Faculty

Institution

Unit

Venue

Jason Keller

Claremont McKenna College

Affiliations

Claremont McKenna College

Kravis Department of Integrated Sciences

Robert Day School of Economics and Finance

The Berger Institute for Individual and Social Development

The Keck Center for International and Strategic Studies

The Randall Lewis Center for Innovation and Entrepreneurship

Department Of Government

Department Of Joint Sciences

Department Of Literature

Department Of Political Science

Jason Keller is a Senior Professor at Claremont McKenna College. His research integrates biogeochemistry, soil biology, and terrestrial ecology to investigate carbon cycling in northern peatlands. His recent work examines redox-active organic matter dynamics, methane transport and oxidation pathways, and the microbial controls on greenhouse gas production, including the effects of experimental warming and water-table levels. He has published in journals such as *Journal of Geophysical Research Biogeosciences*, *Global Change Biology*, and *New Phytologist*, with studies spanning Alaskan fens, Minnesota bogs, and U.S. tidal marshes.

Honors

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Jason Keller

Claremont McKenna College

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environmental science ecology biogeochemistry earth science soil biology climate change plant science soil ecology wetlands organic geochemistry environmental chemistry environmental engineering soil terrestrial ecology microbial ecology soil science environmental microbiology global ecology soil biochemistry botany geophysical research biogeography soil organic matter soil chemistry pest science plant ecology constructed wetlands soil biogeochemical cycling biogeochemical models methane production geoscientific model development ecohydrology forest ecosystems carbon cycle environmental biology soil microbiology arid environments biogeochemical process organic matter plant soil soil dynamics livestock science coastal research freshwater biology applied geochemistry ecological modelling vegetation science environmental fate terrestrial ecosystem productivity climate modelling greenhouse effect anaerobic carbon mineralization ombrotrophic-minerotrophic peatland gradient tidal marshes anaerobic decomposition methane processes soil biogeochemistry integrative model humic substance analog anaerobic metabolism peatland soils limnology physical oceanography climate change mitigation environmental politics social-ecological systems environmental stewardship social ecology environmental governance biological carbon fixation high elevation benthic ecology methane emissions global scales north american wetlands carbon balance

Notable Scholarly Works

Notable Federal Grants

Collaborators

Direct and Indirect Effects of Water‐Table Levels on Redox‐Active Organic Matter Reduction in an Alaskan Rich Fen. Journal of Geophysical Research Biogeosciences (2025)

hazardous materialswater qualitychemical pollutantsenvironmental chemistryorganic geochemistryecotoxicologyenvironmental scienceenvironmental engineeringenvironmental fatewater‐table levelsalaskan rich fenindirect effectsapplied geochemistry

Methane Transport Pathways and Oxidation in a Minnesota Bog. Journal of Geophysical Research Biogeosciences (2025)

natural gasgeochemistrygreenhouse gasearth scienceorganic geochemistrybiogeochemistrycoal bed methanebiogeochemical processchemical geology

Anaerobic Oxidation of Methane Mitigates Net Methane Production and Responds to Long-Term Experimental Warming in a Northern Bog. Soil Biology and Biochemistry (2024)

Madison BarneyAnya M. HoppleLaura L. GregoryJason K. KellerScott D. Bridgham

climate changesoil biochemistryenvironmental chemistrybiogeochemistrysoil chemistryenvironmental sciencelong-term experimental warmingnorthern boganaerobic oxidationecologysoil ecologysoil sciencemicrobial ecologysoil biology

Methane Fluxes in Tidal Marshes of the Conterminous United States. Global Change Biology (2024)

Ariane Arias‐OrtizJaxine WolfeScott D. BridghamSara KnoxGavin McNicolBrian A. NeedelmanJulie ShahanEllen J. Stuart‐HaëntjensLisamarie Windham‐MyersPatty Y. OikawaDennis D. BaldocchiJoshua S. CaplanMargaret CapoociKenneth M. CzaplaR. Kyle DerbyHeida L. DiefenderferInke ForbrichGina GrosecloseJason K. KellerCheryl KelleyAmr E. KeshtaHelena S. KleinerKen W. KraussRobert R. LaneSarah MackSerena Moseman‐ValtierraThomas J. MozdzerPeter MuellerScott C. NeubauerGenevieve NoyceKarina V. R. SchäferRebecca Sanders‐DeMottCharles A. SchutteRodrigo VargasNathaniel B. WestonBenjamin WilsonJ. Patrick MegonigalJames R. Holmquist

aquatic ecosystemswetlandsearth scienceresidual stresstidal marshesenvironmental scienceecosystemsmethane fluxesconterminous united statescoastal conservationecologyglobal change biology

Microbial Organic Matter Reduction Regulates Methane and Carbon Dioxide Production Across an Ombrotrophic-Minerotrophic Peatland Gradient. Soil Biology and Biochemistry (2023)

Jason K. KellerScott D. BridghamKimberly K. TakagiCassandra A. ZalmanJessica E. RushCrisand AndersonJessica M. MosolfKristin N. Gabriel

soil biochemistrysoil microbiologymicrobial physiologymicrobiologycarbon dioxide productionsoil ecologyenvironmental microbiologymicrobial ecologysoil biology

Peat Loss Collocates With a Threshold in Plant–Mycorrhizal Associations in Drained Peatlands Encroached by Trees. New Phytologist (2023)

Camille E. DefrenneJessica A. M. MooreColin L. TuckerLouis J. LamitEvan S. KaneRandall K. KolkaRodney A. ChimnerJason K. KellerErik A. Lilleskov

vegetation sciencedrained peatlandsenvironmental sciencebotanyplant ecologyecologypeat loss

Porewater Constituents Inhibit Microbially Mediated Greenhouse Gas Production (Ghg) and Regulate the Response of Soil Organic Matter Decomposition to Warming in Anoxic Peat From a Sphagnum -Dominated Bog. FEMS Microbiology Ecology (2023)

Tianze SongYutong LiuMax KoltonRachel M WilsonJason K KellerJose L RolandoJeffrey P ChantonJoel E Kostka

climate changesoil microbiologyterrestrial ecologybiogeochemistryenvironmental sciencemicrobiologysoil organic matterporewater constituentsenvironmental biologyecologyanoxic peatsoil ecologyenvironmental microbiologymicrobial ecologygreenhouse gas productionsoil biology

Comment on Bg-2021-316. (2022)

Ma, ShuangJiang, LifenWilson, Rachel M.Chanton, Jeff P.Bridgham, ScottNiu, ShuliIversen, Colleen M.Malhotra, AvniJiang, JiangLu, XingjieHuang, YuanyuanKeller, JasonXu, XiaofengRicciuto, Daniel M.Hanson, Paul J.Luo, Yiqi

climate changeecosystem interactionsterrestrial ecosystemsenvironmental scienceglobal changeecology

Evaluating Alternative Ebullition Models for Predicting Peatland Methane Emission and Its Pathways via Data–Model Fusion. Biogeosciences (2022)

Shuang MaLifen JiangRachel M. WilsonJeff P. ChantonScott BridghamShuli NiuColleen M. IversenAvni MalhotraJiang JiangXingjie LuYuanyuan HuangJason KellerXiaofeng XuDaniel M. RicciutoPaul J. HansonYiqi Luo

climate changegreenhouse gasearth scienceorganic geochemistrybiogeochemistryenvironmental sciencesoil carbon cycleforest ecosystemsbiogeochemical processenvironmental modellingbiogeochemical modelsebg modellarge uncertaintiessoil biology

Homoacetogenesis Competes With Hydrogenotrophic Methanogenesis for Substrates in a Peatland Experiencing Ecosystem Warming. Soil Biology and Biochemistry (2022)

Cory LeeWaysLaura L. McCulloughAnya M. HoppleJason K. KellerScott D. Bridgham

climate changesoil biochemistryenvironmental sciencehydrogenotrophic methanogenesisecologysoil biology

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Jason Keller

Claremont McKenna College

Affiliations

Claremont McKenna College

Kravis Department of Integrated Sciences

Robert Day School of Economics and Finance

The Berger Institute for Individual and Social Development

The Keck Center for International and Strategic Studies

The Randall Lewis Center for Innovation and Entrepreneurship

Department Of Government

Department Of Joint Sciences

Department Of Literature

Department Of Political Science

Honors

Create free account to unlock more features

Experiences

Create free account to unlock more features

Education

Create free account to unlock more features

Jason Keller

Claremont McKenna College

You can click a keyword to filter the displayed items

Notable Scholarly Works

Notable Federal Grants

Collaborators

Direct and Indirect Effects of Water‐Table Levels on Redox‐Active Organic Matter Reduction in an Alaskan Rich Fen. Journal of Geophysical Research Biogeosciences (2025)

Methane Transport Pathways and Oxidation in a Minnesota Bog. Journal of Geophysical Research Biogeosciences (2025)

natural gasgeochemistrygreenhouse gasearth scienceorganic geochemistrybiogeochemistrycoal bed methanebiogeochemical processchemical geology

Anaerobic Oxidation of Methane Mitigates Net Methane Production and Responds to Long-Term Experimental Warming in a Northern Bog. Soil Biology and Biochemistry (2024)

Madison BarneyAnya M. HoppleLaura L. GregoryJason K. KellerScott D. Bridgham

Methane Fluxes in Tidal Marshes of the Conterminous United States. Global Change Biology (2024)

aquatic ecosystemswetlandsearth scienceresidual stresstidal marshesenvironmental scienceecosystemsmethane fluxesconterminous united statescoastal conservationecologyglobal change biology

Microbial Organic Matter Reduction Regulates Methane and Carbon Dioxide Production Across an Ombrotrophic-Minerotrophic Peatland Gradient. Soil Biology and Biochemistry (2023)

Jason K. KellerScott D. BridghamKimberly K. TakagiCassandra A. ZalmanJessica E. RushCrisand AndersonJessica M. MosolfKristin N. Gabriel

soil biochemistrysoil microbiologymicrobial physiologymicrobiologycarbon dioxide productionsoil ecologyenvironmental microbiologymicrobial ecologysoil biology

Peat Loss Collocates With a Threshold in Plant–Mycorrhizal Associations in Drained Peatlands Encroached by Trees. New Phytologist (2023)

Camille E. DefrenneJessica A. M. MooreColin L. TuckerLouis J. LamitEvan S. KaneRandall K. KolkaRodney A. ChimnerJason K. KellerErik A. Lilleskov

vegetation sciencedrained peatlandsenvironmental sciencebotanyplant ecologyecologypeat loss

Tianze SongYutong LiuMax KoltonRachel M WilsonJason K KellerJose L RolandoJeffrey P ChantonJoel E Kostka

Comment on Bg-2021-316. (2022)

climate changeecosystem interactionsterrestrial ecosystemsenvironmental scienceglobal changeecology

Evaluating Alternative Ebullition Models for Predicting Peatland Methane Emission and Its Pathways via Data–Model Fusion. Biogeosciences (2022)

Homoacetogenesis Competes With Hydrogenotrophic Methanogenesis for Substrates in a Peatland Experiencing Ecosystem Warming. Soil Biology and Biochemistry (2022)

Cory LeeWaysLaura L. McCulloughAnya M. HoppleJason K. KellerScott D. Bridgham

climate changesoil biochemistryenvironmental sciencehydrogenotrophic methanogenesisecologysoil biology

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