Trends in Wildfire Severity: 1984 to 2010 in the Sierra Nevada, Modoc Plateau, and Southern Cascades, California, USA

Fire Ecology

Table 1 Confusion matrix of BpS mapped forest type to CALVEG vegetation type based upon Forest Inventory and Analysis (FIA) intensification plots.

CALVEG alliance^a	Mixed conifer	Yellow pine	Red fir	Other	Total
Pacific Douglas-fir	26	0	0	7	33
Douglas-fir-ponderosa pine	24	3	0	5	32
Eastside pine	22	62	2	25	111
Yellow pine-western juniper	7	8	0	9	24
Jeffrey pine	11	73	20	8	112
Lodgepole pine	3	4	22	13	42
Mixed conifer-giant sequoia	21	3	0	1	25
Incense cedar	8	0	0	5	13
Mixed conifer-fir	43	40	39	16	138
Mixed conifer-pine	144	35	4	22	205
Ponderosa pine	55	34	0	8	97
Ponderosa pine-white fir	12	1	0	1	14
Red fir	0	1	68	3	72
Subalpine conifers	5	0	39	11	55
White fir	42	12	18	15	87
Other	31	17	18	64	130
Total	454	293	230	213	1190