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Louis Kaplan, Ph.D.

500 500 Stroud Water Research Center

Research Scientist Emeritus

  • Affiliate Faculty, Delaware Environmental Institute, University of Delaware

Contact

lakaplan@stroudcenter.org
970 Spencer Road, Avondale, PA 19311

Interests and Expertise

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

Google Scholar

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

Spatial scale impacts microbial community composition and distribution within and across stream ecosystems in North and Central America

Bier, R.L., J.J. Mosher, L.A. Kaplan, and J. Kan. 2023. Environmental Microbiology 25(10): 1860–1874.

Spatial variability in streambed microbial community structure across two watersheds

Akinwole, P., J. Kan, L.A. Kaplan, and R.H. Findlay. 2021. Microbiology Spectrum 9(3) e01972-21.

Elucidating stream bacteria utilizing terrestrial dissolved organic matter

Akinwole, P., L. Kaplan, and R. Findlay. 2021. World Journal of Microbiology and Biotechnology 37, article 32.

Effect of decreasing biological lability on dissolved organic matter dynamics in streams

Li, A., J.D. Drummond, J.C. Bowen, R.M. Cory, L.A. Kaplan, and A.I. Packman. 2020. Water Resources Research 57(2): e2020WR027918.

Direct non‐invasive 1H NMR analysis of stream water DOM: Insights into the effects of lyophilization compared to whole water

Whitty, S.D., D.C. Waggoner, R.M. Cory, L.A. Kaplan, and P.G. Hatcher. 2019. Magnetic Resonance in Chemistry 59(5): 540–553.

See all publications by Stroud Center authors

Related News

Tropical Freshwater Research Unlocks One of Nature’s Secrets

Scientist Lou Kaplan, Ph.D., describes how tropical research like his deepens our understanding of stream ecosystems both locally and abroad.

Long-Term Research in Environmental Biology: Trajectory for the Recovery of Stream Ecosystem Structure and Function During Reforestation

Stream restoration in the United States is a multibillion-dollar industry, yet long-term monitoring of its effectiveness is virtually nonexistent. To fill this gap, the Stroud Center restored a portion of

Transforming Water Quality in the Sharitz Run Headwaters of Brandywine Creek

This Watershed Renaissance Initiative grant will enable Stroud Water Research Center to implement extensive watershed restoration projects designed to capture and control excess water and sediment production from agricultural hillslopes.

Sharing Our Science in Salt Lake City

Stroud Center scientists shared their work at the weeklong annual meeting of this premier international organization of aquatic scientists.

Science Never Retires

Tom Bott, Bern Sweeney, Lou Kaplan and Denis Newbold are using their retirement in order to continue to pursue their passions in freshwater science.

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.
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