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Articles 1 - 30 of 43
Full-Text Articles in Life Sciences
Diseases In Aspen: Ecology And Management In The Western United States, Thomas E. Hinds
Diseases In Aspen: Ecology And Management In The Western United States, Thomas E. Hinds
Aspen Bibliography
Although many diseases attack aspen, relatively few kill or seriously injure living trees. The common leaf diseases, in general, are widely distributed throughout the range of aspen, whereas there are subtle differences in distribution between the important decay fungi, and apparently entirely different areas of distribution of major canker-causing organisms. However, there still are large gaps in knowledge of the disease organisms and their influence on natural and regenerated stands.
Taxonomy In Aspen: Ecology And Management In The Western United States, Kimball T. Harper, John D. Shane, John R. Jones
Taxonomy In Aspen: Ecology And Management In The Western United States, Kimball T. Harper, John D. Shane, John R. Jones
Aspen Bibliography
No abstract provided.
Wildlife In Aspen: Ecology And Management In The Western United States, Norbert V. Debyle
Wildlife In Aspen: Ecology And Management In The Western United States, Norbert V. Debyle
Aspen Bibliography
Aspen forests provide important habitat for many species of wildlife (Gullion 1977b), especially in the West (see the appendix to this chapter). In the coniferous forests of the interior West, aspen groves may be the only source of abundant forage; in the grasslands they may be the sole source of cover. A primary value of the aspen ecosystem in the West during the past century has been production of forage for both wildlife and domestic livestock (see the FORAGE chapter).
Aspen Community Types Of Nevada, W. F. Mueggler
Aspen Community Types Of Nevada, W. F. Mueggler
Aspen Bibliography
No abstract provided.
Vegetative Regeneration In Aspen: Ecology And Management In The Western United States, George A. Schier, John R. Jones, Robert P. Winokur
Vegetative Regeneration In Aspen: Ecology And Management In The Western United States, George A. Schier, John R. Jones, Robert P. Winokur
Aspen Bibliography
No abstract provided.
Effects Of Chemical Weed Control And Seedling Planting Depth On Survival And Growth Of Aspen, G.L. Reighard, G. Howe, J.W. Hanover
Effects Of Chemical Weed Control And Seedling Planting Depth On Survival And Growth Of Aspen, G.L. Reighard, G. Howe, J.W. Hanover
Aspen Bibliography
No abstract provided.
Using Glyphosate Herbicide In Converting Aspen To Conifers, Donald A. Perala
Using Glyphosate Herbicide In Converting Aspen To Conifers, Donald A. Perala
Aspen Bibliography
No abstract provided.
Sexual Reproduction, Seeds, And Seedlings In Aspen: Ecology And Management In The Western United States, W.T. Mcdonough
Sexual Reproduction, Seeds, And Seedlings In Aspen: Ecology And Management In The Western United States, W.T. Mcdonough
Aspen Bibliography
Natural genetic interchange and extensive colonization of aspen by seed strongly depends upon favorable climatic and microclimate conditions and upon human intervention.
Management Overview, J.R. Jones, R.P. Winokur, W.D. Shepperd
Management Overview, J.R. Jones, R.P. Winokur, W.D. Shepperd
Aspen Bibliography
No abstract provided.
Wood Resource In Aspen: Ecology And Management In The Western United States, J.R. Jones, N.V. Debyle, R.P. Winokur
Wood Resource In Aspen: Ecology And Management In The Western United States, J.R. Jones, N.V. Debyle, R.P. Winokur
Aspen Bibliography
Aspen has not been cut extensively in the West; in fact, it has been grossly underutilized. For example, as recently as 1975, the aspen harvest from National Forests in four Forest Service regions in the Rocky Mountain area was 7.64 million board feet.1 Additional minor volumes were cut on special-use permits for products such as fuel and corral poles. The total amount cut represented only 0.1% of the net volume available in these aspen forests.
Distribution In Aspen: Ecology And Management In The Western United States, J.R. Jones
Distribution In Aspen: Ecology And Management In The Western United States, J.R. Jones
Aspen Bibliography
No abstract provided.
Genetics And Variation In Aspen: Ecology And Management In The Western United States, J.R. Jones, N.V. Debyle
Genetics And Variation In Aspen: Ecology And Management In The Western United States, J.R. Jones, N.V. Debyle
Aspen Bibliography
The broad genotypic variability in quaking aspen (Populus tremuloides Michx.), that results in equally broad phenotypic variability among clones is important to the ecology and management of this species. This chapter considers principles of aspen genetics and variation. variation in aspen over its range, and local variation among clones. For a more detailed review of the genetics of qualung aspen, especially with wider geographic application and with emphasis on tree breeding, see Einspahr and Winton (1976).
Wood Utilization In Aspen: Ecology And Management In The Western United States, E.M. Wengert, D.M. Donelly, D.C. Markstrom, H.E. Worth
Wood Utilization In Aspen: Ecology And Management In The Western United States, E.M. Wengert, D.M. Donelly, D.C. Markstrom, H.E. Worth
Aspen Bibliography
In the past, markets for quaking aspen timber from the Rocky Mountains have been insufficient to support significant harvesting. This shortage of markets severely restrained the potential for aspen management. As a result, many stands protected from wildfire gradually reverted to conifers (see the VEGETATIVE REGENERATION and FIRE chapters).
Regeneration In Aspen: Ecology And Management In The Western United States, George A. Schier, Wayne D. Shepperd, John R. Jones
Regeneration In Aspen: Ecology And Management In The Western United States, George A. Schier, Wayne D. Shepperd, John R. Jones
Aspen Bibliography
No abstract provided.
Forage In Aspen: Ecology And Management In The Western United States, Walter F. Mueggler
Forage In Aspen: Ecology And Management In The Western United States, Walter F. Mueggler
Aspen Bibliography
No abstract provided.
Rotations In Aspen: Ecology And Management In The Western United States, J.R. Jones, W.D. Shepperd
Rotations In Aspen: Ecology And Management In The Western United States, J.R. Jones, W.D. Shepperd
Aspen Bibliography
The rotation, in forestry, is the planned number of years between formation of a crop or stand and its final harvest at a specified stage of maturity (Ford-Robertson 1971).
Examples Of Aspen Treatment, Succession, And Management In Western Colorado, Barry C. Johnston, Leonard Hendzel
Examples Of Aspen Treatment, Succession, And Management In Western Colorado, Barry C. Johnston, Leonard Hendzel
Aspen Bibliography
No abstract provided.
Management For Esthetics And Recreation, Forage, Water, And Wildlife, Norbert V. Debyle
Management For Esthetics And Recreation, Forage, Water, And Wildlife, Norbert V. Debyle
Aspen Bibliography
No abstract provided.
Acidification Sources In Red Alder And Douglas-Fir Soils -- Importance Of Nitrification, H. Van Miegroet, D. W. Cole
Acidification Sources In Red Alder And Douglas-Fir Soils -- Importance Of Nitrification, H. Van Miegroet, D. W. Cole
Watershed Sciences Faculty Publications
Precipitation, throughfall, forest floor, and soil leachate samples were monitored continuously in 1981 and 1982 in a N-poor Douglas-fir [Pseudotsuga menziesii (Mirb.) Franco] forest and a red alder (Alnus rubra Bong.) forest growing adjacently on a glacial soil in western Washington. The purpose of the study was to quantify the relative importance of atmospheric vs. natural sources of H+ input to forest soil acidification, and to determine the role of N transformation processes in the overall H+ balance of soils with different N status. Rainwater samples had an avg pH of 4.7 and annual H+ deposition via precipitation averaged 320 …
Coniferous Forest Habitat Types Of Central And Southern Utah, U.S. Forest Service
Coniferous Forest Habitat Types Of Central And Southern Utah, U.S. Forest Service
All U.S. Government Documents (Utah Regional Depository)
A habitat type classification for the coniferous forests of central and southern Utah includes the heirarchical taxonomic system of land classification that is based on potential natural vegetation of forest sites and uses data from more than 720 sample stands
Survey Of Aspen Stands Treated With Herbicides In The Western United States, R.O. Harniss, D.L. Bartos
Survey Of Aspen Stands Treated With Herbicides In The Western United States, R.O. Harniss, D.L. Bartos
Aspen Bibliography
No abstract provided.
Public Response To "Guidelines For Managing Aspen", Norbert V. Debyle
Public Response To "Guidelines For Managing Aspen", Norbert V. Debyle
Aspen Bibliography
No abstract provided.
Rmyld Update: New Growth And Yield Relationships For Aspen, C.B. Edminster, H.T. Mowrer
Rmyld Update: New Growth And Yield Relationships For Aspen, C.B. Edminster, H.T. Mowrer
Aspen Bibliography
No abstract provided.
Effects Of Water And Temperature In Aspen: Ecology And Management In The Western United States, J.R. Jones, Merrill R. Kaufmann, E.A. Richardson
Effects Of Water And Temperature In Aspen: Ecology And Management In The Western United States, J.R. Jones, Merrill R. Kaufmann, E.A. Richardson
Aspen Bibliography
No abstract provided.
Growth In Aspen: Ecology And Management In The Western United States, John R. Jones, George A. Schier
Growth In Aspen: Ecology And Management In The Western United States, John R. Jones, George A. Schier
Aspen Bibliography
No abstract provided.
Insects And Other Invertebrates In Aspen: Ecology And Management In The Western United States, J.R. Jones, N.V. Debyle, D.M. Bowers
Insects And Other Invertebrates In Aspen: Ecology And Management In The Western United States, J.R. Jones, N.V. Debyle, D.M. Bowers
Aspen Bibliography
No abstract provided.
Comparison Of Precipitation As Measured In Gages Protected By A Modified Alter Shield, Wyoming Shield, And Stand Of Trees, D.L. Sturges
Comparison Of Precipitation As Measured In Gages Protected By A Modified Alter Shield, Wyoming Shield, And Stand Of Trees, D.L. Sturges
Aspen Bibliography
No abstract provided.
Esthetics And Landscaping In Aspen: Ecology And Management In The Western United States, Craig W. Johnson, Thomas C. Brown, Michael L. Timmons
Esthetics And Landscaping In Aspen: Ecology And Management In The Western United States, Craig W. Johnson, Thomas C. Brown, Michael L. Timmons
Aspen Bibliography
Aspen is valued for its scenic beauty. One indication of this is the trips to the "high country" that many forest visitors make to view the autumn color changes (fig. 1). Another is the frequency with which aspen is planted in urban and suburban areas. Subjective generalizations about the esthetic uses of aspen, although reasonable, provide only rough guidance for management of scenic quality. They can not be used to compare the relative beauty of different scenes, or to determine how much scenic beauty changes as the physical characteristics of the scene change, either naturally or as the result of …
Volume Comparison Of Pine, Spruce, And Aspen Growing Side By Side, David H. Alban
Volume Comparison Of Pine, Spruce, And Aspen Growing Side By Side, David H. Alban
Aspen Bibliography
No abstract provided.
Vegetation Associations In Aspen: Ecology And Management In The Western United States, Walter F. Mueggler
Vegetation Associations In Aspen: Ecology And Management In The Western United States, Walter F. Mueggler
Aspen Bibliography
Aspen trees grow along moist stream bottoms as well as on dry ridges and southerly exposures, on talus slopes, and on shallow to deep soils of varied origins. Quaking aspen is one of the few plant species that can grow in all mountain vegetational zones from the alpine to the basal plain (Daubenmire 1943). As a consequence, aspen dominated communities are found intermixed with such divergent vegetation as semiarid shrublands and wet sprucefir forests