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Table 3 Trees cored and individuals established by time periods and species, Crater Lake National Park, Oregon, USA. SE = one standard error.

From: Fire History and Forest Structure along an Elevational Gradient in the Southern Cascade Range, Oregon, USA

  All trees Mountain hemlock Red fir Lodgepole pine Other
Trees cored (n) 1025 328 280 281 136
Average DBH (cm) (SE) 33.6 (0.7) 33.3 (1.2) 40.2 (1.7) 26.9 (0.7) 33.5 (0.7)
Number cross-dated 787 242 209 231 105
Established pre-1800 (%) 18.7 36 24.4 2.2 3.8
Established 1880 to 1920 (%) 45.2 26.9 40.2 53.7 79