Douglas fir (Pseudotsuga menziesii)

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	196	89	648	147	15	11	0	.	9	9	868	173
number of stems %	0.2	0.1	0.8	0.2	0.0	0.0	0.0	.	0.0	0.0	0.2	0.0
growing stock (stemwood) 1000 m³	318	149	953	276	42	41	0	.	27	27	1340	318
growing stock (stemwood) %	0.4	0.2	1.1	0.3	0.0	0.0	0.0	.	0.1	0.1	0.3	0.1
growing stock (stemwood)/number of stems m³/n	1.62	0.30	1.47	0.36	2.89	2.85	0.00	.	3.16	0.00	1.54	0.29

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	12	6	37	9	0	0	0	.	1	1	53	12
fellings and mortality 1000 m³/yr	5	3	21	11	0	.	0	.	0	.	28	12

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