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329 results found
Commercial forest area, timber inventory, growth, and removals as of 1976.
Author(s): J. M. Earles
Keywords: Area, volume, forest type, stand-size, ownership, growth, removals, mortality
Source: Resour. Bull. SO-62. New Orleans, Louisiana: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station. 40 p.
Year: 1976
The perceived health of forest ecosystems over large temporal and spatial scales can be strongly influenced by the frames of reference chosen to evaluate both forest condition and the functional integrity of sustaining forest processes. North American forests are diverse in range, species…
Author(s): S. McLaughlin, K. Percy
Keywords: air quality, physiology, growth, biotic and abiotic interactions
Source: Water, Air, and Soil Pollution 116: 151-197, 1999.
Year: 1999
Sand pine is a very important species in Florida, producing significant quantities of fiber. The purpose of this study was to develop the site index and stand-level growth and yield equations managers need to make informed decisions. Data were collected from 35 seeded plots of Ocala sand pine…
Author(s): D.L. Rockwood, B. Yang, K.W. Outcalt
Keywords: Biomass, growth, site index, survival, yield
Source: Res. Pap. SRS-3. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. 18 p.
Year: 1997
This report presents a summary of the most recent inventory information for Arizona's forest lands. Much of the data are from the inventory completed in 1999 that included National Forest System lands and reserved lands. This report includes tables and highlights of area, number of trees, biomass,…
Author(s): Renee O'Brien
Keywords: forest land area, forest inventory, number of trees, biomass, volume, growth, mortality, forest type, double sampling
Source: Resour. Bull. RMRS-RB-2. Ogden, UT: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 116 p.
Year: 2002
Abstract. Seedlings from 20 families of black spruce (Picea mariana (Mill.) B.S.P.), representing a large range in field productivity, were subjected to a greenhouse retrospective test under ambient (409 ppm – year 1, 384 ppm – year 2) and high (686 ppm – year 1, 711 ppm – year 2) atmospheric CO2…
Author(s): Kurt H. Johnsen, John E. Major
Keywords: early selection, genotype x environment interaction, growth, retrospective, seedling
Source: New Forests 15: 271–281
Year: 1998
Systematic research on growth and yield of Douglas-fir began in 1909. This line of early research evolved over time and culminated in publication of USDA Bulletin 201, The Yield of Douglas-fir in the Pacific Northwest. B201 had an enormous influence on development of Douglas-fir forestry and was…
Author(s): R.O. Curtis, D.D. Marshall
Keywords: Pseudotsuga menziesii, growth, yield table, site index
Source: Western Journal of Applied Forestry. 19(1): 66-68
Year: 2004
This report presents a summary of the most recent inventory information for New Mexico's forest lands. Most of the data are from the inventory completed in 2000 that included National Forest System lands and reserved lands. This report includes descriptive highlights and tables of area, number of…
Author(s): Renee A. O'Brien
Keywords: Keywords, forest land area, forest inventory, number of trees, biomass, volume, growth, mortality, forest type, double sampling
Source: Resour. Bull. RMRS-RB-3. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 117 p.
Year: 2003
A 12-year-old ponderosa pine plantation on the Tahoe National Forest in northern California was mechanically treated with a Hydro-Ax in an attempt to increase the survival and growth of the planted seedlings. Other release methods were not feasible because the shrubs in the mixed-shrub community (…
Author(s): Gary O. Fiddler, Philip M. McDonald
Keywords: cost, growth, mechanical release, mechanical and chemical release, ponderosa pine, shrub sprouts
Source: Res. Paper PSW-RP-232. Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture. 12 p.
Year: 1997
Since 1987, area of timberland in Florida decreased by 2 percent to less than 14.7 million acres. Timberland under nonindustrial private forest ownership increased 2 percent to 7.2 million acres, and public ownership increased 16 percent to 2.8 million acres, but timberland controlled by forest…
Author(s): Mark J. Brown
Keywords: timberland, ownership, forest type, harvest, regeneration, growing stock, volume, growth, removals, mortality
Source: Resour. Bull. SRS–6. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. 56 p.
Year: 1996
We evaluated the impact of tree resistance on within-tree population dynamics of southern pine beetle, Dendroctonus frontalis Zimm. (Coleoptera: Scolytidae) in loblolly pine, Pinus taeda L., as affected by prevailing water regimes, acute water deficits imposed by applying dry-ice (solid CO2)…
Author(s): Peter L. Lorio, Frederick M. Stephen, Timothy D. Paine
Keywords: Dendroctonus frontalis, Pinus taeda, water potential, growth, differentiation
Source: Forest Ecology and Management
Year: 1995
https://www.fs.usda.gov/treesearch/search/query?f%5B0%5D=publication_keywords%3Agrowth