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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
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 damage3243381835894511933710274153322
exposed wood core32530142727343844304321335
crack1271553640.456654120
stem breakage2143331700.7531158312
defoliation1292487957844761248223
canker315243535397772168313
bark necrosis0630.1990.0.0.054
resinosis147171863213511735857147
inclusion220244389398279463217
dead terminal21844974810632691448315
various damages31533213459978561243413
lying live0431700.697644398127
dead21635182823523737266130246
total..............
21-40 %no visible damage134834129126132629118431125928129729127211
exposed wood core43040278402825222154178533264226818
crack92601014314132724411186161221064
stem breakage3413518110191341713724119271092249
defoliation91916187721262336203291871094
canker151301311819117527711162141221354
bark necrosis014901000700.010001000199
resinosis3310895548774148651505142958927
inclusion81292213717167161557217171761580
dead terminal3014414117131781117510181531022258
various damages3210029832412023106259635872739
lying live71908171112022016823160161701476
dead22746283452215329054224522855624521
total..............
over 100%no visible damage2743420519267202741624713204112307
exposed wood core251301582720823882576181061312410
crack0.1982990.369445235
stem breakage0.4516484581238740722
defoliation0.1981980.0.549246
canker0.5635610.550175333
bark necrosis0.0.0.0.0.2991100
resinosis0.39283327332850305402415
inclusion0.168558455274161229
dead terminal2464369104639957220301224
various damages13871340125484712449241017
lying live0.48313432037498540822
dead9739981810219742076195619759
total..............
totalno visible damage3222332333633033314331033211
exposed wood core453595667566426855562
crack11821631522732041327
stem breakage41041141641661381155
defoliation120119232127225820211
canker31041251222731931436
bark necrosis04001000650.0100090033
resinosis1262361793773661010203
inclusion21761641842222342138
dead terminal410313419320319151156
various damages4961061561261191064
lying live11922032461762141738
dead294635536716526706502
total..............
© WSL, Swiss National Forest Inventory, 10.07.2020 #893592/359810
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