European silver-fir (Abies alba)

We are sorry, the portraits of the tree species are only available in German, French and Italian.

NFI sample plots with species occurrences between 1983 and *

* An occurrence is only shown with a dot on the map if the selected tree or shrub species were detected in at least two inventories.

key figures

NFI4
state 2009/17
	production region
	Jura		Plateau		Pre-Alps		Alps		Southern Alps		Switzerland
topic (target variable)	mean	±	mean	±	mean	±	mean	±	mean	±	mean	±
number of stems 1000 n	15683	818	11354	790	17294	888	6801	572	1662	323	52794	1585
number of stems %	19.1	1.0	13.4	0.9	18.1	0.9	4.1	0.3	2.4	0.5	10.6	0.3
growing stock (stemwood) 1000 m³	16423	961	15000	922	22511	1152	7905	671	1829	332	63668	1913
growing stock (stemwood) %	21.7	1.1	17.3	1.0	23.1	1.1	6.4	0.5	4.8	0.8	15.1	0.4
growing stock (stemwood)/number of stems m³/n	1.05	0.05	1.32	0.08	1.30	0.05	1.16	0.07	1.10	0.16	1.21	0.03

The mean ± absolute standard error of the estimate is given in each case.

evaluation area: accessible forest without shrub forest

grid: 1.4 x 1.4 km grid

NFI3–NFI4
change 2004/06–2009/17
	production region
	Jura		Plateau		Pre-Alps		Alps		Southern Alps		Switzerland
topic (target variable)	mean	±	mean	±	mean	±	mean	±	mean	±	mean	±
increment (gross increment) 1000 m³/yr	445	28	547	37	656	41	185	21	42	10	1934	68
fellings and mortality 1000 m³/yr	399	52	524	60	580	63	75	15	18	8	1657	107

The mean ± absolute standard error of the estimate is given in each case.

evaluation area: accessible forest without shrub forest NFI3/NFI4

grid: 1.4 x 1.4 km grid