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Marc Peipoch, Ph.D.

773 773 Stroud Water Research Center
Marc Peipoch, Ph.D.

Associate Research Scientist
Principal Investigator, Ecosystem Ecology Group

Contact

mpeipoch@stroudcenter.org
tel. 610–910-0045
970 Spencer Road, Avondale, PA 19311

ORCID | Google Scholar | ResearchGate | Download CV

Interests and Expertise

Marc Peipoch is interested in the effects of nutrient pollution on aquatic biodiversity and nutrient cycling in freshwater ecosystems. His research focuses on the interactions among ecological and biogeochemical processes that drive aquatic ecosystem dynamics, and uses a diverse set of tools including field experiments, water quality sensors, and modeling approaches.

Specific projects that address these research interests include studies of nutrient spiraling in “pristine” and polluted streams, the influence of low-head milldams on water quality, biological nutrient removal within sediment plumes in agricultural streams, restoration of habitat complexity and ecosystem services in river floodplains, algal growth and nutrient uptake in large rivers, and causes and consequences of riverine algal blooms.

Most of his work has been done and continues to be in streams and rivers of the Piedmont region, the Rocky Mountains and Great Plains of Montana, and/or the Mediterranean Basin.

Education

  • Ph.D., aquatic ecology, University of Barcelona, Spain.
  • M.S., fundamental ecology, University of Barcelona, Spain.
  • B.S., environmental science, University of Girona, Spain.

Professional Experience

  • Assistant research scientist, Stroud Water Research Center, 2018–present.
  • Professional research associate, Division of Biological Sciences, The University of Montana, Missoula, Montana, 2016–2017.
  • Postdoctoral scholar, Division of Biological Sciences, The University of Montana, Missoula, Montana, 2013–2016.
  • Visiting scholar, Flathead Lake Biological Station, The University of Montana, Missoula, Montana, 2010–2011.
  • Graduate researcher, Center for Advanced Studies of Blanes, Spanish National Research Council, Girona, Spain, 2009–2013.
  • Undergraduate research assistant, Institute of Aquatic Ecology, Department of Aquatic Sciences, University of Girona, Spain, 2009.

Publications

Concentration-discharge relationships of chlorophyll describe the origin and fluxes of river algae across ecoregions

Peipoch, M., M. Daniels, and S. Ensign. 2025. Freshwater Science, early online access.

Seasonal variation and key controls of groundwater ammonium concentrations in hypoxic/anoxic riparian sediments

Sena, M.G., M. Peipoch, B. Joshi, M.M. Rahman, E. Peck, A.J. Gold, J. Kan, and S. Inamdar. 2025. Journal of Geophysical Research Biogeosciences 130(2): e2023JG007900.

Evaluation of soil properties and bulk δ15N to assess decadal changes in floodplain denitrification following restoration

Galella, J.G., M.M. Rahman, A.M. Yaculak, M. Peipoch, J. Kan, M. Sena, B. Joshi, S.S. Kaushal, and S. Inamdar. 2025. Restoration Ecology 33(1): e14327.

Water column nitrogen removal during storms in a low-order watershed

Bacmeister, E., E. Peck, S. Bernasconi, S. Inamdar, J. Kan, and M. Peipoch. 2024. Journal of Geophysical Research: Biogeosciences 129(10): e2024JG008360.

Dissimilatory nitrate reduction to ammonium (DNRA) can undermine nitrogen removal effectiveness of persistently reducing riparian sediments

Rahman, M.M., M. Peipoch, J. Kan, M. Sena, B. Joshi, D. Dwivedi, A.J. Gold, P.M. Groffman, J.G. Galella, and S. Inamdar. 2024. American Chemical Society Environmental Science and Technology Water 4(9): 3873–3881.

Cutting Waste in the Reforestation of Riparian Zones

An update on research seeks to reduce plastic waste, maintenance costs, and the mortality of planted trees and shrubs.

Conserving National Park Streams

The Stroud Center has been collaborating in the National Capital Region to support monitoring and analysis of park stream ecosystems.

Stroud Center Goes Live with Fox 29 Weather Team

Meteorologist Drew Anderson got his feet wet in White Clay Creek as some of our scientists discussed healthy streams with viewers of the live show.

Will Removing Thousands of Old Milldams Across the Northeast Help or Hurt Streams?

Stroud Center scientists have been assessing how milldams affect the filtering capacity of streams and whether their removal affects water quality. 

Sharing Our Science at the National Monitoring Conference

Along with networking and learning state-of-the-art water quality monitoring techniques, we presented our research to hundreds of water quality specialists.

Tropical Research Reveals Climate Change Impacts on Water Quality

Stroud Center scientists continue to investigate how climate change influences tropical species and ecosystem dynamics.
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