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Biogeochemistry Group

960 720 Stroud Water Research Center

The main focus of the Biogeochemistry Group is to investigate major elemental cycles in streams and their watersheds, particularly carbon, nitrogen, and phosphorus pools and fluxes. We are especially interested in quantifying and characterizing the rich array of organic molecules that exist in stream ecosystems, and serve as the main food source to microorganisms and consequently to all biological communities. Throughout the watershed, water is found in many places beyond stream channels, including aquifers, soils, and sediments. Our biogeochemistry laboratory has the capabilities to perform a wide range of chemistry analyses in water samples from all these places.

Biogeochemistry Staff

Sara Damiano

Sara Damiano

Research Technician
Michael Gentile

Michael Gentile

Research Technician
Head shot of Diana Oviedo-Vargas, Ph.D.

Diana Oviedo-Vargas, Ph.D.

Assistant Research Scientist
Sherman Roberts

Sherman Roberts

Research Technician

Biogeochemistry News

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Adenylate energy charge in streambed sediments
Publications /
Kaplan, L.A., and T.L. Bott. 1985. Freshwater Biology 15:133–138 ... Read More
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Benthic bacterial biomass supported by streamwater dissolved organic matter
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Bott, T.L., L.A. Kaplan, and F.T. Kuserk. 1984. Microbial Ecology 10:335–344 ... Read More
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In situ measures of dissolved organic carbon flux in a rural stream
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Kuserk, F.T., L.A. Kaplan, and T.L. Bott. 1984. Canadian Journal of Fisheries and Aquatic Sciences 41:964–973 ... Read More
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Microbial heterotrophic utilization of dissolved organic matter in a piedmont stream
Publications /
Kaplan, L.A., and T.L. Bott. 1983. Freshwater Biology 13:363–377 ... Read More
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Diel fluctuations of DOC generated by algae in a piedmont stream
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Kaplan, L.A., and T.L. Bott. 1982. Limnology and Oceanography 27:1091–1100 ... Read More
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Patterns of dissolved organic carbon in transport
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Kaplan, L.A., R.A. Larson, and T.L. Bott. 1980. Limnology and Oceanography 25:1034–1043 ... Read More