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Filters: Keyword is Pollution and Author is Nicholas, Niki Stephanie  [Clear All Filters]
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Zedaker, Shephard M., Niki Stephanie Nicholas, and Christopher C. Eagar. "Assessment of Forest Decline in the Southern Appalachian Spruce-Fir Forest, USA." In Air Pollution and Forest Decline: Proceedings of the 14th International Meeting for Specialists in Air Pollution Effects on Forest Ecosystems, International Union of Forest Research O, 239-44. Birmensdorf, Switzerland: Eidgenössische Anstalt für das forstliche Versuchswesen, 1989.
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Nicholas, Niki Stephanie, and Peter S. White. The Effect of Balsam Woolly Aphid Infestation on Fuel Levels in Spruce-Fir Forests of Great Smoky Mountains National Park. National Park Service -- Southeast Region, 1985.
Webster, K. L., Irena F. Creed, Niki Stephanie Nicholas, and Helga Van Miegroet. "Exploring Interactions Between Pollutant Emissions and Climatic Variability in Growth of Red Spruce in the Great Smoky Mountains National Park." Water Air and Soil Pollution 159, no. 1 (2004): 225-248.
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Zedaker, Shephard M., Niki Stephanie Nicholas, Christopher C. Eagar, Peter S. White, and Thomas E. Burk. Stand Characteristics Associated with Potential Decline of Spruce-Fir Forests in the Southern Appalachians In Proceedings of the US/FRG Research Symposium: Effects of Atmospheric Pollutants on the Spruce-Fir Forests of the Eastern United States and the Federal Republic of Germany. Burlington, VT: U.S.D.A. Forest Service, 1988.
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Van Miegroet, Helga, Irena F. Creed, Niki Stephanie Nicholas, D. G. Tarboton, K. L. Webster, J. Shubzda, B. Robinson, James L. Smoot, Dale W. Johnson, Steven E. Lindberg et al. "Is There Synchronicity in Nitrogen Input and Output Fluxes at the Noland Divide Watershed, a Small N-Saturated Forested Catchment in the Great Smoky Mountains National Park." The Scientific World Journal 1 (2001): 480-492.