common whitebeam (Sorbus aria)

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	1220	174	234	91	435	115	1200	188	676	119	3764	319
number of stems %	1.5	0.2	0.3	0.1	0.5	0.1	0.7	0.1	1.0	0.2	0.8	0.1
growing stock (stemwood) 1000 m³	308	51	27	12	66	17	199	35	83	16	682	67
growing stock (stemwood) %	0.4	0.1	0.0	0.0	0.1	0.0	0.2	0.0	0.2	0.0	0.2	0.0
growing stock (stemwood)/number of stems m³/n	0.25	0.03	0.12	0.02	0.15	0.01	0.17	0.01	0.12	0.01	0.18	0.01

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	11	4	0	0	2	1	6	2	2	1	23	5
fellings and mortality 1000 m³/yr	11	5	1	1	2	1	4	2	2	1	21	6

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