scholarly journals Influence of clear-cutting on the risk of wind damage at forest edges: A GIS-based integrated models approach

2006 ◽  
Vol 2006 (16) ◽  
Author(s):  
Zeng Hongcheng
Keyword(s):  
Wind Damage ◽  
Forest Edges ◽  
Integrated Models ◽  
Clear Cutting ◽  
Risk Of Wind Damage

Influence of clear-cutting on the risk of wind damage at forest edges

2004 ◽  
Vol 203 (1-3) ◽  
pp. 77-88 ◽  
Author(s):  
Hongcheng Zeng ◽  
Heli Peltola ◽  
Ari Talkkari ◽  
Ari Venäläinen ◽  
Harri Strandman ◽  
...  
Keyword(s):  
Wind Damage ◽  
Forest Edges ◽  
Clear Cutting ◽  
Risk Of Wind Damage

Simulations of the influence of clear-cutting on the risk of wind damage on a regional scale over a 20-year period

2006 ◽  
Vol 36 (9) ◽  
pp. 2247-2258 ◽  
Author(s):  
Hongcheng Zeng ◽  
Heli Peltola ◽  
Ari Talkkari ◽  
Harri Strandman ◽  
Ari Venäläinen ◽  
...  
Keyword(s):  
Case Studies ◽  
Regional Scale ◽  
Wind Damage ◽  
Average Risk ◽  
Management Options ◽  
Alternative Management ◽  
Clear Cutting ◽  
Risk Of Wind Damage ◽  
Forest Managers

The aim of this study was to integrate component models for tree growth, wind damage, and airflow to assess the consequences of alternative forest-management options on the long-term risk of wind damage on a regional scale. This work could help forest managers to identify possible vulnerable edges and determine the probability of risk for alternative management plans. This new, integrated system was applied to assessing the risk of wind damage over a 20-year period on three alternative management choices. The risk was compared for the current forest edges without creating new edges (case study I) and situations where new edges were created through different clear-cut options (case studies II and III). Case study II represented more intensive cuttings compared with case study III (over four times more timber was cut). It was found that despite intensive cuttings in case study II, only 15% and 7% fewer vulnerable edges were found on average (risk probability class ≥0.1%) in case studies I and III, respectively. Therefore, forest managers must consider the possible risk of wind damage when harvesting timber.

Life-style services and yield from south-Swedish forests adaptively managed against the risk of wind damage: a simulation study

2014 ◽  
Vol 15 (8) ◽  
pp. 1489-1500 ◽  
Author(s):  
Mikael Andersson ◽  
Seppo Kellomäki ◽  
Barry Gardiner ◽  
Kristina Blennow
Keyword(s):  
Simulation Study ◽  
Life Style ◽  
Wind Damage ◽  
Risk Of Wind Damage

scholarly journals Does Variable-Density Thinning Increase Wind Damage in Conifer Stands on the Olympic Peninsula?

2007 ◽  
Vol 22 (4) ◽  
pp. 285-296 ◽  
Author(s):  
Scott D. Roberts ◽  
Constance A. Harrington ◽  
Karl R. Buermeyer
Keyword(s):  
Structural Diversity ◽  
Variable Density ◽  
Canopy Gaps ◽  
Wind Damage ◽  
Olympic Peninsula ◽  
Growing Seasons ◽  
Silvicultural Treatments ◽  
Stand Structural Diversity ◽  
Risk Of Wind Damage ◽  
Damage Risk

Abstract Silvicultural treatments designed to enhance stand structural diversity may result in increased wind damage. The ability to avoid conditions that might lead to excessive wind damage would benefit forest managers. We analyzed wind damage following implementation of a variable-density thinning at four sites on the Olympic National Forest in northwest Washington. The prescription created small canopy gaps and retained unthinned patches within a uniformly thinned matrix, thus creating substantial amounts of internal edge. Our objective was to determine whether variable-density thinning resulted in elevated wind damage and whether the damage was spatially related to elements of the treatment, i.e., canopy gaps and uncut patches. Wind damage on the thinned plots averaged slightly more than 8.0 trees/ha. Although precise determinations of residual stem densities were not available, we estimate that total wind damage amounted to 1.3% of total stems remaining following treatment. Approximately 80% of the wind damage was blowdown, the remaining damage being stem breakage, leaning, or bowing. Nearly 54% of the damaged stems were less than 20 cm dbh. The maximum amount of damage observed was 51 trees/ha, but only 3 of 13 thinned plots had wind damage exceeding 7 trees/ha. The overall level of wind damage across all thinned plots after two growing seasons was not statistically greater than on unthinned control plots. Internal edges created by gaps, skid trails, and unthinned patches did not inherently increase wind damage risk; however, where gaps were located in topographically vulnerable positions, greater wind damage did occur. Overall wind damage was not excessive on any of the plots, and after 2 years, all residual stands remained intact and in a manageable condition. Our preliminary results suggest that variable-density thinning that includes creation of small canopy gaps does not necessarily predispose stands to greater risk of wind damage than uniform thinning. However, care must be taken in locating gaps and skid trails away from topographically vulnerable positions.

Integrating the risk of wind damage into forest planning

2009 ◽  
Vol 258 (7) ◽  
pp. 1567-1577 ◽  
Author(s):  
T. Heinonen ◽  
T. Pukkala ◽  
V.-P. Ikonen ◽  
H. Peltola ◽  
A. Venäläinen ◽  
...  
Keyword(s):  
Wind Damage ◽  
Forest Planning ◽  
Risk Of Wind Damage

Wind damage over 21 years across different levels of tree removal in natural-origin mixed forests of northwestern British Columbia

2020 ◽  
Vol 50 (9) ◽  
pp. 946-952 ◽  
Author(s):  
K. David Coates ◽  
Erica B. Lilles ◽  
Amalesh Dhar ◽  
Erin C. Hall
Keyword(s):  
Tree Species ◽  
Basal Area ◽  
Structural Diversity ◽  
Wind Damage ◽  
Managed Forests ◽  
Partial Cutting ◽  
Forestry Practices ◽  
Management Objectives ◽  
Standing Trees ◽  
Risk Of Wind Damage

In many regions, forestry practices are shifting to partial harvesting approaches that seek to maintain species and structural diversity in managed forests. We monitored windthrow for 21 years following partial cutting treatments with 0%, 30%, and 60% removal in a large, replicated experiment located in mixed-species mature and old-growth forests of fire origin. There was no evidence that wind damage to merchantable trees (≥17.5 cm) varied among the three removal treatments. We found no evidence of a short-term spike in susceptibility to windthrow after partial cutting during the initial years following treatment. Over 21 years, a total basal area of 2.4 m2·ha–1 was damaged, which was 5.9% of the original standing basal area at the start of the experiment. We found clear differences in susceptibility to windthrow among the different tree species. The percentage of original standing trees that were windthrown varied from 0% to 23.7%. Eight of nine species had ≤10% damage over the monitoring period. Foresters should be aware of differences among tree species in risk of wind damage but should not use a general concern about susceptibility to windthrow as a reason to avoid partial cutting systems (that can achieve a diversity of management objectives) in structurally diverse, multispecies forests.

Management of the risk of wind damage in forestry: a graph-based Markov decision process approach

2009 ◽  
Vol 190 (1) ◽  
pp. 57-74 ◽  
Author(s):  
Nicklas Forsell ◽  
Peder Wikström ◽  
Frédérick Garcia ◽  
Régis Sabbadin ◽  
Kristina Blennow ◽  
...  
Keyword(s):  
Markov Decision Process ◽  
Decision Process ◽  
Process Approach ◽  
Wind Damage ◽  
Markov Decision ◽  
Risk Of Wind Damage

Integration of component models from the tree, stand and regional levels to assess the risk of wind damage at forest margins

2000 ◽  
Vol 135 (1-3) ◽  
pp. 303-313 ◽  
Author(s):  
Ari Talkkari ◽  
Heli Peltola ◽  
Seppo Kellomäki ◽  
Harri Strandman
Keyword(s):  
Wind Damage ◽  
Tree Stand ◽  
Risk Of Wind Damage ◽  
Component Models
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