Gregory J. Nowacki
United States Forest Service
37 Papers
200 Citations
Gregory J. Nowacki is an academic researcher from United States Forest Service. The author has contributed to research in topics: Understory & Vegetation. The author has an hindex of 21, co-authored 37 publications. Previous affiliations of Gregory J. Nowacki include University of Wisconsin-Madison & United States Department of Agriculture.
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Papers
The Demise of Fire and “Mesophication” of Forests in the Eastern United States
TL;DR: In this article, a positive feedback cycle is described whereby microenvironmental conditions (cool, damp, and shaded conditions; less flammable fuel beds) continually improve for shade-tolerant mesophytic species and deteriorate for fire-adapted species.
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Ecological Subregions: Sections and Subsections for the conterminous United States
D.T. Cleland,J.A. Freeouf,J.E. Keys,Gregory J. Nowacki,C.A. Carpenter,W.H. McNab +5 more
- 01 Jan 2007
Abstract: The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or part of an individual's income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice and TDD). To file a complaint of discrimination, write to USDA, Director, Office of Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410, or call (800) 795-3272 (voice) or (202) 720-6382 (TDD). USDA is an equal opportunity provider and employer. FOREST SERVICE MAP Compiled and edited by: James E. Keys, Jr., David T. Cleland, and Jerry A. Freeouf, USDA Forest Service. Cartographic production by Alyssa M. Sloan, Michigan Technological University, Janice E. Wilson, and Judy Dersch, USDA Forest Service. Map constructed using automated methods by USDA Forest Service, Eastern Regional Office, Rhinelander, WI. Support was provided by Rocky Mountain Region, Lakewood, CO. Ecoregion and subregion theme designs by Robert G. Bailey, James E. Keys, Jr., Constance A. Carpenter, and others. Map base from US Geological Survey National Atlas Series. USDA FOREST SERVICE REGIONS
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Historical variation in fire, oak recruitment, and post-logging accelerated succession in central Pennsylvania
TL;DR: Abrams et al. as mentioned in this paper analyzed historical variation in fire, oak recruitment, and post-logging accelerated succession in central Pennsylvania in a relatively undisturbed, mature mixed-oak (Quercus), valley floor forests.
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Native Americans as active and passive promoters of mast and fruit trees in the eastern USA
TL;DR: This article reviewed literature in the fields of anthropology, archaeology, ethnobotany, palynology and ecology to determine the impacts of Native Americans as active and passive promoters of mast (nuts and acorns) and fruit trees prior to European settlement.
Is climate an important driver of post‐European vegetation change in the Eastern United States?
TL;DR: The results of this study suggest that altered disturbance regimes rather than climate had the greatest influence on vegetation composition and dynamics in the eastern United States over multiple centuries.