Ecological Processes

Table 1 Evolution of surface fuel immediately following fire (2014) and in the 5 years following in the 25.6-ha Yosemite Forest Dynamics Plot. The Rim Fire of 2013 directly consumed 12% of trees ≤ 10 cm DBH, but very few trees ≥ 10 cm DBH (0.5%). Most fire-killed trees and snags that persisted through the fire fell in subsequent years. For yearly progression of trees, snags, deadwood, recruitment, mortality, and snagfall, see Table S1

From: Large-diameter trees dominate snag and surface biomass following reintroduced fire

	Diameter class	Year
	Diameter class	2014	2015	2016	2017	2018	2019	Total	Per ha
Snags consumed by fire^†	1 cm ≤ DBH < 10 cm	664	-	-	-	-	-	664	25.9
Snags consumed by fire^†	≥ 10 cm DBH	1289	-	-	-	-	-	1289	50.3
Live trees consumed by fire^†	1 cm ≤ DBH < 10 cm	2863	-	-	-	-	-	2863	111.8
Live trees consumed by fire^†	≥ 10 cm DBH	73	-	-	-	-	-	73	2.8
Newly fallen trees and snags^‡	1 cm ≤ DBH < 10 cm	491	897	2043	3891	3468	3317	14,107	551.0
Newly fallen trees and snags^‡	≥ 10 cm DBH	354	303	563	1485	1087	1481	5273	206.0
206.0
New pieces of deadwood*	1 cm ≤ DBH < 10 cm	492	897	2043	3894	3472	3322	14,120	551.6
	≥ 10 cm DBH	428	351	625	2138	2218	2715	8475	331.0
	Persisted through fire	1352	-	-	-	-	-	1352	52.8
Deadwood volume (m³)	1 cm ≤ DBH < 10 cm	1.60	3.56	10.82	22.78	17.94	22.36	79.06	3.09
	≥ 10 cm DBH	376.48	50.46	59.61	287.68	559.54	503.85	1837.62	71.78
	Persisted through fire	2048.20	-	-	-	-	-	2048.20	80.01
	Total	2426.28	54.02	70.43	310.46	577.48	526.21	3964.88	154.88
Deadwood biomass (Mg)	1 cm ≤ DBH < 10 cm	0.44	0.96	2.63	5.82	4.72	6.03	20.60	0.80
	≥ 10 cm DBH	276.94	43.00	37.16	154.83	253.94	272.03	1037.90	40.54
	Persisted through fire	808.67	-	-	-	-	-	808.67	31.59
	Total	1086.05	43.96	39.79	160.65	258.66	278.06	1867.17	72.94

^†Less than 25% of original bole remaining in 2014
^‡Trees and snags that fell during or after fire with the remaining stump < 1.37 m tall
^*Explicitly mapped pieces of wood ≥ 10 cm diameter and ≥ 1 m long and non-mapped pieces of wood from trees 1 ≤ DBH ≤ 10 cm, with those smaller trees assumed to have fallen as one piece (see the “Methods” section)

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