Fig. 4From: Classification of forest fuels in selected fire-prone ecosystems of Alberta, Canada—implications for crown fire behaviour prediction and fuel managementScatter plots of observations of surface fuel load (SFL), live canopy base height (CBH), and canopy bulk density (CBD) and corresponding FBP System fuel type denoted by reference colours: C-3 Mature Jack or Lodgepole pine, red; M-1/M-2 Boreal Mixedwood, blue; C-2 Boreal Spruce, black; D-1/D-2 Deciduous, green; and Mixed Conifer, orangeBack to article page