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Impact of the Balsam Woolly Adelgid (Adelges piceae Ratz.) on an Abies fraseri (Pursh) Poir. Dominated Stand near the Summit of Mount LeConte, Tennessee." Castanea 68, no. 2 (2003): 109-118.
"Fighting Aliens with Aliens." Environment 44, no. 10 (2002): 7.
"Losing the Forest and the Trees." National Parks 76, no. 11-12 (2002): 18-22.
""Non-native Beetle Key in Park's Battle." National Parks 76, no. 7-8 (2002): 14.
Variation in Overstory Nitrogen Uptake in a Small, High-Elevation Southern Appalachian Spruce-Fir Watershed." Canadian Journal of Forest Research 32, no. 10 (2002): 1741-1752.
"Distribution of Breeding Birds in Great Smoky Mountains National Park In Zoology, Edited by Theodore R. Simons. Raleigh, NC: North Carolina State University, 2001.
Spectral Response and Spatial Pattern of Fraser fir Mortality and Regeneration, Great Smoky Mountains, USA." Plant Ecology 156, no. 1 (2001): 59-74.
"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.
"Application of Spherical Statistics to Change Vector Analysis of Landsat Data: Southern Appalachian Spruce-Fir Forests." Remote Sensing of Environment 74, no. 3 (2000): 482-493.
"Size- and Age-Class Distributions of Fraser Fir Following Balsam Woolly Adelgid Infestation." Canadian Journal of Forest Research 30, no. 6 (2000): 948-957.
"Changes in Old Growth Hemlock Forests of the Cataloochee Watershed in the Great Smoky Mountains National Park : Preparing for the Arrival of the Hemlock Woolly Adelgid (Adelges tsugae). Cullowhee, NC: Western Carolina University, 1999.
"Giant Hemlocks Face Predator." National Parks 73, no. 1-2 (1999): 16-19.
Patterns of Overstory Composition in the FIr and Fir-Spruce Forests of the Great Smoky Mountains After Balsam Woolly Adelgid Infestation." The American Midland Naturalist 139, no. 2 (1998): 340-352.
"Response of Avian Communities to Distrubance by an Exotic Insect in Spruce-Fir Forests of the Southern Appalachains." Conservation Biology 12, no. 1 (1998): 177-189.
"Southern Appalachian Fir and Fir-Spruce Forest Community Changes Following Balsam Woolly Adelgid Infestation In Ecology and Evolutionary Biology. Vol. Master of Science. Knoxville: University of Tennessee, 1997.
Eastern Hemlock Forest Delineation in Great Smoky Mountains National Park (1993-1995). Gatlinburg, TN: Resources Management and Science Division, Great Smoky Mountain National Park, 1995.
Regeneration of Fraser Fir After Thirty Years of Balsam Woolly Adelgid Infestation. Great Smoky Mountains National Park, 1995.
Old Growth Project: Stand Delineation and Disturbance Rating Great Smoky Mountains National Park In Technical Report NPS/ SERGRSM/ NRTR. Gatlinburg, TN: National Park Service, 1994.
Forest Health Evaluation of Balsam Woolly Adelgid on the Great Smoky Mountains National Park. Asheville, NC: Forest Pest Management, 1993.
A Comparison of Overstory Community Structure in Three Southern Appalachian Spruce-Fir Forests." Bulletin of the Torrey Botanical Club 119, no. 3 (1992): 316-332.
"Spruce-fir Forests of Eastern North America." In Ecology and Decline of Red Spruce in the Eastern United States, 3-39. Vol. 96. New York, NY: Springer-Verlag, 1992.
"Nutrient Cycling in Red Spruce Forests of the Great Smoky Mountains." Canadian Journal of Forest Research 21, no. 6 (1991): 769-787.
"Patterns of Abies fraseri Regeneration in a Great Smoky Mountains Spruce-Fir Forest." Bulletin of the Torrey Botanical Club 117, no. 4 (1990): 375-381.
"Seasonal Patterns of Photosynthesis and Respiration of Red Spruce Saplings from Two Elevations in Declining Southern Appalachian Stands." Canadian Journal of Forest Research 20, no. 5 (1990): 485-495.
"Does Rubus Canadensis Interfere with The Growth of Fraser Fir Seedlings?. Knoxville, TN: The University of Tennessee, 1989.