Email: newman@vims.edu Office: Watermen's Hall, Graduate Studies Office Phone: (804) 684-7105

Michael C. Newman Dean of Graduate Studies Professor of Marine Science B.A., M.S., University of Connecticut M.S., Ph.D. Rutgers University

Research Interests Current Projects Selected Publications Current Students Courses Taught / Teaching Faculty / Student Awards Professional Memberships Collaborative / Interdisciplinary Efforts

Research Interests

Dr. Newman has diverse research interests which include ecotoxicology, general and applied aquatic ecology, contaminant effects on populations, bioaccumulation, factors modifying inorganic contaminant toxicity, fate of inorganic contaminants in aquatic systems, quantitative methods for ecological risk assessment, toxicity models, and water quality.

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Current Projects

• Population genetics of PAH-exposed fish
• Stochastic modeling of contaminant exposure from fish consumption
• Predicting metal bioavailability for human and ecological risk assessments
• Improving prediction of lethal effects with time-to-death methods
• Improving species sensitivity distribution methods for ecological risk assessment
• Fate and effects of crop protectants from tomato cultivation on living resources in tidal creeks

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Selected Publications

• Newman, M.C., D.R. Ownby, L.C.A. Mezin, D.C. Powell, T.R.L. Christensen, S.B. Lerberg, and B.-A. Anderson. 2000. Applying species sensitivity distributions in ecological risk assessment: Assumptions of distribution type and sufficient numbers of species.  Environ. Toxicol. Chem. 19:508-515.

• Crane, M. and M.C. Newman. 2000. What level of effect is a no observed effect? Environ. Toxicol. Chem. 19:516-519.

• Newman, M.C. and J.T. McCloskey. 2000. The individual tolerance concept is not the sole explanation for the probit dose-effect model. Environ. Toxicol. Chem. 19:520-526.

• Peters, E.L. and M.C. Newman.  1999. Elimination of cesium by chronically-contaminated largemouth bass (Micropterus salmoides). Health Physics 76: 260-268.

• Tatara, C., M. Mulvey and M.C Newman. 1999. Genetic and demographic responses of mosquitofish (Gambusia holbrooki) populations exposed to mercury for multiple generations. Environ. Toxicol. Chem. 18:2840-2845.

• Peters, E.L., I.R. Schultz and M.C. Newman.  1999. Rb and Cs kinetics and tissue distributions in channel catfish (Ictalurus punctatus).  Ecotoxicology 8:287-300.

• McCloskey, J.M., I.R. Schultz and M.C. Newman. 1998. Estimating the oral bioavailability of methylmercury to channel catfish,  Ictalurus punctatus. Environ. Toxicol. Chem.17: 1524-1529.

• Tatara, C.P., M.C. Newman, J.T. McCloskey and P.L. Williams. 1998. Use of ion characteristics to predict relative toxicity of mono-, di-, and trivalent metal ions:  Caenorhabditis elegans LC50.  Aquatic Toxicol. 42: 255-269. 

• Newman, M.C., J.T. McCloskey and C.P. Tatara. 1998. Using metal-ligand binding characteristics to predict metal toxicity:  Quantitative Ion Character - Activity Relationships (QICARs). Environ. Health Perspectives 106(Suppl. 6): 1263-1270.

• Newman, M.C. and R. Jagoe.  1998. Allozymes reflect the population-level effect of mercury:  simulations of the mosquitofish (Gambusia holbrooki) GPI-2 response. Ecotoxicology 7: 141-150.

• Tatara, C., M.C. Newman, P. Williams and J.T. McCloskey.  1997. Predicting relative toxicity with divalent ion characteristics: Caenorhabditis elegans.  AquaticToxicol. 39: 279-290.

• Schultz, I.R. and M.C. Newman. 1997.  Methyl mercury toxicokinetics in channel catfish (Ictalurus punctatus) and largemouth bass (Micropterus salmoides) after intravascular administration  Environ. Toxicol. Chem. 16: 1990-1996.

• Jagoe, R. and M.C. Newman. 1997. Bootstrap estimation of community NOEC values.  Ecotoxicology 6: 293-306.

• McCloskey, J.T., M.C. Newman and S.B.  Clark.  1996.  Predicting relative toxicity and interactions of mono-, di-, and trivalent metal ions.  Environ. Toxicol. Chem. 15: 1730-1737.

• Newman, M.C. and J.T. McCloskey.  1996. Time-to-event analysis of ecotoxicity data. Ecotoxicology 5: 187-196.

• Schultz, I.R., E.L. Peters and M.C. Newman.  1996.  Toxicokinetics and disposition of inorganic mercury and cadmium in channel catfish (Ictalurus punctatus) after intravascular administration.  Fundam. Appl. Toxicol. 140:  39-50.

• Newman, M.C. and J.T. McCloskey.  1996. Predicting relative toxicity and interactions of divalent metal ions: Microtox7 bioluminescence assay. Environ. Toxicol. Chem. 15: 275-281.

• Newman, M.C. and R.M. Jagoe. 1996. Bioaccumulation models with time lags: Dynamics and  stability criteria. Ecol. Model. 84: 281-286.

• Newman, M.C.  1996.  Ecologically meaningful estimates of lethal effect on individuals. In: Newman, M.C. and C.H. Jagoe (Eds.), Ecotoxicology: A Hierarchical Treatment.  CRC/Lewis Publishers, Inc., Boca Raton, FL, pp. 225-253.

• Newman, M.C., M.M. Keklak and S.M. Doggett.  1994.  Quantifying animal size effects on toxicity:  A general approach.  Aquatic Toxicol. 28:1-13.

• Newman, M.C. and M. Aplin.  1992.  Enhancing toxicity data interpretation and prediction of ecological risk with survival time modeling: An illustration using sodium chloride toxicity to mosquitofish (Gambusia holbrooki).  Aquatic Toxicol. 23:85-96.

• Lee, C.J., M.C. Newman and M. Mulvey.  1992.  Time to death of mosquitofish (Gambusia holbrooki) during acute inorganic mercury exposure: Population structure effects.  Arch. Environ. Contam. Toxicol. 22:284-287.

• Dixon, P. M. and M. C. Newman.  1991. Analyzing toxicity data using statistical models of time-to-death: An introduction. In: Newman, M.C. and A.W. McIntosh (Eds.), Metal Ecotoxicology:  Concepts and Applications. Lewis Publishers, Inc., Chelsea, MI., pp. 207-242

Books

• Newman, M.C. (In press). Population Ecotoxicology. Wiley & Sons, Chichester, UK.

• Newman, M.C. and C. Strojan (Eds.) 1998.  Environmental Risk Assessment:  Concepts and Measurement.  Ann Arbor Press, Chelsea, MI.

• Newman, M.C.  1998. Fundamentals of Ecotoxicology.  Ann Arbor Press, Chelsea, MI.

• Newman, M.C. and C. Jagoe (Eds.). 1996.  Ecotoxicology:  A Hierarchical Treatment. Lewis/CRC Publishers, Boca Raton, FL.

• Newman, M.C.  1995.  Quantitative Methods in Aquatic Ecotoxicology.  Lewis Publishers,  Chelsea, MI.

• Newman, M.C. and A.W. McIntosh (Eds.). 1991. Metal Ecotoxicology: Concepts and Applications. Lewis Publishers, Chelsea, MI.

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Current Students

• David Ownby

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Courses Taught / Teaching

• MS640: Quantitative Ecotoxicology (SPRING, 4 credits). Essential ecotoxicological principles and quantitative methods for the analysis of ecotoxicological data.  Laboratory exercises will include method applications with PC-based software.  Emphasis will be placed on the scientific and statistical soundness of techniques.
   
• MS641: Environmental Risk Assessment (FALL, 3 credits). The NAS risk assessment paradigm will be developed and applied to both human and ecological risk assessments.  Basic concepts and techniques will be presented for risk assessment.

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Faculty / Student Awards

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Professional Memberships

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Collaborative / Interdisciplinary Efforts

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