World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
52
Citations
12797
World Ranking
4411
National Ranking
1640

Overview

Mark E. Fenn is affiliated with the US Forest Service in the United States and has contributed to research primarily in environmental science, agricultural and biological sciences, and earth and planetary sciences. Their work spans various subfields including global and planetary change, ecology, evolution, behavior and systematics, plant science, ecology, and atmospheric science.

The scientist's research focuses on topics such as lichen and fungal ecology, fire effects on ecosystems, plant responses to elevated CO₂, atmospheric chemistry and aerosols, land use and ecosystem services, urban green space and health, and forest management and policy.

Mark E. Fenn has authored publications in multiple venues, with frequent appearances in Ecological Indicators, Frontiers in Ecology and the Environment, Ecosphere, Forest Ecology and Management, and Studies in Conservation. Recent noteworthy papers include:

  • "An expanded framework for wildland-urban interfaces and their management" (2022) published in Frontiers in Ecology and the Environment
  • "Lichen bioindicators of nitrogen and sulfur deposition in dry forests of Utah and New Mexico, USA" (2021) published in Ecological Indicators
  • "Declines in native forb richness of an imperiled plant community across an anthropogenic nitrogen deposition gradient" (2020) published in Ecosphere
  • "Evaluating the effects of nitrogen and sulfur deposition and ozone on tree growth and mortality in California using a spatially comprehensive forest inventory" (2020) published in Forest Ecology and Management
  • "Challenges characterizing N deposition to high elevation protected areas: A case study integrating instrument, simulated, and lichen inventory datasets for the Devils Postpile National Monument and surrounding region, USA" (2021) published in Ecological Indicators

Frequent collaborators include Sarah Jovan, Andrzej Bytnerowicz, Gregory Beachley, Enzai Du, and W. de Vries. The collaboration with these researchers has contributed to the multidisciplinary nature of their work, especially in ecological and environmental contexts.

Best Publications

  • Global assessment of nitrogen deposition effects on terrestrial plant diversity: a synthesis.

    R. Bobbink;K. Hicks;J. Galloway;T. Spranger

  • Nitrogen excess in North American ecosystems: Predisposing factors, ecosystem responses, and management strategies

    Mark E. Fenn;Mark A. Poth;John D. Aber;Jill S. Baron

  • Ecological Effects of Nitrogen Deposition in the Western United States

    Mark E. Fenn;Jill S. Baron;Edith B. Allen;Heather M. Rueth

  • Microbial ecology of leaves

    Mark E. Fenn;Paul H. Dunn;John H. Andrews;Susan S. Hirano

  • Nitrogen Emissions, Deposition, and Monitoring in the Western United States

    Mark E. Fenn;Richard Haeuber;Gail S. Tonnesen;Jill S. Baron

  • Nitrogen deposition in California forests: A review

    Andrzej Bytnerowicz;Mark E. Fenn

  • Evidence for nitrogen saturation in the San Bernardino Mountains in southern California

    Mark E. Fenn;Mark A. Poth;Dale W. Johnson

  • Nitrogen critical loads and management alternatives for N-impacted ecosystems in California

    M.E. Fenn;E.B. Allen;S.B. Weiss;S. Jovan

  • Tracing Atmospheric Nitrate Deposition in a Complex Semiarid Ecosystem Using Δ17O

    Greg Michalski;Thomas Meixner;Mark E. Fenn;Larry Hernandez

  • Nitrogen deposition effects on Mediterranean-type ecosystems : an ecological assessment

    Raul Ochoa-Hueso;Edith B Allen;Cristina Branquinho;Cristina Cruz

  • Empirical and simulated critical loads for nitrogen deposition in California mixed conifer forests

    M.E. Fenn;S. Jovan;F. Yuan;L. Geiser

  • Monitoring nitrogen deposition in throughfall using ion exchange resin columns: a field test in the San Bernardino Mountains.

    Mark E. Fenn;Mark A. Poth

  • Ozone exposure and nitrogen deposition lowers root biomass of ponderosa pine in the San Bernardino Mountains, California

    Nancy Grulke;C.P. Andersen;M.E. Fenn;P.R. Miller

  • Temporal and spatial trends in streamwater nitrate concentrations in the San Bernardino mountains, southern California

    Mark E. Fenn;Mark A. Poth

  • Further evidence for the direct mode of action of fosetyl-Al and phosphorous acid

    M. E. Fenn;M. D. Coffey

  • Global topics and novel approaches in the study of air pollution, climate change and forest ecosystems

    Pierre Sicard;Algirdas Augustaitis;Salim Belyazid;Carlo Calfapietra

  • Atmospheric deposition of nitrogen and sulfur and preferential canopy consumption of nitrate in forests of the Pacific Northwest, USA

    Mark E. Fenn;Christopher S. Ross;Susan L. Schilling;William D. Baccus

  • Autotrophic ammonia-oxidizing bacteria contribute minimally to nitrification in a nitrogen-impacted forested ecosystem

    Fiona L. Jordan;J. Jason L. Cantera;Mark E. Fenn;Lisa Y. Stein

  • Current and future effects of ozone and atmospheric nitrogen deposition on California’s mixed conifer forests

    Brent K. Takemoto;Andrzej Bytnerowicz;Mark E. Fenn

  • Influence of ozone and nitrogen deposition on bark beetle activity under drought conditions

    Michele Eatough Jones;Timothy D. Paine;Mark E. Fenn;Mark A. Poth

  • On-road emissions of ammonia: An underappreciated source of atmospheric nitrogen deposition.

    Mark E. Fenn;Andrzej Bytnerowicz;Susan L. Schilling;Dena M. Vallano

Frequent Co-Authors

Andrzej Bytnerowicz
Andrzej Bytnerowicz US Forest Service
Thomas Meixner
Thomas Meixner University of Arizona
Edith B. Allen
Edith B. Allen University of California, Riverside
Bernhard Mayer
Bernhard Mayer University of Calgary
Jill S. Baron
Jill S. Baron United States Geological Survey
Shaun A. Watmough
Shaun A. Watmough Trent University
James O. Sickman
James O. Sickman University of California, Riverside
Benjamín S. Gimeno
Benjamín S. Gimeno Complutense University of Madrid
Charles T. Driscoll
Charles T. Driscoll Syracuse University
Steven S. Perakis
Steven S. Perakis United States Geological Survey

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