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Adrian Jordaan  

Roxanne Karimi
Adjunct Assistant Professor

Ph.D., 2007, Dartmouth College


Environmental health, freshwater and marine pollutants, ecological stoichiometry, physiological ecology


Research Interests

My research examines how ecological factors control the cycling of contaminants and nutrients in freshwater and marine systems and human exposure to these nutrients and contaminants through fish consumption. My research interests consist of three core areas: 1) bioaccumulation of mercury and other aquatic contaminants, 2) trace metal stoichiometry in aquatic organisms and 3) human exposure to mercury, fatty acids and persistent organic pollutants through seafood consumption.

Currently, my work involves three main projects: 1) a large scale meta-analysis of a global database of mercury concentrations in commercial fish; 2) examining ecological drivers and temporal-spatial trends of mercury concentrations in Long Island fish; 3) investigating health effects of chronic, low-level mercury exposure in avid seafood consumers.

For more information on my mercury research, please see:


Karimi, R., Fisher, N.S., Meliker, J.R. Mercury-nutrient signatures in seafood and in the blood of avid seafood consumers. Submitted, Science of the Total Environment.

Karimi, R., Silbernagel, S., Fisher, N.S., Meliker, J.R. Elevated mercury exposure in avid seafood consumers. Submitted, Environmental Research.

Cottingham, K.L., Karimi, R., Zens, M.S., Sayarath, V., Folt, C.L., Gruber, J.F., Punshon, T., Morris, S., Karagas, M. Diet and toenail arsenic concentrations in a New Hampshire population with arsenic-containing water. In Press, Nutrition Journal.

Karimi, R., Frisk, M. and Fisher, N.S. 2013. Contrasting food web factor and body size relationships with Hg and Se concentrations in marine biota. PLoS ONE 8(9): e74695. doi:10.1371/journal.pone.0074695

Gerber, L.R., Karimi, R., Fitzgerald, T. 2013. Does Trophic Level Predict Seafood Sustainability? Frontiers in Ecology and the Environment 11(3): 122-123.

Karimi, R., Fitzgerald, T. and Fisher, N.S. 2012. A quantitative synthesis of mercury in commercial seafood and implications for exposure in the U.S. Environmental Health Perspectives 120(11): 1512-1519.

Gerber, L.R., Karimi, R., Fitzgerald, T. 2012. Sustaining fisheries for public health. Frontiers in Ecology and the Environment 10(9): 487493.

Karimi, R., Fisher, N.S. and Folt, C.L. 2010. Metal concentrations in aquatic animals: when growth dilution matters. American Naturalist 176: 699-709.

Karimi, R., Chen, C.Y., Fisher, N.S., Pickhardt, P.C., Folt, C.L., 2007. Nutrient stoichiometry controls mercury dilution by growth. Proceedings of the National Academy of Sciences 104:74777482.

Karimi, R. and Folt, C.L., 2006. Beyond macronutrients: element variability and multi-element stoichiometry in freshwater invertebrates. Ecology Letters 9:1273-1283.

Renshaw, C.E., Bostick, B.C., Feng, X., Wong, C.K, Winston, E.S., Karimi, R., Folt, C.L., Chen, C.Y., 2006. Impact of land disturbance on the fate of arsenical pesticides. Journal of Environmental Quality 35:61-67.


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