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Table 5 Summary of fuel load and crown fire potential differences by treatment at the Fire and Fire Surrogate Study. Fuel and crown fire potential attributes: FWD = fine woody debris load, CWD = coarse woody debris loading, LD = litter and duff loading, CF = canopy fuel loading, CBH = canopy base height, CBD = canopy bulk density, PT = probability of torching, CI = crowing index

From: Fuel dynamics after a bark beetle outbreak impacts experimental fuel treatments

Treatment 2002 to 2016 changea
FWD CWD LD CF CBH CBD PT CI
Control    
Burn-only   
Thin-only   
Thin+Burn       
  Beetle outbreak impact (vs. Control)b
FWD CWD LD CF CBH CBD PT CI
Control         
Burn-only         
Thin-only ←→ ←→   →←   →← ←→ →←
Thin+Burn ←→ ←→   →←   →← ←→  
  2016 Tukey-Kramer rankc
FWD CWD LD CF CBH CBD PT CI
Control B B   B A C B A
Burn-only AB B   AB B BC B A
Thin-only AB A   AB AB AB AB A
Thin+Burn A A   A C A A B
  1. aStatistically significant differences (α = 0.10) between 2002 and 2016 values. ↑ = values increased, ↓ = values decreased, blank = no change
  2. bStatistically significant effect (α = 0.10) of beetle outbreak on treatment effect over control. ← → = treatment and control differences inflated, → ← = treatment and Control differences diminished, blank = no effect
  3. cStatistically significant pairwise differences (α = 0.05) at 2016 measurement. Shared letters indicate no difference. A = lowest value, blank = no difference