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. 2014 May 30;9(5):e96022. doi: 10.1371/journal.pone.0096022

Figure 1. Tree stem breakage after the 2008 ice storm along tree size.

Figure 1

Broken stems are scattered around 1 and stems not broken around 0. The red line represents a moving window (Loess) smoother for breakage incidences. The dark grey polygon represents the 95% confidence interval for the probability of breakage of individual stems based on the posterior distribution estimated using a power Ricker function (Equation 1). Inline graphic refers to the maximum breakage probability, x is the stem DBH, Inline graphic is the DBH at maximum breakage probability and α is a scaling parameter that increases the flatness of the curve at maximum breakage probability.