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- Effects (3)
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Articles 1 - 30 of 40
Full-Text Articles in Life Sciences
Uneven-Aged Forest Management: State Of The Art (Or Science?)
Uneven-Aged Forest Management: State Of The Art (Or Science?)
Forestry
Examines some important historical factors that have caused widespread preference of the even-aged management system over the uneven-aged. Major decisions facing forest managers interested in applying uneven-aged management are defined, and a review is made of techniques traditionally used, or recently proposed, for use in making these decisions. Finally, problem areas needing further research and development are identified.
Aspen-Birch Forest, Donald Rakstad, John R. Probst
Aspen-Birch Forest, Donald Rakstad, John R. Probst
Aspen Bibliography
No abstract provided.
Mature Aspen Forest, Donald Rakstad, John R. Probst
Mature Aspen Forest, Donald Rakstad, John R. Probst
Aspen Bibliography
No abstract provided.
Aspen Forest (50-Year), Connie J. Pearson, John R. Probst
Aspen Forest (50-Year), Connie J. Pearson, John R. Probst
Aspen Bibliography
No abstract provided.
Aspen Clearcut (2-Year), Connie J. Pearson, John R. Probst
Aspen Clearcut (2-Year), Connie J. Pearson, John R. Probst
Aspen Bibliography
No abstract provided.
Long-Term Changes In Cottonwoods On A Grazed And An Ungrazed Plains Bottomland In Northeastern Colorado, Glenn L. Crouch
Long-Term Changes In Cottonwoods On A Grazed And An Ungrazed Plains Bottomland In Northeastern Colorado, Glenn L. Crouch
Aspen Bibliography
No abstract provided.
Fire-Decay: Interactive Roles Regulating Wood Accumulation And Soil Development In The Northern Rocky Mountains, A. E. Harvey, M. J. Larsen, M. F. Jurgensen
Fire-Decay: Interactive Roles Regulating Wood Accumulation And Soil Development In The Northern Rocky Mountains, A. E. Harvey, M. J. Larsen, M. F. Jurgensen
Aspen Bibliography
Decay and fire play interactive roles in recycling wood and other organic materials in forest ecosystems, and contribute to the development of high quality soils in the Northern Rocky Mountains. Decayed wood, charcoal, and other decomposed organic matter are the principal media for ectomycorrhizal and nonsymbiotic nitrogen fixing microbes. The activities of these microbes are critical to the growth of forest trees. The balance between decay and fire, as it affects the amount, distribution, and type of organic matter, controls the ability of forest soils to support the growth of trees.
Aerial Stand Volume Table For Plains Cottonwood In Eastern Colorado, Carleton B. Edminster, James R. Getter
Aerial Stand Volume Table For Plains Cottonwood In Eastern Colorado, Carleton B. Edminster, James R. Getter
Aspen Bibliography
No abstract provided.
Estimating The Volume Of Hardwood Crowns, Stems, And The Total Tree, Douglas R. Phillips, Noel D. Cost
Estimating The Volume Of Hardwood Crowns, Stems, And The Total Tree, Douglas R. Phillips, Noel D. Cost
Aspen Bibliography
No abstract provided.
Equations Predicting Primary Productivity (Biomass) Of Trees, Shrubs And Lesser Vegetation Based On Current Literature, W. Stanek, D. State
Equations Predicting Primary Productivity (Biomass) Of Trees, Shrubs And Lesser Vegetation Based On Current Literature, W. Stanek, D. State
Aspen Bibliography
No abstract provided.
Winter Diets Of Elk And Deer In The Blue Mountains, Oregon, Jon Skovlin, Martin Vavra
Winter Diets Of Elk And Deer In The Blue Mountains, Oregon, Jon Skovlin, Martin Vavra
Aspen Bibliography
No abstract provided.
Elk-Aspen Relationships On A Prescribed Burn, Joseph V. Basile
Elk-Aspen Relationships On A Prescribed Burn, Joseph V. Basile
Aspen Bibliography
No abstract provided.
Quaking Aspen--Seed Germination And Early Seedling Growth, Walter T. Mcdonough
Quaking Aspen--Seed Germination And Early Seedling Growth, Walter T. Mcdonough
Aspen Bibliography
No abstract provided.
Metric Site Index Curves For Aspen, Birch And Conifers In The Lake States, P.R. Laidly
Metric Site Index Curves For Aspen, Birch And Conifers In The Lake States, P.R. Laidly
Aspen Bibliography
Site index is the measured or estimated height of dominant and codominant trees at age 50. It is widely used both as an indicator of potential site productivity and as the basis for silvicultural recommendations for Lake States timber species.
Wildlife Habitat Investigations And Management Implications On The Bridger-Teton National Forest, G.E. Gruell, M.S. Boyce, L.D. Hayden Wing
Wildlife Habitat Investigations And Management Implications On The Bridger-Teton National Forest, G.E. Gruell, M.S. Boyce, L.D. Hayden Wing
Aspen Bibliography
Grazing impact by elk and moose has been a point of concern in Jackson Hole for many years. Concern has been primarily directed towards sparsely vegetated south aspects, aspen stands, and willow bottoms. Numerous transects have quantified heavy foliage utilization. Trend studies have been mostly inconclusive. Study of historical narratives have quantified heavy forage utilization. Trend studies have been mostly inconclusive. Study of historical narratives, early photographs and consideration of plant physiology, soils data, and fire ecology have aided interpretations of vegetal trend and plant succession in recent years. Photographs show little change on sparsely vegetated sites. Soils information on …
Growth Response To Fertilizer In A Young Aspen-Birch Stand, M.M. Czapowskyj, L.O. Safford
Growth Response To Fertilizer In A Young Aspen-Birch Stand, M.M. Czapowskyj, L.O. Safford
Aspen Bibliography
No abstract provided.
Potential Effects Of Stable Versus Fluctuating Elk Populations In The Aspen Ecosystem, Norbert V. Debyle
Potential Effects Of Stable Versus Fluctuating Elk Populations In The Aspen Ecosystem, Norbert V. Debyle
Aspen Bibliography
No abstract provided.
Elk Pellet Group Distributions And Rates Of Deposition In Aspen And Lodgepole Pine Habitats, W.B. Collins, P.J. Urness
Elk Pellet Group Distributions And Rates Of Deposition In Aspen And Lodgepole Pine Habitats, W.B. Collins, P.J. Urness
Aspen Bibliography
No abstract provided.
Interacting Environmental Factors Associated With The Incidence Of Hypoxylon Canker On Trembling Aspen, R.I. Bruck
Interacting Environmental Factors Associated With The Incidence Of Hypoxylon Canker On Trembling Aspen, R.I. Bruck
Aspen Bibliography
No abstract provided.
Effects Of Burning On The Aspen Ecosystem, Dale L. Bartos
Effects Of Burning On The Aspen Ecosystem, Dale L. Bartos
Aspen Bibliography
Aspen (Populus tremuloides) occupies approximately 2.4 million hectares within the central Rocky Mountain region.
Influence Of Fire On Vegetation Production In The Aspen Ecosystem In Western Wyoming, Dale L. Bartos, Walter F. Mueggler
Influence Of Fire On Vegetation Production In The Aspen Ecosystem In Western Wyoming, Dale L. Bartos, Walter F. Mueggler
Aspen Bibliography
One hundred and sixty hectares of the upper Gros Ventre elk winter range were burned to improve forage production and to rejuvenate the decadent aspen.
Hypoxylon Canker Of Aspen, R.L. Anderson, G.W. Anderson, Arthur L. Schipper, Jr
Hypoxylon Canker Of Aspen, R.L. Anderson, G.W. Anderson, Arthur L. Schipper, Jr
Aspen Bibliography
No abstract provided.
Brush Control On Sandy Rangelands In Central Alberta, A.W. Bailey, H.G. Anderson
Brush Control On Sandy Rangelands In Central Alberta, A.W. Bailey, H.G. Anderson
Aspen Bibliography
No abstract provided.
Aspen Clearcut (8-Year), Donald Rakstad, John R. Probst
Aspen Clearcut (8-Year), Donald Rakstad, John R. Probst
Aspen Bibliography
This report includes a breeding-bird census, a list of dominant plant species, and brief physiographic data for a 8-year old aspen clearcut on the Chippewa National Forest, Michigan.
The Identification Of Tobacco Necrosis Virus In Deteriorating Clones Of Aspen, C.R. Hibben, J. Reese, R.F. Bozarth
The Identification Of Tobacco Necrosis Virus In Deteriorating Clones Of Aspen, C.R. Hibben, J. Reese, R.F. Bozarth
Aspen Bibliography
No abstract provided.
Seasonal Variation In Soil Nutrients Under Six Rocky Mountain Vegetation Types, T. Weaver, F. Forcella
Seasonal Variation In Soil Nutrients Under Six Rocky Mountain Vegetation Types, T. Weaver, F. Forcella
Aspen Bibliography
No abstract provided.
A Trap To Measure Populus And Salix Seed Fall, J.C. Zasada, R. Densmore
A Trap To Measure Populus And Salix Seed Fall, J.C. Zasada, R. Densmore
Aspen Bibliography
No abstract provided.
Tree Rings And Kaibab North Deer Hunting Success, 1925-1975, C.E. Young
Tree Rings And Kaibab North Deer Hunting Success, 1925-1975, C.E. Young
Aspen Bibliography
Knowledge of the biotic and abiotic factors producing long and short-term changes in numbers provides the basis for managing wildlife populations. Frequently, evaluation of these factors over a long time period is impossible. the large, well-documented past fluctuations of mule deer (Odocoileus hemionus) numbers on Arizona's North Kaibab plateau (Rasmussen, 1941; Russo, 1964; Caughley, 1970; Burk, 1973) make it potentially useful for examining long-term effects.
Sucker Regeneration In A Utah Aspen Clone After Clearcutting, Partial Cutting, Scarification And Girdling, George A. Schier, Arthur D. Smith
Sucker Regeneration In A Utah Aspen Clone After Clearcutting, Partial Cutting, Scarification And Girdling, George A. Schier, Arthur D. Smith
Aspen Bibliography
No abstract provided.
Creating Stable Shrub Communities For Managed Openings In The Aspen Forest, Donald A. Perala, R.W. Sorensen
Creating Stable Shrub Communities For Managed Openings In The Aspen Forest, Donald A. Perala, R.W. Sorensen
Aspen Bibliography
No abstract provided.