem processes: Effects of litter aggregation on soil micorbial processes and plant root foraging. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA

Mahaney, W. 2007. Soil processes and plant species: Does the reintroduction of native grasses alter soil carbon and nitrogen cycling? Ph.D. Dissertation, Michigan State University, East Lansing, Michigan.

Menalled, F. D., R. G. Smith, J. T. Dauer, and T. B. Fox. 2007. Impact of agricultural management systems on carabid communities and weed seed predation. Agriculture, Ecosystems, and Environment 118: 49-54.

Morris, S. J., S. Bohm, S. Haile-Mariam, and E. A. Paul. 2007. Evaluation of carbon accrual in afforested agricultural soils. Global Climate Change 13: 1145-1156.

Ostrom, N. E., A. J. Pitt, R. L. Sutka, P. H. Ostrom, A. S. Grandy, K. H. Huizinga, and G. P. Robertson. 2007. Isotopologue effects during N2O reduction in soils and in pure cultures of denitrifiers. Journal of Geophysical Research 112:

Park, E. J., W. J. Sul, and A. J. M. Smucker. 2007. Glucose additions to aggregates subjected to drying/wetting cycles promote carbon sequestration and aggregate stability. Soil Biology and Biochemistry 39: 2758-2768.

Peng, X., R. Horn, and A. J. M. Smucker. 2007. Pore shrinkage dependency of inorganic and organic soils on wetting and drying cycles. Soil Science Society of America Journal 71: 1095-1104.

Pike, K. S., P. Stary, M. J. Brewer, T. Noma, S. Langley, and M. E. Kaiser. 2007. A new species of Binodoxys (Hymenoptera: Braconidae, Aphidlinae), parasitoid of the soybean aphid, Aphis glycines Matsumura, with comments on biocontrol. Proceedings of the Entomological Society Washington 109: 359-365.

Reid, N. J., and S. K. Hamilton. 2007. Controls on algal abundance in a eutrophic river with varying degrees of impoundment (Kalamazoo River, Michigan, USA). Lake and Reservoir Management 23: 219.230.

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.

Sahli, H. F., and J. K. Conner. 2007. Visitation, effectiveness, and efficiency of 15 genera of visitors to wild radish, Raphanus raphanistrum (Brassicaceae). American Journal of Botany 94: 203-209.

Scriber, J. M. 2007. A mini-review of the “feeding specialization/physiological efficiency” hypothesis: 50 years of difficulties, and strong support from the North American Lauraceae-specialist, Papilio troilus (Papilionidae: Lepidoptera). Trends in Entomology 4: 1-42.

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.

Smith, R. G., and K. L. Gross. 2007. Assembly of weed communities along a crop diversity gradient. Journal of Applied Ecology 44: 1046-1056.

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.

Smucker, A. J. M., E. J. Park, J. Dormer, and R. Horn. 2007. Soil micropore contributions to soluble carbon flux rates and microbial community responses within macro-aggregates. Vadose Zone Journal 6: 282-290.

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

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.

White, S. S., K. A. Renner, F. D. Menalled, and D. A. Landis. 2007. Feeding preferences of weed seed predators and effect on weed emergence. Weed Science 55: 606-612.

Wossink, A., and S. Swinton. 2007. Jointness in production and farmers’ willingness to supply non-marketed ecosystem services. Ecological Economics 64: 297-304.

Zhang, W. 2007. Optimal Pest Management in the Presence of Natural Pest Control Ecosystem Services. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Zhang, W., T. H. Ricketts, C. Kremen, K. Carney, and S. M. Swinton. 2007. Ecosystem services and disservices to agriculture. Ecological Economics 64: 253-260.

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

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.

Blackwood, C. B., C. J. Dell, A. J. M. Smucker, and E. A. Paul. 2006. Eubacterial communities in different soil macroaggregate environments and cropping systems. Soil Biology and Biochemistry 38: 720-728.

Butler, R., M. Servilla, S. Gage, J. Basney, V. Welch, B. Baker, T. Fleury, P. duda, D. Gehrig, M. Bletzinger, J. Tao, and D. M. Freemon. 2006. Cyberinfrastructure for the analysis of ecological acoustic sensor data: A use case study in grid deployment. Proceedings Challenges of Large Applications in Distributed Environments: 25-33.

Costamagna, A. C. 2006. Do varying natural enemy assemblages impact aphis glyucines population dynamics? Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Costamagna, A. C., and D. A. Landis. 2006. Predators exert top-down control of soybean aphid across a gradient of agricultural management systems. Ecological Applications 16: 1619-1628.

Davis, A. S., S. G. Hallett, and K. A. Renner. 2006. Weed seed mortality in soils with contrasting agricultural management histories. Weed Science 54: 291-297.

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.

Farber, S., R. Costanza, D. L. Childers, J. Erickson, K. L. Gross, M. Grove, C. S. Hopkinson, J. Kahn, S. Pincetl, A. Troy, P. Warren, and M. A. Wilson. 2006. Linking ecology and economics for ecosystem management. BioScience 56: 121-133.

Fiedler, A. 2006. Evaluation of Michigan Native Plants to Provide Resources for Natural Enemy Arthropods. MS Thesis. Michigan State University, East Lansing, MI.

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.

Gantner, S., M. Schmid, C. Durr, R. Schuhegger, A. Steidle, P. Hutzler, C. Langebartels, L. Eberl, A. Hartmann, and F. B. Dazzo. 2006. In situ quantitation of the spatial scale of calling distances and population density-independent N-acylhomoserine lactone-mediated communication by rhizobacteria colonized on plant roots. FEMS Microbial Ecology 56: 188-194.

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.

Gerakis, A., D. Rasse, Y. Kavdir, A. Smucker, and J. T. Ritchie. 2006. Simulation of leaching losses in the nitrogen cycle. Communications in Soil Science and Plant Analysis 13: 1-25.

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.

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.

Grandy, A. S., and G. P. Robertson. 2006. Aggregation and organic matter protection following tillage of an undisturbed soil profile. Soil Science Society of America Journal 70: 1398-1406.

Grandy, A. S., and G. P. Robertson. 2006. Initial cultivation of a temperate-region soil immediately accelerates aggregate turnover and CO2 and N2O fluxes . Global Change Biology 12: 1507-1520.

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.

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.

Kosola, K. R., D. Parry, and B. A. Workmaster. 2006. Response of condensed tannins in poplar roots to fertilization and gypsy moth defoliation. Tree Physiology 26: 1607-1611.

Kravchenko, A. N., G. P. Robertson, S. S. Snapp, and A. J. M. Smucker. 2006. Using spatial variability information for improved estimates of soil carbon. Agronomy Journal 98: 823-829.

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.

Kurzman, A. L. 2006. Changes in major solute chemistry as water infiltrates soils: Comparisons between managed agroecosystems and unmanaged vegetation. Zoology. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Lynch, M. D., and R. G. Thorn. 2006. Diversity of basidiomycetes in Michigan agricultural soils. Applied and Environmental Microbiology 72: 7050-7056.

Mueller, F., A. J. M. Smucker, and R. Horn. 2006. From micro-pores to ecosystems: Ecological gradients as components of environmental analysis and management. Proceedings of the International Soil Tillage Research Organization (ISTRO) 17: 1640-1641.

Nessledge, G. M., B. A. Maurer, and S. H. Gage. 2006. Gypsy moth response to landscape structure differs from neutral model predictions: Implications for invasion monitoring. Bio Invasions: DOI 10.1007/s/10530-006-9061-1.

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

Penton, C. R., A. H. Devol, and J. M. Tiedje. 2006. Molecular evidence for the broad distribution of anammox in freshwater and marine sediments. Applied and Environmental Microbiology 72: 6829-6832.

Pietola, L., and A. J. M. Smucker. 2006. Elimination of non-root residue by image analysis of very fine roots. Computers and Electronics in Agriculture 53: 92-97.

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.

Sahli, H. F. 2006. Generalization in plant pollination systems and its effect on floral evolution within and among populations of wild radish (Raphanus raphanistrum). Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Sahli, H. F., and J. K. Conner. 2006. Characterizing ecological generalization in plant-pollination systems. Oecologia 148: 365-372.

Schmidt, T. M. 2006. The maturing of microbial ecology. International Microbiology 9: 217-223

Smith, R. G. 2006. Timing of tillage is an important filter on the assembly of weed communities. Weed Science 54: 705-712.

Smith, R. G., and K. L. Gross. 2006. Rapid change in the germinable fraction of the weed seed bank in crop rotations. Weed Science 54: 1094-1100.

Smith, R. G., and K. L. Gross. 2006. Weed community and corn yield variability in diverse management systems. Weed Science 54: 106-113.

Stewart, C. E. 2006. Soil carbon saturation: A new model of soil organic matter stabilization and turnover. Ph.D. Dissertation, Colorado State University, Ft. Collins, Colorado, 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

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Menalled, F., K. L. Gross, and M. Hammond. 2001. Weed aboveground and seedbank community responses to agricultural management systems. Ecological Applications 11: 1586-1601.

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Paul, E. A., H. P. Collins, and S. W. Leavitt. 2001. Dynamics of resistant soil carbon of Midwestern agricultural soils measured by naturally-occurring 14C abundance. Geoderma 104: 239-256.

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Raikow, D. F. 2001. How the feeding ecology of native and exotic mussels affects freshwater ecosystems. Dept. of Zoology. PhD Dissertation, Michigan State University, East Lansing, Michigan.

Raikow, D.F. and S.K. Hamilton. 2001. Bivalve diets in a midwestern US stream: A stable isotope enrichment study. Limnology and Oceanography 46: 514-522.

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Sanchez, J. E., T. C. Willson, K. Kizilkaya, E. Parker, and R.R. Harwood. 2001. Enhancing the mineralizable nitrogen pool through substrate diversity in long-term cropping systems. Soil Science Society of America Journal 65: 1442-1447.

Suleiman, A. A., and J. T. Ritchie. 2001. Estimating saturated hydraulic conductivity from soil porosity. Transactions American Society Agricultural Engineering 44: 235-239.

Vinocur, M. G., and J. T. Ritchie. 2001. Maize leaf development biases caused by air-apex temperature differences. Agronomy Journal 93: 767-772.

Willson, T. C., E. A. Paul, and R. R. Harwood. 2001. Biologically active soil organic matter fractions in sustainable cropping systems. Applied Soil Ecology 16: 63-76.

Bergsma, T. T. 2000. The relationship between denitrification and nitrous oxide flux from soil. Ph.D. Dissertation, Michigan State University, 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.

Broughton, L. C., and K. L. Gross. 2000. Patterns of diversity in plant and soil microbial communities along a productivity gradient in a Michigan old field. Oecologia 125: 420-427.

Buckley, D. H. 2000. The diversity and dynamics of microbial groups in soils from agroecosystems. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

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.

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

Collins, H. P., E. T. Elliott, K. Paustian, L. G. Bundy, W. A. Dick, D. R. Huggins, A. J. M. Smucker, and E. A. Paul. 2000. Soil carbon pools and fluxes in long-term corn belt agroecosystems. Soil Biology and Biochemistry 32:157-168

Daroub, S., F. J. Pierce, and B. G. Ellis. 2000. Phosphorus fractions and fate of phosphorus-33 in soils managed under plowing and no-tillage. Soil Science Society of America Journal 64: 170-176

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.

De Gryze, S. 2000. Soil aggregation and aggregate turnover in cultivated and forested soils. M.S. Thesis. Katholieke Universiteit, Leuven, Belgium.

Gough, L., C. W. Osenberg, K. L. Gross, and S. L. Collins. 2000. Fertilization effects on species density and primary productivity in herbaceous plant communities. Oikos 89: 428-439.

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.

Gross, K. L., M. R. Willig, L. Gough, R. Inouye, and S. B. Cox. 2000. Patterns of species density and productivity at different spatial scales in herbaceous plant communities. Oikos 89:417-427.

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Kavdir, Y. 2000. Distribution of cover crop nitrogen retained by soil aggregates within a rye-corn agroecosystem. Crop and Soil Sciences. Ph.D. Dissertation, Michigan State University, East Lansing, MI.

Klappenbach, J., J. M. Dunbar, and T. M. Schmidt. 2000. rRNA operon copy number reflects ecological strategies of bacteria. Applied and Environmental Microbiology 66: 1328-1333.

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.

Landis, D. A., S. D. Wratten, and G. Gurr. 2000. Habitat management to conserve natural enemies of arthropod pests in agriculture. Annual Review Entomology 45: 175-201.

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.

Parry, D. 2000. Induced responses of poplars to defoliation and their effects on leaf-feeding Lepidoptera. Entomology. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan.

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.

Phillips, C. J., D. Harris, S. L. Dollhopf, K. L. Gross, J. I. Prosser, and E. A. Paul. 2000. Effects of agronomic treatments on the structure and function of ammonia oxidizing communities. Applied Environmental Microbiology 66: 5410-5418.

Phillips, C. J., E. A. Paul, and J. I. Prosser. 2000. Quantitative analysis of ammonia oxidising bacteria using competitive PCR. FEMS Microbial Ecology 32: 167-175.

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.

Rasse, D. P., and A. J. M. Smucker. 2000. Alfalfa root and shoot mulching interactions with soil hydraulic properties and aggregation. Soil Science Society of America Journal 64:725-731.

Rasse, D.P., J.T. Ritchie, W.R. Peterson, J. Wei, and A.J.M. Smucker. 2000. Rye cover crop and nitrogen fertilization effects on nitrate leaching in inbred maize fields. Journal of Environmental Quality 29:298-304.

Redman, A., and J. M. Scriber. 2000. Competition between gypsy moth, Lymantria dispar, and the northern tiger swallowtail, Papilip canadensis: interactions mediated by host plant chemistry, pathogens, and parasitoids. Oecologia 125: 218-228.

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.

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.

Sanchez, J. E. 2000. Managing cropping systems to enhance the active soil nitrogen pool and control its mineralization. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Scheiner, S. M., S. B. Cox, M. Willig, G. G. Mittelbach, C. Osenberg, and M. Kaspari. 2000. Species richness, species-area curves and Simpson’s paradox. Evolutionary Ecology Research 2: 791-802.

Six, J., E. T. Elliott, and K. Paustian. 2000. Soil macroaggregate turnover and microaggregate formation: A mechanism for C sequestration under no-tillage agriculture. Soil Biology and Biochemistry 32: 2099-2103.

Six, J., E. T. Elliott, and K. Paustian. 2000. Soil structure and soil organic matter: II. A normalized stability index and the effect of mineralogy. Soil Science Society of America Journal 64:1042-1049.

Six, J., E. T. Elliott, K. Paustian, and C. Combrink. 2000. Soil structure and soil organic matter: I. Distribution of aggregate size classes and aggregate associated carbon. Soil Science Society of America Journal 64:681-689.

Six, J., R. Merckx, K. Kimpe, E. T. Elliott, and K. Paustian. 2000. A re-evaluation of the enriched labile soil organic matter fraction. European Journal of Soil Science 51: 283-293.

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.

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.

Ambus, P., and G. P. Robertson. 1999. Fluxes of CH4 and N2O in aspen stands grown under ambient and twice-ambient CO2. Plant and Soil 209:1-8.

Asuming-Brempong, S. 1999. The Effect of 2,4-D Selection on Microbial Communities and micrososm and Field Studies and the Impact on
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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.

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

Bruns, M. A., J. R. Stephen, G.A. Kowalchuk, J. I. Prosser, and E. A. Paul. 1999. Comparative diversity of ammonia-oxidizer 16S rRNA gene sequences in native, tilled, and successional soils. Applied and Environmental Microbiology 65: 2994-3000.

Calmon, M. A., W. D. Batchelor, J. W. Jones, J. T. Ritchie, K. J. Boote, and L. C. Hammond. 1999. Simulating soybean root growth and soil water extraction using a functional crop model. Transactions American Society Agricultural Engineering 42: 1868-1877.

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Collins, H. P., R. L. Blevins, L. G. Bundy, D. R. Christenson, W. A. Dick, D. R. Huggins, and E. A. Paul. 1999. Soil carbon dynamics in corn-based agroecosystems: results from carbon-13 natural abundance. Soil Science Society of America Journal 63: 584-591

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.

Foster, B. L. 1999. Establishment, competition and the distribution of native grasses among Michigan old-fields. Journal of Ecology 87: 476-489

Foster, B. L., and K. L. Gross. 1999. Temporal and spatial variability of woody plant establishment in Michigan old-fields. American Midland Naturalist 142: 229-243.

Gage, S. H., S. A. Isard, and M. Colunga-G. 1999. Ecological scaling of aerobiological processes. Agricultural and Forest Meteorology 97:249-261.

Garrison, M. V., W. D. Batchelor, R. S. Kanwar, and J. T. Ritchie. 1999. Evaluation of the CERES-Maize water and nitrogen balances under tile-drained conditions. Agricultural Systems 62: 189-199.

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.

Henry, A., and K. R. Kosola. 1999. Root age and phosphorus effects on colonization of big bluestem (Andropogon geradii) by micorrhizal fungi. Soil Biology and Biochemistry 31:1657-1660.

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.

Jame, Y. W., H. W. Cutforth, and J. T. Ritchie. 1999. Temperature response function for leaf appearance rate in wheat and corn. Canadian Journal of Plant Science 79: 1-10.

Kosola, K. R. 1999. Laparascopic sampling of roots of known age from an expandable-wall minirhizotron system. Agronomy Journal 91:876-879.

Kosola, K. R., and K. L. Gross. 1999. Resource competition and suppression of plants colonizing early successional old fields. Oecologia 118: 69-75.

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.

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. Biogeochemistry 46: 45-65.

Menalled, F. D., P. C. Marino, S. H. Gage, and D. A. Landis. 1999. Does agricultural landscape structure affect parasitism and parasitoid diversity? Ecological Applications 9: 634-641.

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, 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.

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.

Rasse, D. P., A. J. M. Smucker, and O. Schabenberger. 1999. Modifications of soil nitrogen pools in response to alfalfa root systems and shoot mulch. Agronomy Journal 91:471-477.

Rasse, D. P., and A. J. M. Smucker. 1999. Tillage effects on soil nitrogen and plant biomass in a corn-alfalfa rotation. Journal of Environmental Quality 28:873-880.

Rasse, D.P., J.T. Ritchie, W.R. Peterson, T.L. Loudon, and E.C. Martin. 1999. Nitrogen management impacts on yield and nitrate leaching in inbred maize systems. Journal of Environmental Quality 28:1365-1371.

Ritchie, J. T., A. Gerakis, and A. Suleiman. 1999. Simple model to estimate field-measured soil water limits. Transactions American Society Agricultural Engineering 42: 1609-1614.

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.

Santos, D. 1999. Contributions of roots and organic mater to soil aggregate stabilization. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Scriber, J. M., K. Weir, D. Parry, and J. Deering. 1999. Using hybrid and backcross larvae of Papilio canadensis and Papilio glaucus to detect induced phytochemical resistance in hybrid poplar trees experimentally defoliated by gypsy moths. Entomologia Experimentalis et Applicata 91:233-236.

Sharov, A., B. C. Pijanowski, A. Liebold, and S. H. Gage. 1999. What affected the rate of gypsy moth (Lepidoptera: Lymantriidae) spread in Michigan: Winter temperature or forest susceptibility? Agriculture and Forest Entomology 1: 37-45.

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.

Six, J., E. T. Elliott, and K. Paustian. 1999. Aggregate and soil organic matter dynamics under conventional and no-tillage systems. Soil Science Society of America Journal 63:1350-1358.

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.

Tiedje, J. M., S. Asuming-Brempong, K. Nuesslein, T. L. Marsh, and S. J. Flynn. 1999. Opening the black box of soil microbial diversity. Applied Soil Ecology 13: 109-122.

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.

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.

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Bruns, M. A., M. A. Fries, J. M. Tiedje, and E. A. Paul. 1998. Functional gene hybridization patterns of terrestrial ammonia-oxidizing bacteria. Microbial Ecology 36: 293-302.

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Gomez, P., and J. Gurevitch. 1998. Weed community responses in a corn-soybean intercrop. Applied Vegetation Science 1: 281-288.

Haas, L., and J. M. Scriber. 1998. Phylloplane sterilization with bleach does not reduce Btk toxicity for Papilio glaucus larvae (Lepidoptera: papilionidae). The Great Lakes Entomologist 31: 49-57.

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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.

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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.

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.

Rasse, D. P., and A. J. M. Smucker. 1998. Root recolonization of previous root channels in corn and alfalfa rotations. Plant and Soil 204:203-212.

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.

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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.

Stornaiuolo, S., B. Basso, and J. T. Ritchie. 1998. Influence of nitrogen fertilization on nitrate concentration in maize plants. Rivista Agronomia 32: 155-160.

Willson, T. 1998. Managing nitrogen mineralization and biologically active organic matter fractions in agricultural soils. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Yang, D., B. C. Pijanowski, and S. H. Gage. 1998. Analysis of gypsy moth (Lepidoptera: Lymantriidae) population dynamics in Michigan using geographic information systems. Environmental Entomology 27: 842-852.

Calderon, F. 1997. Lipids: Their value as molecular markers and their role in the carbon cycle of arbuscular mycorrihizae. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Clark, M. S., S. H. Gage, and J. R. Spence. 1997. Habitats and management associated with common ground beetles Coleoptera: Carabidae in a Michigan agricultural landscape. Environmental Entomology 26: 519-527

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.

Colunga-Garcia, M., S. H. Gage, and D. A. Landis. 1997. Response of all assemblage of Coccinellidae (Coleoptera) to a diverse agricultural landscape. Environmental Entomology 26: 797-804

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.

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Foster, B. L., and K. L. Gross. 1997. Partitioning the effects of plant biomass and litter on Andropogon gerardi in old-field vegetation. Ecology 78: 2091-2104.

Harris, D., R. P. Voroney, and E. A. Paul. 1997. Measurement of microbial biomass C:N ratio by chloroform fumigation incubation. Canadian Journal of Soil Science 77: 507-514.

Johnson, L. B., and S. H. Gage. 1997. Landscape approaches to the analysis of aquatic ecosystems. Freshwater Biology 37: 113-132.

Knoke, K. 1997. Assessment of the origin and fate of nitrate from soil lysimeters using stable nitrogen isotopes. Pages 58.  M.Sc. Thesis, Michigan State University, East Lansing, Michigan, USA.

Leavitt, S. W., E. A. Paul, E. Pendall, P. J. Pinter, and B. A. Kimball. 1997. Field variability of carbon isotopes in soil organic matter pool sizes and fluxes. Nuclear Instrument Methods B 123: 451-454.

Marino, P. C., K. L. Gross, and D. A. Landis. 1997. Weed seed loss due to predation in Michigan maize fields. Agriculture Ecosystems and the Environment 66: 189-196.

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Santos, D., S. L. S. Murphy, H. Taubner, A. J. M. Smucker, and R. Horn. 1997. Uniform separation of concentric surface layers from soil aggregates. Soil Science Society America Journal 61: 720-724.

Sissoko, F. 1997. Enhancement of soil aggregation by the combined influences of soil wetting and drying and root-microbial associations. Pages 109. M.Sc. Thesis, Michigan State University, East Lansing, Michigan, 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.

Aiken, R. M., and A. J. M. Smucker. 1996. Root system regulation of whole plant growth. Annual Review Phytopathology 34: 325-347.

Bruns, M. 1996. Nucleic acid probe analysis of autotrophic ammonia-oxidizer populations in soils. Crop and Soil Sciences. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Colunga-Garcia, M. 1996. Interactions between landscape structure and ladybird beetles Coleoptera: Coccinellidae in field crop agroecosystems. Entomology. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

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Horwath, W. R., E. A. Paul, D. Harris, J. Norton, L. Jagger, and K. A. Horton. 1996. Defining a realistic control for the chloroform fumigation incubation method using microscopic counting and 14C substrates. Canadian Journal of Soil Science 76: 459-467.

Leavitt, S. W., E. A. Paul, A. Galadima, F. S. Nakayama, S. R. Danzer, H. Johonson, and B. A. Kimball. 1996. Carbon isotopes and carbon turnover in cotton and wheat FACE experiments. Plant and Soil 187: 147-155.

Marino, P. C., and D. A. Landis. 1996. Effect of landscape structure on parasitoid diversity and parasitism in agroecosystems. Ecological Applications 6: 276-284.

Roda, A. 1996. Effects of growing alfalfa with perennial grasses upon potato leafhopper Homoptera Cicadellidae and alfalfa weevils Coleoptera Curculionidae. M.S. Thesis, Michigan State University, East Lansing, Michigan, USA.

Stahl, P. D., and M. J. Klug. 1996. Characterization and differentiation of filamentous fungi based on fatty acid composition. Applied and Environmental Microbiology 62: 4136-4146.

Stahl, P. D., and T. B. Parkin. 1996. Relationship of soil ergosterol content and fungal biomass. Soil Biology and Biochemistry 28: 847-855.

Thorn, R. G., C. A. Reddy, D. Harris, and E. A. Paul. 1996. Isolation of saprophytic basidiomycetes from field and forest soils. Applied and Environmental Microbiology 62: 4288-4292.

Zhou, J., M. A. Bruns, and J. M. Tiedje. 1996. DNA recovery from soils of diverse composition. Applied Environmental Microbiology 62: 316-322.

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

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.

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Pietola, L. M., and A. J. M. Smucker. 1995. Fine root dynamics of alfalfa after multiple cuttings and during a late invasion by weeds. Agronomy Journal 87: 1161-1169.

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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.

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Daroub, S. 1994. The effect of tillage on phosphorus transformations in soils. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Elliott, E. T., K. Paustian, H. P. Collins, E. A. Paul, C. V. Cole, I. C. Burke, R. L. Blevins, D. J. Lyon, W. W. Frye, A. D. Halvorson, D. R. Huggins, R. F. Turco, M. Hickman, C. A. Monz, and S. D. Frey. 1994. Terrestrial carbon pools and dynamics: preliminary data from the corn belt and Great Plains. Soil Science Society of America Special Publication 35: 179-191.

Haack, S. K., H. Garchow, D. A. Odelson, L. J. Forney, and M. J. Klug. 1994. Accuracy, reproducibility and interpretation of fatty acid methyl ester profiles of model bacterial communities. Applied and Environmental Microbiology 60: 2483-2493.

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Harris, G. H., O. B. Hesterman, E. A. Paul, S. E. Peters, and R. R. Janke. 1994. Fate of legume and fertilizer 15N in a long-term cropping systems experiment. Agronomy Journal 86: 910-915.

Hedin, L. O., and M. G. Brown. 1994. Watershed-level coupling of nitrogen and sulfur in heterogeneous landscape. Verh. Internat. Verein. Limnol. 25: 1477-1482.

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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.

Horwath, W. R., K. S. Pregitzer, and E. A. Paul. 1994. 14C allocation in tree soil-systems. Tree Physiology 14: 1163-1176.

Huberty, L. 1994. Dominance, diversity, and resource competition in old-field plant communities. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, 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.

Ka, J. O. and J. M. Tiedje. 1994. Integration and excision of a 2,4-Dichlorophenoxyacetate acid-degradative plasmid in alcaligenes paradoxus and evidence of its natural intergeneric transfer. Journal Bacteriology 176: 5284-5289.

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Petersen, S. O., and M. J. Klug. 1994. Effects of sieving, storage and incubation temperature on the phospholipid fatty acid profile of a soil microbial community. Appl. and Environ. Microbiol. 60: 2421-2430.

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.

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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.

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Maas, K. 1992. The effects of planting density and weed control on the partitioning of nitrogen and carbon in a hybrid poplar plantation. M.Sc. Thesis, Michigan State University, East Lansing, Michigan, USA.

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