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Louis Kaplan, Ph.D.

500 500 Stroud Water Research Center

Research Scientist Emeritus

  • Adjunct Professor, Department of Biology, University of Pennsylvania
  • Affiliate Faculty, Delaware Environmental Institute, University of Delaware

Contact

lakaplan@stroudcenter.org
tel. 610-268-2153, ext. 228
970 Spencer Road, Avondale, PA 19311

Interests and Expertise

Dissolved organic matter biogeochemistry, aquatic microbial ecology, and nutrient cycling.

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Education

  • Ph.D., Biology (Limnology), University of Pennsylvania, Philadelphia, Pennsylvania.
  • M.S., Ecology, University of California, Davis, California.
  • B.A., Environmental Sciences, Franklin and Marshall College, Lancaster, Pennsylvania.

Professional Experience

  • Research Scientist Emeritus, Stroud Water Research Center, 2018–present.
  • Director, Ecosystem Science Cluster, Division of Environmental Science, National Science Foundation, 2015–2018.
  • Senior Research Scientist, Stroud Water Research Center, 1999–2017.
  • Curator, Division of Environmental Research, Stroud Water Research Center, Academy of Natural Sciences of Philadelphia, 1996–1999.
  • Assistant Curator, Division of Environmental Research, Stroud Water Research Center, Academy of Natural Sciences of Philadelphia, 1988–1992.
  • Research Associate, Division of Environmental Research, Stroud Water Research Center, Academy of Natural Sciences of Philadelphia, 1980–1988.
  • Post Graduate Research Scientist III, University of California, Davis, California, 1974–1975.

Publications

Impacts of hydrous manganese oxide on the retention and lability of dissolved organic matter

Stuckey, J.W., C. Goodwin, J. Wang, L.A. Kaplan, P. Vidal-Esquivel, T.P. Beebe Jr., and D.L. Sparks. 2018. Geochemical Transactions 19:6.

Variation of organic matter quantity and quality in streams at Critical Zone Observatory watersheds

Miller, M.P., E.W. Boyer, D.M. McKnight, M.G. Brown, R.S. Gabor, C.T. Hunsaker, L. Iavorivska, S. Inamdar, D.W. Johnson, L.A. Kaplan, H. Lin, W.H. McDowell, and J.N. Perdrial. 2016. Water Resources Research 52(10):8202–8216.

Dissolved organic matter in stream ecosystems: forms, functions, and fluxes of watershed tea

Kaplan, L.A., and R. Cory. 2016. Pages 241–320 in J.B. Jones and E.H. Stanley (editors). Stream Ecosystems in a Changing Environment. Academic Press, Cambridge, Massachusetts.

Consumption of terrestrial dissolved organic carbon by stream microorganisms

Wiegner, T.N., L.A. Kaplan, S.E. Ziegler, R.H. Findlay. 2015. Aquatic Microbial Ecology 75:225–237.

Longitudinal shifts in dissolved organic matter chemogeography and chemodiversity within headwater streams: a river continuum reprise

Mosher, J.J., L.A. Kaplan, D.C. Podgorski, A.M. McKenna, and A.G. Marshall. 2015. Biogeochemistry 124(1–3):371–385.
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Related News

Science Never Retires

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Field Notes From Our Work in Costa Rica

A team of five Stroud Center scientists worked under the rainbows of the Orosí Volcano in Costa Rica to survey a dozen streams ... Read More

Evaluating Potential Impacts on Groundwater of Passive Composting of Spent Mushroom Substrate According to Best Practices Guidelines

Researchers are testing whether Pennsylvania Department of Environmental Protection guidelines for passive composting of spent mushroom substrate are protecting groundwater ... Read More

Collaborative Research: Coupled Geochemical and Geobiological Characterization of Dissolved Organic Matter Oxidation to Carbon

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Metaecosystems and the Upstream Legacy: Influence of Dissolved Organic Matter on the Structure and Function of Streambed Bacterial Communities

Investigators explore how the quality of organic molecules changes with distance downstream and how those changes influence the composition of the communities of streambed microbes using that food resource ... Read More

Your Livable Landscape: Cultivating an Ecosystem Esthetic

An educational project showing how a shift to an ecosystem esthetic can reduce the carbon footprint of a landowner's landscape while its maintaining beauty ... Read More
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