Fig. 1From: Longleaf pine proximity effects on air temperatures and hardwood top-kill from prescribed fireObserved (circles) and predicted (line) heating duration (time over 60 °C, temperature measured at 0.5 m height) with respect to longleaf pine basal area estimated with a prism centered on temperature sensor (P < 0.001, R2 = 0.161; time over 60 °C [s] = 87 + 4.89·basal area [m2 ha−1]), during four prescribed fires in southwest Georgia, USA, in May 2016Back to article page