Corroborating Evidence of a Pre-Euro-American Low- to Moderate-Severity Fire Regime in Yellow Pine-Mixed Conifer Forests of the Sierra Nevada, California, USA

Fire Ecology

Table 3 Fires that occurred from 1911 to 1922 in the northern and central Sierra Nevada sampled for mortality of merchantable timber (data from Show and Kotok 1924).

Fire name	National forest	Fire size (ha)	Fire scarred trees felled (board m ha⁻¹)^a	Direct damage from heat (board m ha⁻¹)^b
Bear River	Eldorado	202	181	29
Butler Meadow	Eldorado	453	375	173
Ferris Creek	Plumas	1876		2531
Ham Station	Eldorado	3839	358	414
Lassen-Walker	Lassen	89		2523
Pilot Creek	Eldorado	154	3134	188
Quincy Junction	Plumas	81		1582
Slate Mountain	Eldorado	142	153	38
White Horse	Modoc	8296	467	1198
Weighted average			455	1106

^a Includes trees that fell due to loss of structural integrity from the enlargement of fire scars created by repeated fires.
^b Includes trees that were killed due to direct heat (i.e., crown fire).