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Faculty
John M Stark

John M Stark

Professor
PhD 1991, UC Berkeley
MS 1984, Colorado State University
BA & BS 1981, Humboldt State University
Faculty: Biology Faculty
Location:  VSB 331
Office Phone:  435 797-3518
Fax:  435 797-1575
5305 Old Main Hill
Department of Biology
Utah State University
Logan, UT 84322-5305

Lab:                   VSB 339
Lab Phone:        797-0060
 

RESEARCH

  • Microbial controls on carbon & nitrogen cycling in forest and rangeland ecosystems
  • Effects of hydraulic lift by plants on rhizosphere microbial activity
  • Trace gas production by soil microorganisms
  • Ecology of nitrifying bacteria
  • Role of microorganisms in controlling plant community structure
  •  

Or, you may like information on Stable Isotope Analyses performed in my lab.


 

REPRESENTATIVE PUBLICATIONS

Norton, J.M., J.M. Stark. 2011.  Regulation and measurement of nitrification in terrestrial systems. Methods in Enzymology 486:344-368.

Koper, T.A., J.M. Stark, M.Y. Habteselassie, and J.M. Norton. 2010. Nitrification exhibits Haldane kinetics in an agricultural soil treated with ammonium sulfate or dairy waste compost. FEMS Microbiology Ecology 74:316-322.
Herron, P.M., J.M. Stark, C. Holt, T.D. Hooker, and Z.G. Cardon.  2009.  Microbial growth efficiencies across a soil moisture gradient assessed using 13C-acetic acid vapor and 15N-ammonia gas. Soil Biology & Biochemistry 41:1262-1269
Hooker, T.D., J.M. Stark, U. Norton, A.J. Leffler, M. Peek, and R. Ryel.  2008.  Distribution of ecosystem C and N within contrasting vegetation types in a semiarid rangeland in the Great Basin, USA. Biogeochemistry 90:291-308.
Hooker, T.D., and J.M. Stark.  2008. Soil C and N cycling in three semiarid vegetation types: Response to an in situ pulse of plant detritus. Soil Biology & Biochemistry 40:2678-2685
Leonard, E.D., T.A. Monaco, J.M. Stark, and R.J. Ryel.  2008.  Invasive forb, annual grass, and exotic shrub competition with three sagebrush-steppe growth forms: Acquisition of a spring 15N tracer. Invasive Plant Science & Management 1:168-177
Booth, M.S., J.M. Stark, and S.C. Hart. 2006. Soil mixing effects on inorganic nitrogen production and consumption in forest and shrubland soils . Plant & Soil 289:5-15.
Kulmatiski, A, K.H. Beard, J.M. Stark. 2006. Exotic plant communities shift water-use timing in a shrub-steppe ecosystem. Plant & Soil 288:271-284.
Kulmatiski, A, K.H. Beard, J.M. Stark. 2006. Soil history as a primary control on plant invasion in abandoned agricultural fields . J. Applied Ecology 43:868-876.
Habteselassie, M.Y., J.M. Stark, B.E. Miller, S.G. Thacker, and J.M. Norton. 2006. Gross nitrogen transformations in an agricultural soil after repeated dairy-waste application . Soil Science Society of America J. 70:1338-1348.
Habteselassie, M.Y., B.E. Miller, S.G. Thacker, J.M. Stark, and J.M. Norton. 2006. Soil Nitrogen and Nutrient Dynamics after Repeated Application of Treated Dairy-waste . Soil Science Society of America J. 70:1328-1337.
Morris, A.E.L., J.M. Stark, and B.K. Gilbert. 2005. Evaluation of isotopic fractionation error on calculations of marine-derived nitrogen in terrestrial ecosystems . Canadian J. Forest Research 35:1604-1616.
Selmants, P.C., S.C. Hart, S.I. Boyle, and J.M. Stark. 2005. Red alder (Alnus rubra) alters community-level soil microbial function in conifer forests of the Pacific Northwest, USA . Soil Biology & Biochemistry 37:1860-1868.
Booth, M.S., J.M. Stark, and E. Rastetter. 2005. Controls on nitrogen cycling in terrestrial ecosystems: A synthetic analysis of literature data . Ecological Monographs 75:139-157.
Saetre, P., and J.M. Stark. 2005. Microbial dynamics and carbon and nitrogen cycling following rewetting of soils beneath two semi-arid plant species . Oecologia 142:247-260.
Shi, W., B.E. Miller, J.M. Stark, and J.M. Norton. 2004. Microbial nitrogen transformations in response to treated dairy waste in agricultural soils . Soil Science Society of America J. 68:1867-1874.
Austin, A., M.L Yahdjian, J.M. Stark, J. Belnap, A. Porporato, I.C. Burke, U. Choromanska, D. Ravetta, and S.M. Schaeffer. 2004. Water pulses and biogeochemical cycles in arid and semiarid ecosystems . Oecologia 141:221-235.
Kulmatiski, A., K.H. Beard, and J.M. Stark. 2004. Finding endemic soil-based controls for weed growth. Weed Technology 18:1353-1358.
Booth, M.S., J.M. Stark, and M.M. Caldwell. 2003. Inorganic N turnover and availability in annual- and perennial-dominated soils in a northern Utah shrub-steppe ecosystem . Biogeochemistry 66:311-330.
Stark, J.M., and S.C. Hart. 2003. UV-B radiation and soil microbial communities . Nature 423:137-138.
Booth, M.S., M.M. Caldwell, and J.M. Stark. 2003. Overlapping resource use in three Great Basin species: Implications for community invasibility and vegetation dynamics . J. Ecology 91:36-48.
Ivans, C.K., A.J. Leffler, U. Spaulding, J.M. Stark, R.J. Ryel, and M.M. Caldwell. 2003. Root responses and nitrogen acquisition by Artemisia tridentata and Agropyron desertorum following small summer rainfall events . Oecologia 134:317-324.
Haubensak, K.A., S.C. Hart, and J.M. Stark. 2002. Influences of chloroform exposure time and soil water content on C and N release in forest soils . Soil Biology & Biochemistry 34:1549-1562.
Stark, J.M., D.R. Smart, S.C. Hart, and K.A. Haubensak. 2002. Regulation of nitric oxide emissions from forest and rangeland soils of western North America . Ecology 83:2278-2292.
Stark, J.M.. 2000. Nutrient Transformations . Pages 215-234 in O.E. Sala, R.B. Jackson, H.A. Mooney, and R. Howarth (eds.), Methods in Ecosystem Science. Springer-Verlag New York.
Chen, J., and J.M. Stark. 2000. Plant species effects and carbon and nitrogen cycling in a sagebrush - crested wheatgrass soil . Soil Biology & Biochemistry 32:47-57.
Smart, D.R., J.M. Stark, and V. Diego. 1999. Resource limitations to nitric oxide emissions from a sagebrush-steppe ecosystem . Biogeochemistry 47:63-86.
Hart, S.C. and J.M. Stark. 1997. Nitrogen limitation of the microbial biomass in an old-growth forest soil . Ecoscience 4(1):91-98.
Low, A.P., J.M. Stark, and L.M. Dudley. 1997. Effects of soil osmotic potential on nitrification, ammonification, N-assimilation, and nitrous oxide production. Soil Science 162:16-27.
Stark, J.M., and S.C. Hart. 1997. High rates of nitrification and nitrate turnover in undisturbed coniferous forests . Nature 385:61-64.