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17 results found
Relationships between overstory composition and topographic conditions were studied in high-elevation (>1300 meters) forests in the Balsam Mountains of western North Carolina to determine whether models could be developed to predict the occurrence of number vegetative communities in relation to…
Author(s): Richard H. Odom, W. Henry McNab
Keywords: Carolina northern flying squirrel, discriminant analysis, Glaucomys sabrinus coloratus, northern hardwoods, potential habitat, spruce-fir
Source: Res. Note SE-8. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 12 p.
Year: 2000
The abundant timber resources of Maine are critical to the State's timber economy; thus, when the 1995 forest inventory indicated a 20% decline in softwood growing stock, there was great concern by industry and government. Furthermore, declining near-term softwood growing stock levels were forecast…
Author(s): William G. Luppold
Keywords: Forest sustainability, spruce-fir, hardwood substitution
Source: Northern Journal of Applied Forestry. 21(3): 135-143.
Year: 2004
Hardwood pulpwood consumption has increased in five leading Northeastern states from 1.2 million cords in 1963 to 4.6 million cords in 1997. A shift from the reliance on softwoods has occurred and by the mid-1970s hardwood use exceeded softwood. This increases the importance of the markets for…
Author(s): Lloyd C. Irland, Paul E. Sendak, Richard H. Widmann
Keywords: harvest, mills, price reporting, spruce-fir, timber output
Source: Gen. Tech. Rep. NE-286. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Station. 23 p.
Year: 2001
Studies of impacts of whole-tree clearcutting in spruce-fir, northern hardwood, and central hardwood forest types are summarized for use by practicing foresters, land managers, environmental protection agencies and organizations, and the general public. Guidelines are given for protecting soils,…
Author(s): Robert S. Pierce, James W. Hornbeck, Wayne C. Martin, Louise M. Tritton, Tattersall C. Smith, Anthony C. Federer, Harry W. Yawney
Keywords: biomass harvesting, site productivity, water quality, spruce-fir, northern hardwoods, central hardwoods, New England
Source: Gen. Tech. Rep. NE-172. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 23 p.
Year: 1993
A reference guide for scientists, students, and visitors to the Penobscot Experimental Forest. A research unit of the Northeastern Forest Experiment Station, the 4,000-acre site is located in southern Penobscot County near Bangor. Includes the history and a description of the physical features of…
Author(s): Lawrence O. Safford, Robert M. Frank, Elbert L., Jr. Little
Keywords: silviculture, spruce-fir, forest management, southern Maine
Source: Research Paper NE-128. Upper Darby, PA: USDA, Forest Service, Northeastern Forest Experiment Station. 32 p.
Year: 1969
We used three approaches to assess potential effects of climate change on birds of the Northeast. First, we created distribution and abundance models for common bird species using climate, elevation, and tree species variables and modeled how bird distributions might change as habitats shift.…
Author(s): N.L. Rodenhouse, S.N. Matthews, K.P. McFarland, J.D. Lambert, L.R. Iverson, A. Prasad, T.S. Stillett, R.T. Holmes
Keywords: Bicknell's thrush, Catharus bicknelli, bird species modeling, climate change, black-throated blue warbler, Dendroica caerulescens, habitat, high elevation, Northeast, northern hardwoods, spruce-fir, random forests
Source: Mitigation and Adaptation Strategies for Global Change. 13: 487-516.
Year: 2008
The abundant timber resources of Maine are critical to the State's timber economy; thus, when the 1995 forest inventory indicated a 20% decline in softwood growing stock, there was great concern by industry and government. Furthermore, declining near-term softwood growing stock levels were forecast…
Author(s): William G. Luppold, Paul E. Sendak
Keywords: Forest sustainability, spruce-fir, hardwood substitution
Source: Northern Journal of Applied Forestry. 21(3): 135-143.
Year: 2004
Recent studies have demonstrated that natural abundance 15N can be a useful tool for assessing nitrogen saturation, because as nitrification and nitrate loss increase, a15N of foliage and soil also increases. We measured foliar a15N at 11 high-elevation spruce-fir stands along an N deposition…
Author(s): Linda H. Pardo, Steven G. McNulty, Johnny L. Boggs, Sara Duke
Keywords: N saturation, stable isotopes, spruce-fir, northern hardwood forests
Source: Environmental Pollution. 149: 293-302.
Year: 2007
A pilot study in three northern Minnesota spruce-fir stands showed that as cutting intensity increased, defoliation by the spruce budworm decreased. Commercial clear cutting reduced defoliation most.
Author(s): Harold O. Batzer
Keywords: budworm, clear cutting, spruce-fir
Source: Research Note NC-36. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Year: 1967
Host conditions are known to influence spruce beetle population levels, but whether they influence the spatial and temporal patterns of beetle-caused mortality during an outbreak is unknown. Using dendrochronological techniques, we quantified the spatiotemporal dynamics of a modern (late 1980s…
Author(s): R. Justin DeRose, James N. Long
Keywords: Dendroctonus rufipennis, Picea engelmannii, silviculture, spatial covariance function, spruce-fir, time-series analysis
Source: Forest Science. 58(1): 1-14.
Year: 2012
https://www.fs.usda.gov/treesearch/search/query?f%5B0%5D=publication_keywords%3Aspruce-fir