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Full-Text Articles in Forest Sciences
Growing Space Management In Boreal Mixedwood Forests: 22 Year Results, Richard Kabzems, George Harper, Che Elkin
Growing Space Management In Boreal Mixedwood Forests: 22 Year Results, Richard Kabzems, George Harper, Che Elkin
Aspen Bibliography
Boreal mixed forests of trembling aspen (Populus tremuloides) and white spruce (Picea glauca) can provide higher outputs of many ecosystem goods and services, combined with resilience for changing environmental conditions. In this study, we examine the growth of white spruce and aspen over a range of stand compositions created by spot and broadcast treatments of broadleaves using manual and chemical means, aspen spacing, and untreated control. Twenty-two growing seasons postharvest, treatment responses created a range of broadleaf densities and spatial arrangements, reflected in significant differences in heights and diameters of the spruce mixedwood component. At this …
Gibsonville Healthy Forest Restoration Project: Silviculture Report, Dan Roskopf
Gibsonville Healthy Forest Restoration Project: Silviculture Report, Dan Roskopf
Aspen Bibliography
The Forest Service proposes to reduce the risk of wildfire, to protect, restore, and enhance forest ecosystem components (i.e., streams, meadows, aspen areas) in the vicinity of Gibsonville, California. A combination of hazard tree removal, forest health, and fuels reduction treatments are proposed on 1,200 acres of Forest Service system lands. These actions are proposed to be implemented on the Feather River Ranger District of the Plumas National Forest.
Effectiveness Of Delayed Brush Cutting And Herbicide Treatments For Vegetation Control In A Seven-Year-Old Jack Pine Plantation In Northwestern Ontario, Canada, Azim U. Mallik, F. Wayne Bell, Yanli Gong
Effectiveness Of Delayed Brush Cutting And Herbicide Treatments For Vegetation Control In A Seven-Year-Old Jack Pine Plantation In Northwestern Ontario, Canada, Azim U. Mallik, F. Wayne Bell, Yanli Gong
Aspen Bibliography
Efficacy of three conifer release treatments, i) single application of glyphosate (Vision™) herbicide, ii) multiple application of glyphosate herbicide, and iii) motor-manual brush cutting for controlling competing plants, particularly trembling aspen (Populus tremuloides), pin cherry (Prunus pensylvanica), green alder (Alnus viridis spp. crispa), and beaked hazel (Corylus cornuta spp. cornuta), was studied in a seven-year-old jack pine (Pinus banksiana) plantation in northwestern Ontario, Canada. The single and multiple glyphosate applications were equally effective in controlling trembling aspen and pin cherry, causing over 90% stem mortality. The brushsaw treatment caused an initial decrease followed by an increase in stem density of …
Site Index Conversion Equations For Mixed Trembling Aspen And White Spruce Stands In Northern British Columbia, Gordon Nigh
Site Index Conversion Equations For Mixed Trembling Aspen And White Spruce Stands In Northern British Columbia, Gordon Nigh
Aspen Bibliography
White spruce and trembling aspen are two important commercial species in British Columbia. They often grow in association, particularly in the Boreal White and Black Spruce and Sub-Boreal Spruce biogeoclimatic zones. Site index conversion equations are useful for estimating the site index of one species from the site index of another species. This study fills a need for site index conversion equations for mixed spruce/aspen stands. Seventy 0.01 ha study plots were established in mixed spruce/aspen stands. One site tree of each species was selected from each plot. The height and breast height ages of the site trees were measured …
Quaking Aspen Reproduce From Seed After Wildfire In The Mountains Of Southeastern Arizona, Ronald D. Quinn, Lin Wu
Quaking Aspen Reproduce From Seed After Wildfire In The Mountains Of Southeastern Arizona, Ronald D. Quinn, Lin Wu
Aspen Bibliography
Quaking aspen regenerated from seed after a stand replacement wildfire in the Chiricahua Mountains of southeastern Arizona. The wildfire had created gaps in the canopy so that aspen were able to establish from seed. Seedlings were found at a mean density of 0.17 m–2, 30 m or more from the nearest potential seed trees. Six clumps of aspen seedlings contained 18–186 trees, occupying areas of 145–500 square meters at densities of 0.09-0.27 m–2. White-tailed deer (Odocoileus virginianus) browsed 14.3% of the seedlings. Occasional sexual reproduction of aspen may be a general trait of the species throughout the western portion of …
Response Of Aspen Root Suckers To Regeneration Methods And Post-Harvest Protection, Wayne D. Shepperd
Response Of Aspen Root Suckers To Regeneration Methods And Post-Harvest Protection, Wayne D. Shepperd
Aspen Bibliography
No abstract provided.
Aspen Management For The 21st Century: Proceedings Of A Symposium, S. Navratil, P.B. Chapman
Aspen Management For The 21st Century: Proceedings Of A Symposium, S. Navratil, P.B. Chapman
Aspen Bibliography
No abstract provided.
Management Of Aspen In The Central Rocky Mountains: An Application Of Multiple Use Silviculture, Wayne D. Shepperd
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
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.
Silviculture And Management Of Aspen In Canada: The Western Canada Scene, S. Navratil, I.E. Bella, E.B. Peterson
Silviculture And Management Of Aspen In Canada: The Western Canada Scene, S. Navratil, I.E. Bella, E.B. Peterson
Aspen Bibliography
No abstract provided.
The Quest For Aspen Management In Eastern Canada, D.H. Weingartner, R. Doucet
The Quest For Aspen Management In Eastern Canada, D.H. Weingartner, R. Doucet
Aspen Bibliography
No abstract provided.
Fire Effects In Northeastern Forests: Aspen, C. Rouse
Fire Effects In Northeastern Forests: Aspen, C. Rouse
Aspen Bibliography
No abstract provided.
Stand Characteristics Of Rocky Mountain Aspen, Wayne D. Shepperd
Stand Characteristics Of Rocky Mountain Aspen, Wayne D. Shepperd
Aspen Bibliography
No abstract provided.
Thinning Strategies For Aspen [Populus Tremuloides In The Lake States]: A Prediction Model, Donald A. Perala
Thinning Strategies For Aspen [Populus Tremuloides In The Lake States]: A Prediction Model, Donald A. Perala
Aspen Bibliography
No abstract provided.
A Preliminary Analysis Of Short-Rotation Aspen Management, Alan R. Ek, J.D. Brodie
A Preliminary Analysis Of Short-Rotation Aspen Management, Alan R. Ek, J.D. Brodie
Aspen Bibliography
No abstract provided.
Quaking Aspen: Silvics And Management In The Lake States, K.A. Brinkman, E.I. Roe
Quaking Aspen: Silvics And Management In The Lake States, K.A. Brinkman, E.I. Roe
Aspen Bibliography
No abstract provided.
Silviculture Of Central And Southern Rocky Mountain Forests : A Summary Of The Status Of Our Knowledge By Timber Types, Robert R. Alexander
Silviculture Of Central And Southern Rocky Mountain Forests : A Summary Of The Status Of Our Knowledge By Timber Types, Robert R. Alexander
Aspen Bibliography
No abstract provided.
Size Of Aspen Crop Trees Little Affected By Initial Sucker Density, R.W. Sorensen
Size Of Aspen Crop Trees Little Affected By Initial Sucker Density, R.W. Sorensen
Aspen Bibliography
No abstract provided.
The Influence Of Growth Media, Temperatures, And Light Intensities On Aspen Root And Top Growth, G.F. Gifford
The Influence Of Growth Media, Temperatures, And Light Intensities On Aspen Root And Top Growth, G.F. Gifford
Aspen Bibliography
Root and top growth of aspen cuttings in three soils (sand, loam, and clay) were studied in a controlled environmental chamber.
A Test Of Harvest Cutting Methods In Alberta's Spruce-Aspen Forest, J.C. Lees
A Test Of Harvest Cutting Methods In Alberta's Spruce-Aspen Forest, J.C. Lees
Aspen Bibliography
No abstract provided.
Vegetative Propagation Of Aspen By Greenwood Cuttings, Robert Edward Farmer Jr.
Vegetative Propagation Of Aspen By Greenwood Cuttings, Robert Edward Farmer Jr.
Aspen Bibliography
No abstract provided.
Some Aspects Of The Aspen-Birch-Spruce-Fir Type In Ontario, D.W. Maclean
Some Aspects Of The Aspen-Birch-Spruce-Fir Type In Ontario, D.W. Maclean
Aspen Bibliography
The mixedwood types of the Boreal Forest in Ontario occupy sites that have a high potential for the production of spruce and fir. These types are commonly made up of various mixtures of trembling aspen, white birch, black spruce, white spruce, and balsam fir2. In the unmanaged forest, this mixture of species usually results from fire, and the coniferous component is largely spruce. In the managed forest, fir rather than spruce is likely to be the main coniferous species in the next crop where measures are not employed to alter this trend in succession. This is a matter …
Regenerating Aspen By Suckering In The Southwest, Merylyn M. Larson
Regenerating Aspen By Suckering In The Southwest, Merylyn M. Larson
Aspen Bibliography
Although seeding is necessary for the spread of aspen into new localities, suckering (sprouting from adventitious buds on the roots) is the chief means of reproduction in established stands. Suckering can usually be induced by reducing or eliminating the aspen overstory. 2