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10,992 results found
Oaks have been an important component of eastern deciduous forest communities since the end of the last glaciation, 10,000 years BP.
Author(s): Elaine K. Sutherland, Todd F. Hutchinson
Source: In: Ford, W. Mark; Russell, Kevin R.; Moorman, Christopher E., eds. Proceedings: the role of fire for nongame wildlife management and community restoration: traditional uses and new directions. Gen. Tech. Rep. NE-288. Newtown Square, PA: U.S. Dept. of Agriculture, Forest Service, Northeastern Research Station: 145.
Year: 2002
Native Americans used fire to manipulate nature and directly benefit their survival. Certain plant species, many of which were useful to Native Americans as sources of food, fiber, dye, medicine, and game browse, are adapted to survive and even thrive in post-burn environments. Evidence suggests…
Author(s): Erin B. Hines, Jan Salick, Elaine Kennedy Sutherland, Todd F. Hutchinson, Steve Sutherland, Steve Sutherland
Keywords: native burning, prescribed fire, prescribed burning, oak, mixed-oak, oakhickory, barrens, ridgetop-pine, soil microbes, rare plants
Source: In: Yaussy, Daniel A., comp. 2000. Proceedings: workshop on fire, people, and the central hardwoods landscape; 2000 March 12-14; Richmond, KY. Gen. Tech. Rep. NE-274. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Station: 126.
Year: 2000
This exploratory study involved identifying the dimensions of a wilderness experience sought by users based on the available literature and on input from wilderness users. Input was collected using focus group interviews with members of four groups that were primarily involved in wilderness use and…
Author(s): Chad P. Dawson, Peter Newman, Alan Watson
Source: In: Vogelsong, Hans G., comp, ed. Proceedings of the 1997 Northeastern Recreation Research Symposium; 1997 April 6 - 9; Bolton Landing, NY. Gen. Tech. Rep. NE-241. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 257-260.
Year: 1998
This paper reports the results of a pilot study that explores the relationship between farm woodland owners` stated intentions for owning woodland, and their use of the land, with the structure and composition of the woodland. Two databases maintained by the USDA Forest Service, Forest Inventory…
Author(s): W. Keith Moser, Earl C. Leatherberry, Mark H. Hansen, Brett Butler
Keywords: Farm, forest inventory, landowner survey, United States, woodlands
Source: Moser W.K., Leatherberry E.C., Hansen M.H. and Butler B. 2005. Farmers and woods: a look at woodlands and woodland owner intentions in the heartland. In: Brooks K.N. and Ffolliott P.F. (eds) Moving Agroforestry into the Mainstream. Proc. 9th N. Am. Agroforest. Conf., Rochester, MN. 12-15 June 2005 [CD-ROM]. Dept. Forest Resources, Univ. Minnesota, St. Paul, MN, 14 p.
Year: 2005
Whether land management planning provides for sufficient habitat to sustain viable populations of indigenous wildlife is one of the greatest challenges confronting resource managers. Analyses of the effects of land management on natural resources often rely on qualitative assessments that focus…
Author(s): Winston P. Smith, Patrick A. Zollner
Keywords: Biological diversity, conservation assessments, effects analyses, habitat management, land-use planning, population viability, risk to extinction, sensitive species, sustainable use
Source: Biological Conservation 125 (2005) 287?295
Year: 2005
To improve our understanding of how management affects the composition and structure of northern hardwood forests, we compared managed with unmanaged sugar maple (Acer saccharum Marsh.) dominated forests. Unmanaged old-growth and unmanaged second-growth forests provided baselines for comparing the…
Author(s): Thomas R. Crow, David S. Buckley, Elizabeth A. Nauertz, John C. Zasada
Keywords: Plant diversity, stand structure, northern hardwoods, Acer saccharum, silviculture, Michigan, forest management, old-growth
Source: Forest Science 48(1):129?145.
Year: 2002
Our Nation's forests provide a wealth of ecological, social, and economic resources. These forest lands cover over 300 million hectares of the United States, or about one third of the total land area. Accurate and timely information about them is essential to their wise management and use. The…
Author(s): Mark Nelson, Gretchen Moisen, Mark Finco
Source: Photogrammetric Engineering & Remote Sensing. Vol. 73, No. 7, July 2007: 729-732.
Year: 2007
Spatially explicit models that combine remote sensing with geographic information systems (GIS) offer great promise to land managers because they consider the arrangement of landscape elements in time and space. Their visual and geographic nature facilitate the comparison of alternative landscape…
Author(s): Eric J. Gustafson, Thomas R. Crow
Keywords: Simulation modeling, timber harvest, historical context, spatial context, landscape pattern, forest interior, forest edge
Source: Environmental Management 22:777-787.
Year: 1998
A GIS model predicting the spatial distribution of terrestrial salamander abundance based on topography and forest age was developed using parameters derived from the literature. The model was tested by sampling salamander abundance across the full range of site conditions used in the model. A…
Author(s): Eric J. Gustafson, Nathan L. Murphy, Thomas R. Crow
Keywords: Spatial models, GIS, forest management, risk assessment, terrestrial salamanders, timber
Source: Journal of Environmental Management (2001) 63, 281?292
Year: 2001
Forests have been considered as a major carbon sink within the global carbon budget. However, a fragmented forest landscape varies significantly in its composition and age structure, and the amount of carbon sequestered at this level remains generally unknown to the scientific community. More…
Author(s): Eugenie S. Euskirchen, Jiquan Chen, Harbin Li, Eric J. Gustafson, Thomas R. Crow
Keywords: Net ecosystem productivity (NEP), carbon flux, Landscape, Disturbance, Management
Source: Ecological Modelling 154 (2002) 75?91
Year: 2002