Because of the weight of the ice, this type of storm can cause tremendous damage to an area, pulling down trees and power lines. 2004). 2000), and successful management of loblolly pine plantations at these locations is questionable because of exposure to severe ice storms (Schultz 1997). Relative basal area growth of individual trees decreased with increased LCRloss regardless of silvicultural treatment (P < 0.0001; Table 3). Average rBAgrowth over 4 years for the damaged trees in OT stands, TP stands, and NTNP stands were 0.68, 0.64, and 0.23, respectively. Tree taper of the stand types was similar (P = 0.97) among the TP (0.85), OT (0.84), and NTNP (0.80) treatments. However, stands exposed to an ice storm immediately after thinning experience more damage (Belanger et al. When the relationship for each silvicultural treatment was examined separately, the equations were rBAgrowth = −0.48*LCRloss + 0.328, r2 = 0.20 for the NTNP treatment; rBAgrowth = −0.48*LCRloss + 0.795, r2 = 0.05 for the OT treatment; and rBAgrowth = −0.30*LCRloss + 0.696, r2 = 0.03 for the TP treatment. Relative basal area growth of the undamaged trees within the split-plots with 75, 50, 25, and 0% damage were 0.61 (s.e. Growth of undamaged trees might accelerate as the proportion of damaged trees increases if competition for light decreases for the undamaged trees. i know it's silly but my question is important to me! ), and sand pine [P. clausa (Chapm. The other factor to consider is how cold it will be after the storm. = 0.10), 0.63 (s.e. Up to 1 inch of ice was reported near Yukon, Oklahoma, and a quarter-inch of ice downed numerous power lines and trees in Monmouth, Illinois. Byram T. This can result in a loss of electricity and heat for several days. However, the slopes of the relationship between rBAgrowth and LCRloss differed among the various split-plot treatments with a different percentage of trees damaged (P = 0.05; Figure 2). Typically, an ice storm occurs when the ground temperature is below freezing 32 F (0 C). Because pines retain foliage throughout the year, they have large surface area for ice accumulation, which can lead to considerable damage (Schultz 1997, Aubrey et al. Real vs. Ex Englem. Pruning of already thinned stands did not have a significant effect on the growth of damaged or undamaged trees. When a quarter-inch or more of ice builds up, severe impacts can result. When each stand type (OT, TP, and NTNP) was analyzed separately, the effect of the percentage of trees damaged on rBAgrowth was not significant (P > 0.13). Even small accumulations of ice can be extremely dangerous to motorists and pedestrians. This will quantify the effect that different degrees of ice damage have on growth and determine sizes and types of trees that are best able to recover from damage. 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It was immensely destructive, damaging numerous maple trees in Canada that are relied upon for the maple sugar industry. (1996) reported basal area growth decreased with increased loss of live crown due to stem breakage. = 0.10), 0.58 (s.e. Relationship between relative basal area growth and fraction of live crown ratio loss in thinned-pruned (TP), only thinned (OT), and nonthinned-nonpruned stands (NTNP). Compared to height growth, which can accelerate to compensate for damage, dbh growth rate is reduced in damaged trees (Belanger et al. Similarly, diameter growth of the damaged loblolly pine trees is reduced in the first few years after damage (Belanger et al. Dipesh, Rodney E. Will, Thomas C. Hennessey, Thomas B. Lynch, Robert A. Heinemann, Randal T. Holeman, Dennis E. Wilson, Effects of Simulated Ice Storm Damage on Midrotation Loblolly Pine Stands, Forest Science, Volume 61, Issue 4, August 2015, Pages 774–779, https://doi.org/10.5849/forsci.14-060. Each split-plot was randomly assigned to have 0, 25, 50, 75, or 100% of trees damaged. Please post this so i can have an answer! At time of treatment, height, dbh, and LCR were not statistically different among silvicultural treatments (P > 0.13) or percentage of trees damaged in split-plot treatments (P > 0.34). When all factors were included in our analysis, i.e., silvicultural treatment and percentage of trees damaged as well as LCRloss, the r2 was 0.64, indicating the importance of accounting for silviculture practices when trying to predict stem growth.

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