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Articles 1 - 30 of 32

Full-Text Articles in Forest Sciences

Management Of Aspen In The Central Rocky Mountains: An Application Of Multiple Use Silviculture, Wayne D. Shepperd Jan 1990

Management Of Aspen In The Central Rocky Mountains: An Application Of Multiple Use Silviculture, Wayne D. Shepperd

Aspen Bibliography

No abstract provided.


An Aspen Forest Management Advisory System, H.M. Rauscher, D.A. Perala, G.E. Host Jan 1990

An Aspen Forest Management Advisory System, H.M. Rauscher, D.A. Perala, G.E. Host

Aspen Bibliography

An expert system program is described that advises the user on silvicultural treatments for aspen (Populus tremuloides Michx., P. grandidentata Michx.) stands of given age, site quality, and stocking.


Aspen Utilization In The Northern United States, D.I. Maass, L.C. Irland, S.D. Salisbury Jan 1990

Aspen Utilization In The Northern United States, D.I. Maass, L.C. Irland, S.D. Salisbury

Aspen Bibliography

Aspen is an important resource to the northern United States and in Quebec and Ontario. Roundwood use for pulp in the Lake States has remained stable at 2 million cords since 1981, while use for flakeboard has increased five-fold. Despite the near doubling of use in this decade, real stumpage prices for aspen have remained stable, and the mill delivered prices have declined. The pulp industry is less cost and supply sensitive than the flakeboard industries. Substitutions of other species will occur when aspen supply declines. Resource decisions in the future will be driven by both markets and politics.


Opportunities For Aspen For Furniture, H.W. Reynolds, P.K. Donahue Jan 1990

Opportunities For Aspen For Furniture, H.W. Reynolds, P.K. Donahue

Aspen Bibliography

No abstract provided.


Aspen Stand Development In Beltrami County, Minnesota, G.P. Hove, C.R. Blinn Jan 1990

Aspen Stand Development In Beltrami County, Minnesota, G.P. Hove, C.R. Blinn

Aspen Bibliography

No abstract provided.


An Introduction To Market Aspen Bleached Chemi-Thermomechanical Pulp, D.A. Cheyne Jan 1990

An Introduction To Market Aspen Bleached Chemi-Thermomechanical Pulp, D.A. Cheyne

Aspen Bibliography

No abstract provided.


Aspen Site Index As Related To Plant Indicators, D.K. Walters, J.P. Sloan, V. Kurmis Jan 1990

Aspen Site Index As Related To Plant Indicators, D.K. Walters, J.P. Sloan, V. Kurmis

Aspen Bibliography

Eighty-five fully stocked, even-aged, aspen stands representing a wide range of ages were examined. Using published site index equations, the site index of these stands was estimated. A second available indicator of the site quality was the soil productivity group used by the Soil Survey. Each of these site quality indicators was related to synecological coordinates (moisture, nutrient, heat, light) of 85 stands. In this case, synecological coordinates were identified through the use of indicator plant species (synecological coordinates).


Developing Tissue Culture Systems For Increasing The Disease Resistance Of Aspen, M. Ostry, B. Bucciarelli, S. Sain, W.P. Hackett, N.A. Anderson Jan 1990

Developing Tissue Culture Systems For Increasing The Disease Resistance Of Aspen, M. Ostry, B. Bucciarelli, S. Sain, W.P. Hackett, N.A. Anderson

Aspen Bibliography

No abstract provided.


Sorting Aspen Bolts And Drying Aspen Flitches For Sdr, R.S. Boone Jan 1990

Sorting Aspen Bolts And Drying Aspen Flitches For Sdr, R.S. Boone

Aspen Bibliography

Log sorting is necessary when processing aspen saw-dry-rip (SDR) to select optimum log diameter and to minimize number of logs with dark-colored centers. Wetwood, which is difficult to dry, is commonly associated with these dark centers. SDR processing involves drying 7/4- to 8/4-thick live-sawn flitches. Drying the flitch and then sawing studs produces straighter studs than sawing first and drying in stud form. High-temperature kiln drying (230 o F to 240 o F) has given good results with several species (such as, basswood and yellow-poplar). For species likely to contain wetwood (aspen, cottonwood, willow), high-temperature drying is not recommended. A …


A Survey Of The Harvesting Histories Of Some Poorly Regenerated Aspen Stands In Northern Minnesota, P.C. Bates, C.R. Blinn, A.A. Alm Jan 1990

A Survey Of The Harvesting Histories Of Some Poorly Regenerated Aspen Stands In Northern Minnesota, P.C. Bates, C.R. Blinn, A.A. Alm

Aspen Bibliography

No abstract provided.


Aspen Wood Products Utilization: Impact Of The Lake States Composites Industry, John A. Youngquist, Henry Spelter Jan 1990

Aspen Wood Products Utilization: Impact Of The Lake States Composites Industry, John A. Youngquist, Henry Spelter

Aspen Bibliography

The utilization of Lake States aspen for value-added products has increased dramatically in the last 15 to 18 years. This paper reviews aspen utilization for solid and composite wood products since 1970, discusses the forecasted future demand for wood-based composites, and reviews research that may influence future utilization of aspen in the Lake States.


Development Of An Aspen Sucker Stand Following Irrigation And Fertilization, G.W. Wyckoff, D.W. Einspahr, M.K. Benson Jan 1990

Development Of An Aspen Sucker Stand Following Irrigation And Fertilization, G.W. Wyckoff, D.W. Einspahr, M.K. Benson

Aspen Bibliography

A 16-18 year-old aspen stand was harvested in 1969. Aerial biomass components were determined and soils evaluated. Treatments of fertilizer, irrigation, fertilizer + irrigation and control were applied over a seven year period following harvest. Stand measurements were taken periodically over 18 years. Fertilization produced growth increases of 45-55 percent. Height, diameter, and stems per acre were affected by treatments. Guidelines for fertilizer application were developed from leaf tissue analysis.


Development And Application Of A State-Wide Empirical Growth And Yield Model For Natural Aspen Stands, D.K. Walters, A.R. Ak Jan 1990

Development And Application Of A State-Wide Empirical Growth And Yield Model For Natural Aspen Stands, D.K. Walters, A.R. Ak

Aspen Bibliography

No abstract provided.


Nutrient Cycling In Aspen Ecosystems, John Pastor Jan 1990

Nutrient Cycling In Aspen Ecosystems, John Pastor

Aspen Bibliography

No abstract provided.


Silviculture And Management Of Aspen In Canada: The Western Canada Scene, S. Navratil, I.E. Bella, E.B. Peterson Jan 1990

Silviculture And Management Of Aspen In Canada: The Western Canada Scene, S. Navratil, I.E. Bella, E.B. Peterson

Aspen Bibliography

No abstract provided.


Opportunities For Organosolv Pulping Of Aspen, J.H. Lora Jan 1990

Opportunities For Organosolv Pulping Of Aspen, J.H. Lora

Aspen Bibliography

No abstract provided.


Structural Lumber From Aspen: Using The Saw-Dry-Rip (Sdr) Process, Robert R. Maeglin Jan 1990

Structural Lumber From Aspen: Using The Saw-Dry-Rip (Sdr) Process, Robert R. Maeglin

Aspen Bibliography

No abstract provided.


Opportunities For Aspen And Balsam Poplar Utilization In Alberta, B.W. Karaim, E.M. Wengert, T. Szabo Jan 1990

Opportunities For Aspen And Balsam Poplar Utilization In Alberta, B.W. Karaim, E.M. Wengert, T. Szabo

Aspen Bibliography

No abstract provided.


Aspen Thinning As A Viable Cultural Tool, B.S. Jones, W.E. Berguson, J.J. Vogel Jan 1990

Aspen Thinning As A Viable Cultural Tool, B.S. Jones, W.E. Berguson, J.J. Vogel

Aspen Bibliography

No abstract provided.


Paper Birch As A Core Material For Aspen Oriented Strandboard And Waferboard, R.O. Gertjejansen, D.C. Ritter, B.A. Popowitz, Uong Chen Jan 1990

Paper Birch As A Core Material For Aspen Oriented Strandboard And Waferboard, R.O. Gertjejansen, D.C. Ritter, B.A. Popowitz, Uong Chen

Aspen Bibliography

No abstract provided.


Aspen Ecology And Management In The Western United States, Norbert V. Debyle Jan 1990

Aspen Ecology And Management In The Western United States, Norbert V. Debyle

Aspen Bibliography

No abstract provided.


Pine Hollow Exclosures: Effect Of Browsing On An Aspen Community Sprayed With 2,4-D, D.L. Bartos, R.O. Harniss Jan 1990

Pine Hollow Exclosures: Effect Of Browsing On An Aspen Community Sprayed With 2,4-D, D.L. Bartos, R.O. Harniss

Aspen Bibliography

No abstract provided.


Aspen Symposium '89: Proceedings. Duluth, Minnesota, July 25-27, 1989, R.D. Adams Jan 1990

Aspen Symposium '89: Proceedings. Duluth, Minnesota, July 25-27, 1989, R.D. Adams

Aspen Bibliography

No abstract provided.


Commercial-Scale Vegetative Propagation Of Aspens, R.B. Hall, J.P. Colletti, R.C. Schultz, R.R. Faltonson, S.H. Kolison, Jr., R.D. Hanna, T.D. Hillson, J.W. Morrison Jan 1990

Commercial-Scale Vegetative Propagation Of Aspens, R.B. Hall, J.P. Colletti, R.C. Schultz, R.R. Faltonson, S.H. Kolison, Jr., R.D. Hanna, T.D. Hillson, J.W. Morrison

Aspen Bibliography

The commercial potential for clonally propagated hybrid aspens (Populus alba x P. grandidentata) is substantial, but planting stock has not been readily available.


The Quest For Aspen Management In Eastern Canada, D.H. Weingartner, R. Doucet Jan 1990

The Quest For Aspen Management In Eastern Canada, D.H. Weingartner, R. Doucet

Aspen Bibliography

No abstract provided.


The Lake States' Aspen Resource Revisited: Mid-1960s-1987, J.S. Spencer Jr., E.C. Leatherberry, N.P. Kingsley Jan 1990

The Lake States' Aspen Resource Revisited: Mid-1960s-1987, J.S. Spencer Jr., E.C. Leatherberry, N.P. Kingsley

Aspen Bibliography

No abstract provided.


Hybrid Popular Productivity And Suitability For The Forest Tent Caterpillar: A Framework Of Evaluation, D.J. Robison, K.F. Raffa Jan 1990

Hybrid Popular Productivity And Suitability For The Forest Tent Caterpillar: A Framework Of Evaluation, D.J. Robison, K.F. Raffa

Aspen Bibliography

No abstract provided.


Behavioral And Thermoregulatory Responses Of Moose To High Ambient Temperatures And Insect Harassment In Aspen-Dominated Forests, Lyle A. Renecker, Robert J. Hudson Jan 1990

Behavioral And Thermoregulatory Responses Of Moose To High Ambient Temperatures And Insect Harassment In Aspen-Dominated Forests, Lyle A. Renecker, Robert J. Hudson

Aspen Bibliography

Heart rate and insect annoyance were studied in hand-reared adult moose (Alces alces) cows released into a 65-ha enclosure in April, May, July, and October. Radiant heat load exerted the greatest influence on heart rates of bedded moose in all months. Wind and insects had lesser, but significant effect during April and May, respectively. Respiratory rate was related to ambient temperature showing a dramatic increase about 14℃.


Disease Resistance In A Wild System:Hypoxylon Canker Of Aspen, Michael E. Ostry, N.A. Anderson Jan 1990

Disease Resistance In A Wild System:Hypoxylon Canker Of Aspen, Michael E. Ostry, N.A. Anderson

Aspen Bibliography

No abstract provided.


Management Of Aspen For Ruffed Grouse And Other Wildlife - An Update, Gordon W. Gullion Jan 1990

Management Of Aspen For Ruffed Grouse And Other Wildlife - An Update, Gordon W. Gullion

Aspen Bibliography

No abstract provided.