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Mark E. Fenn

Research Plant Pathologist
4955 Canyon Crest Drive
Riverside, CA 92507

research interest

My primary research interests are evaluating the long term effects of atmospheric nitrogen (N) deposition on sensitive biotic communities, forest health (including pests and pathogens), soil chemistry and biology, nutrient cycling processes, and water quality. I am interested in multiple stress and multiple pollutant interactions as they impinge on forest sustainability, and water quality and quantity of chronic N deposition.


  • University of California Plant Pathology Ph.D. 1986
  • University of Arizona Plant Pathology B.Sc. 1981

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