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Full-Text Articles in Forest Sciences

Alternate Population Limitation Strategies For Feral Horses, Michael L. Wolfe Apr 1981

Alternate Population Limitation Strategies For Feral Horses, Michael L. Wolfe

Aspen Bibliography

No abstract provided.


Definition And Distribution Of The Boreal Mixedwood Forest In Ontario, K.M. Mcclain Jan 1981

Definition And Distribution Of The Boreal Mixedwood Forest In Ontario, K.M. Mcclain

Aspen Bibliography

No abstract provided.


Aspen Resource Of Minnesota Usa, P.J. Jakes Jan 1981

Aspen Resource Of Minnesota Usa, P.J. Jakes

Aspen Bibliography

No abstract provided.


Stand Characteristics Of Rocky Mountain Aspen, Wayne D. Shepperd Jan 1981

Stand Characteristics Of Rocky Mountain Aspen, Wayne D. Shepperd

Aspen Bibliography

No abstract provided.


Aspen Regeneration, George A. Schier Jan 1981

Aspen Regeneration, George A. Schier

Aspen Bibliography

No abstract provided.


Estimating Plant Biomass For Undergrowth Species Of Northeastern Minnesota Forest Communities, L.F. Ohmann, D.F. Grigal, L.L. Rogers Jan 1981

Estimating Plant Biomass For Undergrowth Species Of Northeastern Minnesota Forest Communities, L.F. Ohmann, D.F. Grigal, L.L. Rogers

Aspen Bibliography

Knowledge of the plant biomass comprising a forest community is important to many aspects of multiple-use management. Direct measurement of biomass, however, is expensive and time-consuming to under-take each time biomass information would be useful. Fortunately, other measurements that can be made in the field less expensively or more easily can be used for estimating biomass.


The Response Of Aspen (Populus Tremuloides) To Artificial Defoliation, A.C. Hodson Jan 1981

The Response Of Aspen (Populus Tremuloides) To Artificial Defoliation, A.C. Hodson

Aspen Bibliography

No abstract provided.


Cryptosphaeria Canker And Libertella Decay Of Aspen, Thomas E. Hinds Jan 1981

Cryptosphaeria Canker And Libertella Decay Of Aspen, Thomas E. Hinds

Aspen Bibliography

A recently discovered, widely distributed canker disease of aspen and other poplars throughout the Rocky Mountain region is described. Inoculations with ascospore and conidial isolates of Cryptosphaeria populina show the fungus is capable of causing branch, sprout, and sapling mortality, trunk cankers, and the discoloration and decay of aspen stems previously associated with its imperfect stage, Libertella sp. The greatest average canker elongation 50 mo after September inoculations was 33.5 cm with sapwood decay and discoloration extending to 401 cm. The fungus caused an average weight loss of 13.5% in bark, 27.0% in sapwood, and 19.1% in heartwood blocks. Incidence …


Songbird Populations And Clearcut Harvesting Of Aspen In Northern Utah, Norbert V. Debyle Jan 1981

Songbird Populations And Clearcut Harvesting Of Aspen In Northern Utah, Norbert V. Debyle

Aspen Bibliography

No abstract provided.


Tree Biomass Estimates For Minnesota's Aspen-Birch Forest Survey Unit, Gerhard K. Raile, Pamela J. Jakes Jan 1981

Tree Biomass Estimates For Minnesota's Aspen-Birch Forest Survey Unit, Gerhard K. Raile, Pamela J. Jakes

Aspen Bibliography

No abstract provided.


Clone Expansion And Competition Between Quaking And Bigtooth Aspen Suckers After Clearcutting, Donald A. Perala Jan 1981

Clone Expansion And Competition Between Quaking And Bigtooth Aspen Suckers After Clearcutting, Donald A. Perala

Aspen Bibliography

The ability of quaking and bigtooth aspens (Populus tremuloids Michx., P. grandidentata Michx.) to vegetatively regenerate dense stands of root sprouts (suckers) is well documented (Brinkman and Roe 1975). Tens of thousands of suckers per hectare are commonly produced when stands are killed by fire or removed by clearcutting.


Ecological Succession In Aspen And Its Consequences On Multiple Use Values, Roy O. Harniss Jan 1981

Ecological Succession In Aspen And Its Consequences On Multiple Use Values, Roy O. Harniss

Aspen Bibliography

Aspen can be categorized as (1) seral-- successional to conifer, (2) stable--regenerates to aspen, or (3) decadent--successional to brush, forbs, or grasses. Succession to conifers reduces understory production, plant and wildlife diversity, water yields, and aesthetic values while it increases timber values. Stable aspen stands, except possibly for timber values, maintain these multiple use values if grazing is not excessive. In decadent aspen stands all of the multiple use values except water are reduced. Management expectations and returns for multiple use values would depend on the successional status of the aspen.


Aspen [Populus Tremuloides] Community Types On The Bridger-Teton National Forest In Western Wyoming [Including A Key With Indicator Species], Andrew P. Youngblood, Walter F. Mueggler Jan 1981

Aspen [Populus Tremuloides] Community Types On The Bridger-Teton National Forest In Western Wyoming [Including A Key With Indicator Species], Andrew P. Youngblood, Walter F. Mueggler

Aspen Bibliography

A classification system is presented for aspen (Populus tremuloides Michx.) dominated forests on the Bridger-Teton National Forest in western Wyoming. Twenty-six aspen community types are defined and described. A diagnostic key that utilizes indicator plant species is provided for field identification of the community types. Vegetation composition, environment, productivity, relationship to surrounding vegetation, and successional status are discussed. Tables are provided for detailed comparisons.


Utilization Of Aspen Populus-Tremuloides Trees As A Ruminant Feed Component, M. Singh, L.D. Kamstra Jan 1981

Utilization Of Aspen Populus-Tremuloides Trees As A Ruminant Feed Component, M. Singh, L.D. Kamstra

Aspen Bibliography

When traditional roughages are in short supply or high in price, other fibrous feed sources for ruminants should be considered if available at a competitive price. One such fibrous material shown to have potential as a ruminant feed is the aspen tree (Populus tremuloides Michx.) harvested in its entire form to include bark, leaves and trunk. The aspen tree is the most widespread tree species in North America and the least utilized. Estimates exceed 6 million acres of mature trees in an area which would include the Black Hills (58,000 acres), the Great Lakes region and the Rocky …


Opportunities For Wildlife Habitat Management In Aspen, Paul W. Shields Jan 1981

Opportunities For Wildlife Habitat Management In Aspen, Paul W. Shields

Aspen Bibliography

No abstract provided.


Biomass And Production Of An Aspen-Mixed Hardwood-Spodosol Ecosystem In Northern Wisconsin, John Pastor, J.G. Bockheim Jan 1981

Biomass And Production Of An Aspen-Mixed Hardwood-Spodosol Ecosystem In Northern Wisconsin, John Pastor, J.G. Bockheim

Aspen Bibliography

No abstract provided.


Ecology And Regeneration Of Aspen In Relation To Managment, R.K. Tew Jan 1981

Ecology And Regeneration Of Aspen In Relation To Managment, R.K. Tew

Aspen Bibliography

No abstract provided.


Minnesota's Aspen Resource, Pamela J. Jakes Jan 1981

Minnesota's Aspen Resource, Pamela J. Jakes

Aspen Bibliography

No abstract provided.


Physiological Research On Adventitious Shoot Development In Aspen, George A. Schier Jan 1981

Physiological Research On Adventitious Shoot Development In Aspen, George A. Schier

Aspen Bibliography

No abstract provided.


Aspen Management For Fuelwood, Walter W. Pierson Jan 1981

Aspen Management For Fuelwood, Walter W. Pierson

Aspen Bibliography

No abstract provided.


Symposium Proceedings - Situation Management Of Two Intermountain Species: Aspen And Coyotes, Part I Aspen Aspen, Norbert V. Debyle Jan 1981

Symposium Proceedings - Situation Management Of Two Intermountain Species: Aspen And Coyotes, Part I Aspen Aspen, Norbert V. Debyle

Aspen Bibliography

No abstract provided.


An Approach To Functionalizing Key Environmental Factors Forage Production In Rocky Mountain Aspen Populus-Tremuloides Stands, J.P. Roise, D.R. Betters, B.M. Kent Jan 1981

An Approach To Functionalizing Key Environmental Factors Forage Production In Rocky Mountain Aspen Populus-Tremuloides Stands, J.P. Roise, D.R. Betters, B.M. Kent

Aspen Bibliography

No abstract provided.


An Examination Of The Leaf Quaking Adaptation And Stomatal Distribution In Populus-Tremuloides, J.W. Rushin, J.E. Anderson Jan 1981

An Examination Of The Leaf Quaking Adaptation And Stomatal Distribution In Populus-Tremuloides, J.W. Rushin, J.E. Anderson

Aspen Bibliography

The leaves of quaking aspen (Populus tremuloides Michx.) have a flattened petiole that allows them to quake (oscillate and roll) under low wind velocities. It was hypothesized that this adaptation might enable the plant to respond to windy conditions that would increase transpirational losses. No effects of wind with or without leaf quaking on stomatal resistance were observed under controlled conditions in the field. If wind and leaf quaking affect stomatal resistance, such effects must be small in comparison to those caused by other factors such as leaf water potential and ambient humidity.

Aspen leaves are hypostomatal with stomata …


Climatic Modeling Of Winter Rangelands In Utah, E. Arlo Richardson, S.G. Leonard Jan 1981

Climatic Modeling Of Winter Rangelands In Utah, E. Arlo Richardson, S.G. Leonard

Aspen Bibliography

No abstract provided.


Present Utilization Of Species In The Boreal Mixedwood Forests In Ontario: Industrial Perspective, M.A. Opper Jan 1981

Present Utilization Of Species In The Boreal Mixedwood Forests In Ontario: Industrial Perspective, M.A. Opper

Aspen Bibliography

Yields per unit area are higher from boreal mixedwood stands than from black spruce stands. In addition, mixedwood stands are attractive for the logging industry because of high-value products, year-round logging, and economies in road access. Major unresolved problems in boreal mixedwood stands are lack of markets for hardwood species and increased hardwood components and balsam fir in succeeding stands.


Tree Biomass Estimates For Minnesota's Aspen-Birch Forest Survey Unit, G.K. Raile, P.J. Jakes Jan 1981

Tree Biomass Estimates For Minnesota's Aspen-Birch Forest Survey Unit, G.K. Raile, P.J. Jakes

Aspen Bibliography

No abstract provided.


Effects Of Storage Temperature And Moisture Stress On Seed Germination And Early Seedling Development Of Trembling Aspen Populus-Tremuloides, G.H. Fechner, K.E. Burr, J.F. Myers Jan 1981

Effects Of Storage Temperature And Moisture Stress On Seed Germination And Early Seedling Development Of Trembling Aspen Populus-Tremuloides, G.H. Fechner, K.E. Burr, J.F. Myers

Aspen Bibliography

No abstract provided.


Regeneration On Aspen Clearcuts In Northwestern Colorado, G.L. Crouch Jan 1981

Regeneration On Aspen Clearcuts In Northwestern Colorado, G.L. Crouch

Aspen Bibliography

No abstract provided.


Uneven-Aged Stand Structure And Growth Of Rocky Mountain Aspen, D.R. Betters, R.F. Wood Jan 1981

Uneven-Aged Stand Structure And Growth Of Rocky Mountain Aspen, D.R. Betters, R.F. Wood

Aspen Bibliography

No abstract provided.


Improving Aspen Poplar Populus-Tremuloides And Prickly Rose Rosa-Acicularis Covered Rangeland With Herbicides And Fertilizer, G. Bowes Jan 1981

Improving Aspen Poplar Populus-Tremuloides And Prickly Rose Rosa-Acicularis Covered Rangeland With Herbicides And Fertilizer, G. Bowes

Aspen Bibliography

No abstract provided.