Professor of Biology
Department of Biology
University of Mississippi
University, MS 38677
Tel: (662) 915-5803
Fax: (662) 915-1537
B.S., 1972, University of Washington (Biological Oceanography)
Ph.D., 1977, Michigan State University (Zoology)
Dissertation: The midsummer dynamics of two Daphnia species in Wintergreen Lake, Michigan.
1968-1970 Research assistant, Institute of Medical Education and Research and Department of Biochemistry, St. Louis University School of Medicine
1971-1973 Zooplankton taxonomist, National Marine Fisheries Service, North Pacific Fisheries Research Center, Seattle, Washington
1973-1977 Graduate student, Department of Zoology, Michigan State University, East Lansing, Michigan
1977-1979 Postdoctoral research associate, Tahoe Research Group, Division of Environmental Studies and Institute of Ecology, University of California, Davis
1979-1989 Assistant and Associate Professor, Department of Zoology and Biological Station, University of Oklahoma
1988-1989 Director, Population Biology and Physiological Ecology Program, National Science Foundation, Washington, DC
1989-1991 Director and Associate Professor of Biology, The Louis Calder Center, Fordham University, Armonk, NY
1991-present Professor of Biology, Department of Biology, University of Mississippi, University, MS
1992-1995 Associate Editor, Limnology and Oceanography
1995 Technical editor, U. N. Intergovernmental Panel on Climate Change, Working Group II. Published by Cambridge Univ. Press.
1999-present Managing Editor, Estuaries
2000-present Scientific Committee, Journal of Limnology (formerly Memorie dell'Istituto Italiano di Idrobiologia)
Introduction to Aquatic Biology -- BISC321 Principles of freshwater biology with emphasis on factors affecting ecology and populations in diverse aquatic environments.
Advanced Field Study in Ecology -- BISC530 Extended field trip experience illustrating ecological principles, biological diversity, and major biotic regions.
Design and Analysis of Ecological Experiments-- BISC604 Design of ecological experiments; replication, blocking, and treatment structures; analysis of designed epxeriments; procedures for data sets with missing observations or incomletely executed designs.
Limnology -- BISC608 The physical, chemical, geological and biological aspects of lake and reservoir environments.
Stream Ecology -- BISC609 Ecosystem structure and function of streams with emphasis on primary literature and application of methods.
Dirnberger, J.M. 1983. The influence of wind mixing and river inflow on zooplankton vertical distributions and abundance in a large impoundment. M.S. Thesis. University of Oklahoma.
Milstead, W.B. 1983. An experimental analysis of the effects of darter predation on a population of Hyalella azteca. M.S. Thesis. University of Oklahoma.
Qin, J. 1988. Experimental comparison of the effects of benthivorous and planktivorous fish on plankton community structure. M. S. Thesis. University of Oklahoma.
Richardson, W.W. 1989. The ecology of stream-dwelling zooplankton: seasonal dynamics and experimental analysis of the impact of water movement and turbidity. Ph.D. Dissertation. University of Oklahoma.
Wickham, S. 1989. The response of ciliated protozoa to manipulation of nutrients and consumers in mesocosm experiments. Ph.D. Dissertation. University of Oklahoma.
Cline, J. 1992. A study of the diet and condition of gizzard shad (Dorosoma cepedianum) in Sardis reservoir. M.S. Thesis, University of Mississippi.
East, T. 1993. A comparison of phytoplankton primary production in a flood control reservoir versus a navigational reservoir. M. S. Thesis, University of Mississippi.
Chiavelli, D. A. 1995. Epibiont populations on Daphnia: Effects of habitat patch dispersion on metapopulation dynamics. M. S. Thesis, University of Mississippi.
Baca, R. 1998. The use of size distributions in ecological experiments. Ph. D. Dissertation, University of Mississippi.
Brooks, B. W. 1998. Effects of food web structure on thermal profiles of aquatic systems. M. S. Thesis, University of Mississippi.
Rhew, K. 1998. Autotrophic picoplankton in a southeastern reservoir: Population dynamics and regulating factors. Ph.D. Dissertation. (co-directed with C. Ochs)
Libman, B. 1999. Hydrological flushing effects on freshwater microcrustacean diapause phenology and egg bank dynamics in floodplain habitats. Ph.D. Dissertation, University of Mississippi.
Galicki, S. 2002. Baldcypress dendrochemistry and sediment geochemistry in a lake fringe wetland, Sky Lake, Mississippi. Ph.D. Dissertation, University of Mississippi. (co-directed with G. Davidson in Geology and Geological Engineering)
Chambers, J. 2002. Bald cypress (Taxodium distichum) growth in the Little Tallahatchie River Basin: effects of a flood control dam. M. S. Thesis, University of Mississippi.
White, W. 2003. Nutrient stoichiometry related stressors in agricultural wetlands. M. S. Thesis, University of Mississippi.
Hodson, M. 2003. Landscape analysis of herbaceous plants in headwater riparian zones and wetlands. M.S. Thesis, University of Mississippi.
Koh, H. S. In progress. Ph.D. Dissertation, University of Mississippi.
Boyer, S. M. In progress. Ph.D. Dissertation, University of Mississippi.
Weston, J. In progress. Ph.D. Dissertation, University of Mississippi.
Limnology, fish-plankton-benthos trophic interactions, reservoir flood and turbidity effects on plankton, community ecology, ecology of epibionts, design and analysis of field experiments, multiple stressor effects on agricultural wetlands.
CURRENT AND RECENT RESEARCH PROJECTS:
U.S. Environmental Protection Agency. 1996-1998. $878,027. Mississippi EPA-EPSCoR.
National Science Foundation. 1996-1999. $110,000. Assessment of community size structure in adjacent habitats: an exploratory experimental study of the benthic-pelagic system.
U.S. Environmental Protection Agency. 1998-2001. $897,634. Effects of interacting stressors in agricultural ecosystems: mesocosm and field evaluation of multi-level indicators of wetland responses.
National Science Foundation. 1999-2002. $ 188,721. Acquisition of Instrumentation for Analysis of Materials and Energy Flux in Biological Systems. Collaborative with Cliff Ochs, Principal Investigator, and Stephen Secor, Stephen Brewer, and Marge Holland
National Aeronautics and Space Administration. 2000-2005. $3,826,459. The University of Mississippi Geoinformatics Center. Collaborative with Greg Easson, Principal Investigator, and Jay Johnson and Pam Lawhead.RECENT RESEARCH PUBLICATIONS:
Frisch, Dagmar and Stephen. T. Threlkeld. 2005. Flood-mediated dispersal versus hatching: early recolonisation strategies of copepods in floodplain ponds. Freshwater Biology 50: 323-330.
Frisch, Dagmar., Bruce S. Libman, Stephen J. D'Surney and Stephen T. Threlkeld. 2005. Diversity of floodplain copepods (Crustacea) modified by flooding: species richness, diapause strategies and population genetics. Archiv fur Hydrobiol. 162:1-17.
Threlkeld, S. 2001. Book Review: Making the Most of College: Students Speak Their Minds; Writing Successful Science Proposals; Winning the Games Scientists Play: Strategies for Enhancing your Career in Science. Estuaries 24:653-654.
Baca, R. M. and S. T. Threlkeld. 2000. The effects of toxicants on planktonic systems: an integrated approach using the analysis of size distributions. J. Aquatic Ecosystem Stress Recovery 8:95-105.
Baca, R. M. and S. T. Threlkeld. 2000. Experimental test of nutrient and fish effects on size distributions of N:P. Verh. Internat. Verein. Limnol. 27:1981-1985.
Gophen, M., V. H. Smith, A. Nishri and S. T. Threlkeld. 1999. Nitrogen deficiency, phosphorus sufficiency, and the invasion of Lake Kinneret, Israel, by the N2-fixing cyanobacterium, Aphanizomenon ovalisporum. Aquatic Sciences 61:293-306.
Rhew, K., R.M. Baca, C.A. Ochs, and S.T. Threlkeld. 1999. Interaction effects of fish, nutrients, mixing and sediments on autotrophic picoplankton and algal composition. Freshwater Biology, 42:99-109.
Libman, B. S. and S. T. Threlkeld. 1999. Diapause phenology and egg bank dynamics of the copepod Diaptomus pallidus (Copepoda:Calanoida) in relation to annual flood cycles. Arch. Hydrobiol. 145:349-358.
Britson, C. A. and S. T. Threlkeld. 1998. Abundance, metamorphosis, developmental, and behavioral abnormalities in Hyla chrysoscelis tadpoles following exposure to three agrichemicals and methyl mercury in outdoor mesocosms. Bull. Environ. Contam. Toxicol. 61:154-161.
Drenner, R.W., J.D. Smith, and S.T. Threlkeld. 1996. Lake trophic state and the limnological effects of omnivorous fish. Hydrobiologia 319:213-223.
Willey, R.L. and S.T. Threlkeld. 1995. Changes in epibiotic burden during the intermolt of Daphnia determined by hypodermal retraction stages. Hydrobiologia 307:213-219.
Threlkeld, S.T. 1994. Benthic-pelagic interactions in shallow water columns: an experimentalist's perspective. Hydrobiologia 275/276:293-300.
Cline, J.M., T.L. East and S.T. Threlkeld. 1994. Fish interactions with the sediment-water interface. Hydrobiologia 275/276:301-311.
Willey, R.L. R.B. Willey and S.T. Threlkeld. 1993. Planktivore effects on zooplankton epibiont communities: epibiont pigmentation effects. Limnol. Oceanogr. 38:1818-1822.
Threlkeld, S.T., D.A. Chiavelli, and R.L. Willey. 1993. The organization of zooplankton epibiont communities. Trends Ecol. Evol. 8:317-321.
Threlkeld, S.T. and R.L. Willey. 1993. Colonization, interaction and organization of cladoceran epibiont communities. Limnol. Oceanogr. 38: 584-591.
Richardson, W.B. and S.T. Threlkeld. 1993. Complex interactions of multiple aquatic consumers: An experimental mesocosm manipulation. Can. J. Fish. Aquatic Sci. 50:29-42.
Willey, R.L., P. Cantrell and S. Threlkeld. 1990. Epibiotic euglenoid flagellates increase the susceptibility of some zooplankton to fish predation. Limnol. Oceanogr. 35:952-959.
Qin, J. and S. Threlkeld. 1990. Experimental comparison of the effects of benthivorous fish and planktivorous fish on plankton community structure. Arch. Hydrobiol. 119:121-141.
National Center for Nonprofit Boards, Member
University Assessment Committee, 2003-2005
University Instructional Technology Standing Committee, 2003-2005
Mississippi-Alabama Sea Grant Fellowship Committee, 2003-2005
National Association of State Universities and Land Grant Colleges, Board on Natural Resources, 2001-2004
Department of Biology Chair Search Committee, 2003
Chair, Evolution/Population Genetics of Host-Parasite or Symbiotic Interactions Search Committee, 1999-2000
College of Liberal Arts Tenure and Promotion Committee, Member, 2000-2002; Chair, 2002
Chancellor's Task Force on Academic Computing, 1998
Research Advisory Committee, 1998-2000
User Committee, University of Mississippi Field Station, 1998-2003
Library Council, University of Mississippi, 1998
Sea Grant Advisory Committee, University of Mississippi, 1999