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NFI4
total stem number by type of damage
slope (20% classes) · damage on tree (13 classes)
unit of reference: protection forest region
unit: n/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)damage on tree (13 classes) n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± %
to 20%no visible damage32123848355104822234511273173302
exposed wood core31528152728394249304922325
crack1272553640.455853120
stem breakage2144332700.8531073313
defoliation2302478959831991256225
canker315342537496872197313
bark necrosis0630.1990.0.0.054
resinosis14816186349541737869147
inclusion121256489397279661218
dead terminal21935584813611991947315
various damages3152407490.9561245313
lying live04301000.0.744497129
dead21635193024604038276337246
total..............
21-40 %no visible damage132335133126136630128433130830142430133011
exposed wood core43940296412995323155189553504328618
crack9260101461414292469192141481068
stem breakage3513521110211411615725128251232253
defoliation91915225721572325245351911199
canker151301511821121527012171161271455
bark necrosis014901000700.010001000199
resinosis34108955691791706717751431089528
inclusion81322214618175171576217181901585
dead terminal3114416118131941120111186641032560
various damages33101298725119261102799321012741
lying live71907167102021911124182141791279
dead23346303462445432457258543295826821
total..............
over 100%no visible damage2743421820285222761427115243112537
exposed wood core2513014121245261032674241301413710
crack0.1983980.397545337
stem breakage0.5506553731541946826
defoliation0.1980.0.0.654252
canker0.7638590.649175332
bark necrosis0.0.0.0.0.3991100
resinosis0.44294228393152384442717
inclusion0.268756554373261329
dead terminal2464468125149877126321525
various damages138716391852649145011261218
lying live0.48311572044597639825
dead97391141811221842094177219909
total..............
totalno visible damage3222339334933284326334233311
exposed wood core453605697606446945572
crack11821731622831941627
stem breakage41051151741861571255
defoliation1201212332272281022312
canker31041251322442041536
bark necrosis04001000650.0100090033
resinosis12623618104274061011203
inclusion21951851942122142239
dead terminal410414421422320181256
various damages4961061461271191165
lying live11921932462062341939
dead304665576816596826532
total..............
© WSL, Swiss National Forest Inventory, 10.07.2020 #893590/359808
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