Fire Ecology

Table 2 Annual mean seedling density (seedlings number ha⁻¹) and standard deviation (SD) for the main tree species in the different fire severity classes in 2018, 2019, and 2020 in the Susa fire (Susa Valley, Italy)

From: Short-term drivers of post-fire forest regeneration in the Western Alps

Seedling density
Year	Fire severity	Pinus sylvestris		Populus tremula		Salix caprea		Populus alba		Larix decidua		Abies alba		Other broadleaves
Year	Fire severity	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD
2018	Unburnt to low	4398	7523	0	0	1508	4707	0	0	0	0	42	183	335	765
	Medium	45,784	47,582	424	1079	17,613	21,458	1538	4536	1220	2914	159	616	0	0
	High	9127	21,770	1784	2981	3629	9526	277	647	157	508	48	275	60	212
2019	Unburnt to low	28,983	43,625	209	447	4272	9008	0	0	1927	7634	586	641	209	584
	Medium	81,859	62,975	1910	2653	22,706	25,157	690	1851	17,454	36,601	690	788	106	411
	High	7729	18,476	2833	3735	6101	11,186	494	891	301	749	277	783	48	191
2020	Unburnt to low	10,596	13,260	335	667	3937	8763	0	0	4063	10,429	544	653	209	520
	Medium	51,778	50,702	3395	4826	26,526	28,398	902	1616	19,788	36,783	424	591	0	0
	High	4063	9707	1833	2489	5474	8815	555	1108	434	840	229	736	109	520

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