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Table 1 Mean (and standard error) stand structure metrics by treatment following the Fire and Fire Surrogate Study’s fuel treatments in 2002 (immediately after treatment) and in 2016 (following the 2005 to 2012 regional mountain pine beetle outbreak). Stand density index was calculated according to Reineke (1933), equivalent to 25.4 cm trees per hectare

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

Year Treatment Density
(stems ha−1)
Basal area
(m2 ha−1)
Stand density index
(metric)
Quadratic mean diameter
(cm)
2002 Control 322 (60) 23.1 (5.7) 420 (99) 31.1 (1.5)
2002 Burn-only 304 (53) 20.8 (2.7) 384 (51) 31.2 (1.0)
2002 Thin-only 111 (11) 9.7 (0.4) 170 (8) 33.4 (0.5)
2002 Thin+Burn 94 (12) 8.8 (1.2) 151 (22) 33.4 (0.9)
2016 Control 323 (60) 17.8 (5.1) 339 (91) 26.7 (1.9)
2016 Burn-only 291 (43) 17.5 (2.9) 328 (49) 28.0 (2.4)
2016 Thin-only 188 (27) 14.9 (0.4) 265 (11) 33.4 (2.1)
2016 Thin+Burn 99 (13) 10.9 (0.8) 181 (15) 33.0 (1.5)