Mark Fenn

Effects and Empirical Critical Loads of Nitrogen for Ecoregions of the United States
Pardo, Linda H., Molly J. Robin-Abbott, Mark E. Fenn, Christine L. Goodale, Linda H. Geiser, Charles T. Driscoll, E.B. Allen, et al. 2015. “Effects and Empirical Critical Loads of Nitrogen for Ecoregions of the United States”. In Critical Loads and Dynamic Risk Assessments, 25:129-69. Dordrecht: Springer Netherlands. doi:10.1007/978-94-017-9508-110.1007/978-94-017-9508-1_5.
The Critical Loads and Levels Approach for Nitrogen
Clair, Thomas A., Tamara Blett, Julian Aherne, Marcos P. M. Aidar, Richard Artz, William J. Bealey, William Budd, et al. 2014. “The Critical Loads and Levels Approach for Nitrogen”. In Nitrogen Deposition, Critical Loads and Biodiversity, 481-91. Dordrecht: Springer Netherlands. doi:10.1007/978-94-007-7939-610.1007/978-94-007-7939-6_50.
Setting limits: Using air pollution thresholds to protect and restore U.S. ecosystems
Fenn, Mark E., Kathleen F. Lambert, Tamara Blett, D.A. Burns, Linda H. Pardo, Gary M. Lovett, Richard Haeuber, D.C. Evers, Charles T. Driscoll, and D.S. Jeffries. 2011. “Setting Limits: Using Air Pollution Thresholds to Protect and Restore U.S. Ecosystems”. Issues in Ecology, no. 14. Ecological Society of America: 1-21. http://www.esa.org/science_resources/issues/FileEnglish/issuesinecology14.pdf.
Methods for measuring atmospheric nitrogen deposition inputs in arid and montane ecosystems of western North America.
Fenn, Mark E., J.O. Sickman, A. Bytnerowicz, D.W. Clow, N.P. Molotch, J.E. Pleim, G.S. Tonnesen, Kathleen C. Weathers, P.E. Padgett, and D.H. Campbell. 2009. “Methods for Measuring Atmospheric Nitrogen Deposition Inputs in Arid and Montane Ecosystems of Western North America”. In A. H. Legge (ed.). Developments in Environmental Science Series Vol. 9: Relating Atmospheric Source Apportionment to Vegetation Effects: Establishing Cause Effect Relationships, 179-228. Elsevier, Amsterdam.