pedunculate oak (Quercus robur)

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	366	99	1403	189	207	52	121	90	98	35	2196	240
number of stems %	0.4	0.1	1.7	0.2	0.2	0.1	0.1	0.1	0.1	0.1	0.4	0.0
growing stock (stemwood) 1000 m³	493	132	2411	342	248	64	122	72	118	49	3392	383
growing stock (stemwood) %	0.7	0.2	2.8	0.4	0.3	0.1	0.1	0.1	0.3	0.1	0.8	0.1
growing stock (stemwood)/number of stems m³/n	1.34	0.26	1.72	0.21	1.20	0.27	1.01	0.24	1.20	0.22	1.54	0.14

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	7	3	55	10	3	3	2	2	1	1	72	12
fellings and mortality 1000 m³/yr	15	7	62	18	2	1	5	4	3	2	91	21

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