Arango, C. P., J. L. Tank, L. T. Johnson, and S. K. Hamilton. 2008. Assimilatory uptake rather than dissimilatory transformation determines seasonal patterns in nitrogen removal in streams of varying land use. Limnology and Oceanography (in press).

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.

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.

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.

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.

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

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

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

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

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.

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.

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.

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

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

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.

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.

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.

Wiangwang, N. 2006. Hyperspectral data modeling for water quality studies in Michigan’s inland lakes. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Grandy, A. S. 2005. Ecosystem consequences of soil aggregation following soil disturbance. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Reid, N. 2005. Biogeochemical impacts of major reservoirs on the Kalamazoo River. Zoology. MS. Thesis, Michigan State University, East Lansing, Michigan, USA.

Smith, R. G. 2005. Agroecosystem diversity: impacts on weed communities and crop yield. PhD Dissertation, Michigan State University, East Lansing, Michigan, USA.

Brewer, E. A. 2004. Impacts of Calcium and Nitrogen on Carbon Stabilization in Soils of an Afforested Red Pine Stand. MS Thesis, Bradley University, Peoria, Illinois.

Lynch, M. D. J. 2004. Species richness and composition of soil Basidiomycota. MS Thesis, University of Western Ontario, London, Ontario, Canada.

Smith, J. J. 2004. Impacts of soil ecosystem disturbance on nematode community structure. MS Thesis, Dept. of Entomology, Michigan State University, East Lansing, Michigan, USA.

Holdaway-Dopp, H. A. 2003. Changes in microbial community responses to gradients of carbon, nitrogen, and wetting cycles in ceoncentric layers of soil macro-aggregates. MS Theses, Michigan State University, East Lansing, Michigan, USA.

McKeown, C. H. 2003. Quantifying the roles of competition and niche separation in native and exotic cocconellids, and the changes in the community in response to an exotic prey species. Entomology. MS. Thesis, Michigan State University, East Lansing, Michigan, USA.

Pitt, A. J. 2003. Isotopomer effects associated with nitrification and denitrification: Implications for the global nitrous oxide cycle. MS. Thesis, Michigan State University, East Lansing, Michigan, USA.

Smeenk, J. P. 2003. The impacts of continuous corn and a corn-soybean-wheat rotation grown under various management schemes on nitrate leaching, soil physical characteristics and net returns. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

South, S. R. 2003. Identification and mapping of agricultural tillage methods utilizing remotely sensed data. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Suwanwaree, P. 2003. Methane oxidation in terrestrial ecosystems: Patterns and effects of disturbance. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Whitmire, S. 2003. Anaerobic biogeochemical functions of Michigan wetlands and the influence of water source. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Elwadie, M. 2002. Spatial and temporal dynamics of nitrogen-water interactions in corn in Michigan. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Fox, T. B. 2002. Biological control of soybean (Aphis glycines Matsumura) aphid in Michigan. MS Thesis, Michigan State University, East Lansing, Michigan, USA.

Blackwood, C. 2001. Spatial organization in soil bacterial communities. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Broughton, L. C. 2001. Linking plant communities to soil microbial communities and processes in old-fields. PhD Dissertation, Michigan State University, East Lansing, Michigan, USA.

Fortuna, A. M. 2001. Management of cropping system and compost additions for enhanced nitrogen availability and carbon sequestration. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

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.

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

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.

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

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.

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.

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.

Asuming-Brempong, S. 1999. The Effect of 2,4-D Selection on Microbial Communities and micrososm and Field Studies and the Impact on
Ecosystem Function. Department of Crop and Soil Sciences. Ph.D. Dissertation, Michigan State University, East Lansing, MI, USA.

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

Cavigelli, M. 1998. Ecosystem consequences and spatial variability of microbial soil community structure. Crop & Soil Sciences. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Corbett, A. L. 1998. Root responses to nutrient heterogeneity: a comparison of dominant and subordinate species from old fields. Dept. of Botany and Plant Pathology. Michigan State University, East Lansing, Michigan, USA.

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.

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.

Foster, B. 1997. Plant competition and diversity in relation to productivity in old-field plant communities. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

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.

Rasse, D. 1997. Alfalfa and corn root modifications of soil nitrogen flux and retention. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

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.

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.

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.

Huang, B. 1995. Tillage modifications of root and shoot growth responses to soil water content and nitrogen concentration altered by seasons. Department of Crop and Soil Sciences. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

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

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

Rosek, M. 1994. Spatial and temporal soil water content changes within a sloping landscape. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Harris, G. 1993. Nitrogen cycling in animal-, legume- and fertilizer-based cropping systems. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Harris, G. 1993. Nitrogen cycling in animal-, legume- and fertilizer-based cropping systems. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Horwath, W. 1993. The dynamics of carbon, nitrogen, and
soil organic matter in Populus plantations. Ph.D. Dissertation, Michigan State University,
East Lansing, Michigan, USA.

Aiken, R. M. 1992. Functional relations of root
distributions with the flux and uptake of water and nitrate. Department of Crop and Soil Sciences. Ph.D. Dissertation, Michigan State University, East Lansing, Michigan, USA.

Foster, B. 1992. The role of land use history in
structuring an old-field plant community. M.Sc. Thesis, Michigan State University, East
Lansing, Michigan, USA.

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.

Burbank, D. H. 1991. Resource quality and recruitment of tree species in plantation forests of southwestern Michigan. Pages 145. Department of Forestry. M.Sc. Thesis, Michigan State University.

Sirota, J. 1990. The temporal and spatial distribution
and sex ratio of summer adults of the seven spotted ladybird beetle Coccinella
septempunctata L. Coleoptera: Coccinellidae in alfalfa. M.Sc. Thesis,
Michigan State University, East Lansing, Michigan, USA.

Sirota, J. M. 1990. The temporal and spatial distribution and sex ratio of summer adults of the seven spotted ladybird beetle (Coccinella septempunctata L. Coleoptera: Coccinellidae) in alfalfa. M.Sc. Thesis, Michigan State University, East Lansing, Michigan, USA.

Wise, J.  1990. Local dispersal of the potato leafhopper Homoptera: Cicadellidae in response to alfalfa cutting. Entomology. M.Sc. Thesis, Michigan State University, East Lansing, Michigan, USA.