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Table 5 Mean, standard error, median, and range of crown scorch and DBH by species of trees used to develop post-fire (i.e., optimal) tree mortality prediction models. Species are listed in order of increasing bark thickness using bark thickness equations in FOFEM.

From: Predicting Post-Fire Tree Mortality for 12 Western US Conifers Using the First Order Fire Effects Model (FOFEM)

Species No. trees Crown scorch (%) DBH (cm)
TypeB Mean ± SE Median Range Mean ± SE Median Range
Lodgepole pine 2038 V 19 ± 0.7 0 0 to 100 20.5 ± 0.1 19.3 10.2 to 54.9
Whitebark pine 148 V 24 ± 2.9 2 0 to 100 22.9 ± 0.6 22.5 12.4 to 58.9
Engelmann spruce 223 V 30 ± 2.2 20 0 to 100 33.2 ± 1.1 30.2 12.7 to 85.1
Red fir 209 L 42 ± 1.8 46 0 to 89 42.1 ± 1.2 38.9 15.2 to 104.6
Subalpine fir 947 V 65 ± 1.3 85 0 to 100 19.4 ± 0.2 17.5 10.2 to 75.2
White fir 2304 L 67 ± 0.5 74 0 to 100 59.2 ± 0.4 56.9 15.2 to 152.7
Incense cedar 783 L 40 ± 1.1 38 0 to 98 51.6 ± 0.9 43.7 25.4 to 166.4
Western larch 389 V 15 ± 1.3 0 0 to 100 38.8 ± 0.7 39.4 10.2 to 98.8
Douglas-fir 1409 V 33 ± 0.9 20 0 to 100 33.2 ± 0.5 30.0 10.2 to 105.4
Yellow pineA 4115 V 62 ± 0.6 80 0 to 100 47.1 ± 0.4 40.1 9.7 to 178.1
Sugar pine 719 L 40 ± 1.1 41 0 to 98 73.3 ± 1.0 70.4 25.6 to 188.0
  1. A Includes ponderosa pines and Jeffrey pine.
  2. B L = crown length; V = crown volume.