Indication of how the stand was treated during the last intervention. Reference: Forest Service Survey (MID 610: Kalenderjahr alle Eingriffe seit Referenzdatum, MID 611: Art alle Eingriffe seit Referenzdatum)

Code	Text	NFI2	NFI3	NFI4	NFI4b	NFI5
-1	n/a	x	x	x	x	x
1	no treatment	x	x	x	x	x
2	tending	x	x	x	x	x
3	thinning	x	x	x	x	x
4	secondary felling	x	x	x	x	x
5	final felling	x	x	x	x	x
6	selection felling	x	x	x	x	x
7	thinning of mountain forest	x	x	x	x	x
8	coppice cut	x	x	x	x	x
9	conversion	x	x	x	x	x
10	transformation	x	x	x	x	x
11	sanitary felling	x	x	x	x	x
12	thinning of continuous cover forest		x	x	x	x
13	tending of forest edge		x	x	x	x
14	planting		x	x	x	x
15	agrosilvicultural treatments		x	x	x	x
16	single tree harvesting					x
17	tree removal to maintain infrastructre safety					x