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- Populus tremuloides (2)
- Applications (1)
- Aspen strouting levels (1)
- Boreal forest (1)
- DOI 10.1007/s11056-009-9150-y (1)
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- Fire (1)
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- Sudden aspen decline (1)
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Articles 1 - 9 of 9
Full-Text Articles in Forest Sciences
Regional Assessment Of Aspen Change And Spatial Variability On Decadal Time Scales, Temuulen Tsagaan Sankey
Regional Assessment Of Aspen Change And Spatial Variability On Decadal Time Scales, Temuulen Tsagaan Sankey
Aspen Bibliography
Quaking aspen (Populus tremuloides) is commonly believed to be declining throughout western North America. Using a historical vegetation map and Landsat TM5 imagery, this study detects changes in regional aspen cover over two different time periods of 85 and 18 years and examines aspen change patterns with biophysical variables in the Targhee National Forest of eastern Idaho, USA. A subpixel classification approach was successfully used to classify aspen. The results indicate greater spatial variability in regional aspen change patterns than indicated by local-scale studies. The observed spatial variability appears to be an inherent pattern in regional aspen dynamics, …
Aspen In Scotland: Biodiversity And Management, John Parrott, Neil Mackenzie
Aspen In Scotland: Biodiversity And Management, John Parrott, Neil Mackenzie
Aspen Bibliography
No abstract provided.
Silviculture Certification Revalidation Case Studey : An Assessment Of Aspen Regeneration By Fire Intensity Following Prescribed Burning On Low Productivity Sites In Southwest Idaho And/Or A Simplistic Model Showing Aspen Sprouting Response By Varying Degrees Of Fire Intensity As Defined By Degree Of Aspen Crown-Kill Within The Lime Creek Aspen Restoration Project Area, Steven L. Williams
Aspen Bibliography
This Case Study is prepared for revalidation as a certified silviculturist in the Intermountain Region. When I first began working on this study, I anticipated that prescribed fire would produce variable degrees of aspen crown-kill and that differences in aspen sprouting would exist across the project area. What I observed was that although variable degrees of aspen crown-kill do exist, their distribution and relative amounts is more a function of prescribed fire ignition than of vegetation conditions. Very nearly full aspen crown-kill occurs with any fire that sustains itself enough to carry through the vegetation. Where prescribed fire is employed, …
Aspen Regeneration On Log Decking Areas As Influenced By Season And Duration Of Log Storage, Kevin N. Renkema, Victor J. Lieffers, Simon M. Landhausser
Aspen Regeneration On Log Decking Areas As Influenced By Season And Duration Of Log Storage, Kevin N. Renkema, Victor J. Lieffers, Simon M. Landhausser
Aspen Bibliography
This study assessed aspen regeneration on decking areas as affected by season of log deck building and duration of log storage; as well as root wounding, soil com- paction, and slash depth. On former decking areas that were built after a summer harvest, aspen regeneration was 50% lower and root death 35% greater compared to former decking areas of a fall harvest. Duration of log storage after a fall harvest had little effect on aspen regeneration; short (1.5–3 months) or long (11 months) storage resulted in similar regeneration. Slash load was greatly increased on decking areas while root wounding and …
2009 Report : A Multi-Refuge Program To Evaluate The Effect Of Ungulate Browsing On Habitat, Richard B. Keigley, Jeffrey Warren, Wayne J. King
2009 Report : A Multi-Refuge Program To Evaluate The Effect Of Ungulate Browsing On Habitat, Richard B. Keigley, Jeffrey Warren, Wayne J. King
Aspen Bibliography
No abstract provided.
An Aspen Success Story : 2009 Aspen Monitoring Report, James L. Robertson
An Aspen Success Story : 2009 Aspen Monitoring Report, James L. Robertson
Aspen Bibliography
No abstract provided.
Regeneration Of Aspen Following Partial And Strip Understory Protection Harvest In Boreal Mixedwood Forests, Alison D. Lennie, Simon M. Landsausser, Victor J. Lieffers, Derek Sidders
Regeneration Of Aspen Following Partial And Strip Understory Protection Harvest In Boreal Mixedwood Forests, Alison D. Lennie, Simon M. Landsausser, Victor J. Lieffers, Derek Sidders
Aspen Bibliography
Trembling aspen regeneration was studied in 2 types of partial harvest systems designed to harvest mature aspen but pro- tect immature spruce and encourage natural aspen regeneration. Two partial harvest systems, where the residual aspen was either left in strips or was dispersed uniformly, were compared to traditional clearcuts. After the first and second year since harvest, aspen sucker density and growth was similar between the 2 partial harvests, but was much lower than in the clearcuts. However, in the partial cuts the regeneration density was very much dependent on the location relative to residual trees. The density of regeneration …
Suckering Response Of Aspen To Traffic-Induced-Root Wounding And The Barrier-Effect Of Log Storage, Kevin N. Renkema, Simon M. Landhausser, Victor J. Lieffers
Suckering Response Of Aspen To Traffic-Induced-Root Wounding And The Barrier-Effect Of Log Storage, Kevin N. Renkema, Simon M. Landhausser, Victor J. Lieffers
Aspen Bibliography
In a growth chamber, we tested how the seasonal timing of placing a physical barrier (simulating a possible effect of log storage) and inflicting root damage impacted aspen (Populus tremuloides Michx.) root systems and their suckering capability. Roots from 4-year-old saplings were used, and one half of these root systems had the above-ground portion cut in the winter (dormant) while the other half was cut during the growing season in the summer. Damage was inflicted to the roots by driving a large farm tractor over them, and a covering treatment was applied using a polystyrene board to prevent suckers from …
Assessing Aspen Using Remote Sensing, Randy Hamilton, Kevin Megown, Jeff Dibenedetto, Dale Bartos, Anne Mikeck
Assessing Aspen Using Remote Sensing, Randy Hamilton, Kevin Megown, Jeff Dibenedetto, Dale Bartos, Anne Mikeck
Aspen Bibliography
Large areas of aspen (Populus tremuloides) have disappeared and continue to disappear from western forests due to successional decline and sudden aspen decline (SAD). This loss of aspen ecosystems negatively impacts watersheds, wildlife, plants, and recreation. Much can still be done to restore aspen if timely and appropriate action is taken. However, land managers often lack fundamental information on the location, quantity, and status of aspen stands. This information is needed to plan, implement, and defend aspen restoration activities, but it is often difficult and costly to obtain. Advances in remote sensing technologies can provide cost-effective ways to obtain spatial …