Dry pine forests, high-severity fire rotations (FR), trends, and differences between recent or projected high-severity fire rotation and the range of historical high-severity fire rotations.

Analysis regions are in Fig 1. All burn areas are corrected for missing small fires by dividing initial estimates by 0.95.1 Trends significant at α ▀). The p-values are from the Mann-Kendall trend test after the Benjamini-Hochberg correction for n = 88 trend tests.2 Differences between recent or projected high-severity fire rotations and the range of historical high-severity fire rotations are categorized as: (1) In range, if recent or projected high-severity fire rotation was within the range of available historical estimates, (2) too short, if recent or projected high-severity fire rotation was outside and shorter than the range of historical estimates, and (3) too long, if recent or projected high-severity fire rotation was outside and longer than the range of historical estimates. “Y” indicates there was a significant upward trend in area burned at high severity, and “N” indicates there was not.3 The ratio of future area burned to recent area burned from the low and high projections by Yue et al. [42]4 The total excludes 105,077 ha of dry pine forests not in the 23 analysis regions and not included in the analysis5 This is the mean across the regions for which there is a projectionDry pine forests, high-severity fire rotations (FR), trends, and differences between recent or projected high-severity fire rotation and the range of historical high-severity fire rotations.