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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

Distinct changes in riparian sediment microbial communities with depth and time since dam removal

Moore, E.R., M.M. Rahman, J.G. Galella, M. Sena, B. Joshi, A. Yaculak, M. Peipoch, J. Kan, and S. Inamdar. 2026. Nature Scientific Reports 16: article 6885.

Road salt impacts on soil properties and permanent nitrogen removal capacity of freshwater urban wetlands

Rahman, M.M., M. Peipoch, J. Kan, E. Moore, M. Sena, M. Kantak, S. Sharma, C. Lekha, and S.P. Inamdar. 2026. Wetlands 46, 14.

Freshwater salinization syndrome is degrading streamwater quality in the National Capital Region national parks, USA

Myers, D.T., D. Oviedo-Vargas, S. Ensign, M. Daniels, J.P. Schmit, M. Peipoch, and J. Kan. 2025. Freshwater Science 54(1): 18–30.

High-frequency soil redox data provide novel insights into biogeochemical hot spots and hot moments

Sena, M.G., B. Joshi, M.M. Rahman, M. Peipoch, J. Kan, E. Moore, M. Afsar, Y. Jin, D. Dwivedi, E. Peck, and S. Inamdar. 2025. Hydrological Processes 39(12): e70367.

Modeling the competition and controls for denitrification and dissimilatory nitrate reduction to ammonium (DNRA) in riparian sediments

Joshi, B., D. Dwivedi, M.M. Rahman, M.G. Sena, E.R. Moore, J.G. Galella, M. Peipoch, J. Kan, P. Imhoff, and S. Inamdar. 2025. Journal of Geophysical Research: Biogeosciences 130(12): e2025JG009072.

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.

A Fresh Look at River Algae in the Delaware River Basin

A novel method to evaluate how algal concentration changes during river floods may be key to more accurately predicting how to keep algae under control. 

The Viscosity Effect: A Newly Found Connection Between the Riparian Zone and Water Quality

A new Stroud Center study shows that the density of water plays a previously overlooked role in nutrient and carbon cycling in freshwater ecosystems.

New Way to Trace Algae Origins Could ID Sources of Water Pollution

Real-time chlorophyll sensors can be used to determine the origins of algae in rivers and streams. 

Who’s Polluting Our Water? Scientists’ New Way to Trace Algae Origins Could Tell Us

Not all algae are harmful but too much can be deadly. Why? Because when they die, the blooms feed bacteria that rob the water of oxygen. 
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