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NFI3NFI4
change: basal area
lower/higher altitudinal zones · conifers and broadleaves
unit of reference: protection forest region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
lower/higher altitudinal zonesconifers and broadleaves m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
lowlandsconifers-1.2210.1376-0.3213-0.966-1.3840.1162-0.822
broadleaves0.1169-0.1403-0.61500.5640.7461.4440.283
total-1.0310.03767-1.0130-0.4168-0.61901.442-0.641
high altitude areasconifers0.41120.41281.1471.2362.1311.2311.121
broadleaves0.21230.4330.6490.2570.1340.6290.320
total0.6900.8741.7371.4332.2291.8221.418
totalconifers-0.9240.31210.5800.8491.5370.7300.1152
broadleaves0.11300.2760.13070.2430.2301.0310.335
total-0.8360.6830.7941.0391.7331.6220.450
© WSL, Swiss National Forest Inventory, 16.06.2020 #889597/355802
NFI3NFI4
change: basal area
lower/higher altitudinal zones · conifers and broadleaves
unit of reference: protection forest region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
lower/higher altitudinal zonesconifers and broadleaves m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
lowlandsconifers-1.2200.2273-0.3221-0.867-0.81150.1161-0.822
broadleaves0.2111-0.1363-0.71200.6520.7421.9310.354
total-1.0320.11344-1.1114-0.2261-0.17192.030-0.551
high altitude areasconifers0.22150.51121.2381.4292.2251.5191.218
broadleaves0.3850.3350.7410.2380.1890.7210.318
total0.51140.8721.9301.6262.3252.1151.515
totalconifers-0.9230.41040.7610.9371.7290.9200.262
broadleaves0.2850.2800.12900.3320.2441.2220.326
total-0.7390.6780.8751.2291.9272.1150.531
© WSL, Swiss National Forest Inventory, 16.06.2020 #889598/355803
NFI1NFI4
change: basal area
lower/higher altitudinal zones · conifers and broadleaves
unit of reference: economic region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1983/852009/17
lower/higher altitudinal zones
lowlandshigh altitude areastotal
economic regionconifers and broadleaves m²/ha± % m²/ha± % m²/ha± %
Western Juraconifers0.15813.0291.438
broadleaves1.9251.9181.916
total2.0414.9193.319
Eastern Juraconifers-0.2320..-0.2320
broadleaves1.6519.701.650
total1.3809.701.477
Western Plateauconifers-4.8283.1124-4.031
broadleaves3.6210.34063.321
total-1.11383.5141-0.7206
Central Plateauconifers-4.123-12.998-4.222
broadleaves1.6381.9901.637
total-2.541-11.1108-2.739
Eastern Plateauconifers-3.124-11.175-3.223
broadleaves2.2193.2642.219
total-0.987-7.9102-1.078
Western Pre-Alpsconifers-0.6575-0.7285-0.7249
broadleaves3.4341.9262.221
total2.81321.21661.5113
Central Pre-Alpsconifers0.2600-1.0111-0.5155
broadleaves1.8461.3231.525
total2.0740.43071.085
Eastern Pre-Alpsconifers0.4423-0.8194-0.3466
broadleaves3.3271.9242.518
total3.7571.11512.356
Northwestern Alpsconifers0.35872.3631.963
broadleaves7.3471.5272.628
total7.5523.8424.533
Central Alpsconifers4.3584.1564.142
broadleaves4.5262.3363.023
total8.8286.4377.125
Northeastern Alpsconifers-1.01860.5422-0.018035
broadleaves-0.82383.5192.138
total-1.81424.0532.179
Southwestern Alpsconifers0.082115.2154.116
broadleaves3.3221.2171.714
total3.3356.5135.812
Southeastern Alpsconifers0.62184.3203.720
broadleaves2.2300.5280.821
total2.8544.8184.517
Southern Alpsconifers0.8346.0123.511
broadleaves8.7103.4125.98
total9.599.489.56
Switzerlandconifers-1.3222.8130.732
broadleaves3.071.762.45
total1.7214.583.18
© WSL, Swiss National Forest Inventory, 16.06.2020 #889599/355804
NFI2NFI4
change: basal area
lower/higher altitudinal zones · conifers and broadleaves
unit of reference: economic region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1993/952009/17
lower/higher altitudinal zones
lowlandshigh altitude areastotal
economic regionconifers and broadleaves m²/ha± % m²/ha± % m²/ha± %
Western Juraconifers-0.41272.3290.855
broadleaves0.7641.1270.933
total0.32703.4221.632
Eastern Juraconifers-0.4150..-0.4150
broadleaves-0.32255.90-0.3244
total-0.81265.90-0.7131
Western Plateauconifers-5.7225.177-4.725
broadleaves2.330-0.116122.131
total-3.4404.9102-2.650
Central Plateauconifers-5.416-9.475-5.415
broadleaves0.41322.5570.4120
total-5.019-6.988-5.018
Eastern Plateauconifers-3.021-14.659-3.120
broadleaves1.0351.71531.035
total-1.938-12.869-2.135
Western Pre-Alpsconifers-2.3141-2.865-2.758
broadleaves1.3861.1291.130
total-0.9386-1.7111-1.5105
Central Pre-Alpsconifers-1.570-2.543-2.136
broadleaves0.61170.9290.841
total-0.9144-1.670-1.463
Eastern Pre-Alpsconifers-1.11330.4340-0.3397
broadleaves1.2680.8641.047
total0.212281.21270.7161
Northwestern Alpsconifers1.01131.6941.583
broadleaves1.01920.9350.948
total2.01192.5642.457
Central Alpsconifers4.7454.7344.727
broadleaves3.6342.0352.524
total8.3306.7277.220
Northeastern Alpsconifers-1.11272.5521.474
broadleaves-1.61222.2200.975
total-2.7874.7292.354
Southwestern Alpsconifers-0.51513.9163.018
broadleaves2.2250.8231.117
total1.6604.7144.014
Southeastern Alpsconifers-0.52584.0193.220
broadleaves1.4380.4290.523
total1.01374.3173.818
Southern Alpsconifers0.5394.2142.413
broadleaves5.2132.3133.710
total5.7126.5106.18
Switzerlandconifers-1.9132.1150.0706
broadleaves1.4131.181.29
total-0.5583.1111.218
© WSL, Swiss National Forest Inventory, 16.06.2020 #889600/355805
NFI3NFI4
change: basal area
lower/higher altitudinal zones · conifers and broadleaves
unit of reference: economic region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
lower/higher altitudinal zones
lowlandshigh altitude areastotal
economic regionconifers and broadleaves m²/ha± % m²/ha± % m²/ha± %
Western Juraconifers-0.7640.590-0.2208
broadleaves0.21940.21110.2119
total-0.51280.7760.0870
Eastern Juraconifers-0.2179..-0.2179
broadleaves-0.61192.40-0.6121
total-0.81102.40-0.8111
Western Plateauconifers-1.6480.9114-1.451
broadleaves0.956-0.91480.865
total-0.7139-0.06291-0.6141
Central Plateauconifers-2.131-3.190-2.231
broadleaves-0.22281.250-0.1254
total-2.335-1.9176-2.335
Eastern Plateauconifers-1.041-4.162-1.039
broadleaves0.21180.91180.2112
total-0.867-3.294-0.864
Western Pre-Alpsconifers1.2960.71640.8119
broadleaves-0.16420.5560.377
total1.01381.21061.190
Central Pre-Alpsconifers0.3256-0.6141-0.2229
broadleaves0.013130.4450.2105
total0.3304-0.2384-0.05025
Eastern Pre-Alpsconifers-1.0104-0.011697-0.4145
broadleaves0.23510.23220.2240
total-0.81800.2676-0.3317
Northwestern Alpsconifers-0.32781.5651.169
broadleaves-0.72090.3750.1281
total-1.01711.8601.373
Central Alpsconifers2.6463.4243.221
broadleaves2.0321.4391.627
total4.6294.9244.819
Northeastern Alpsconifers-0.61811.5560.879
broadleaves-5.1730.937-1.0120
total-5.7692.439-0.2699
Southwestern Alpsconifers-0.9661.2360.849
broadleaves0.5640.2570.243
total-0.41681.4331.039
Southeastern Alpsconifers-1.3842.1311.537
broadleaves0.7460.1340.230
total-0.61902.2291.733
Southern Alpsconifers0.11621.2310.730
broadleaves1.4440.6291.031
total1.4421.8221.622
Switzerlandconifers-0.8231.0220.1135
broadleaves0.2760.3200.333
total-0.6441.4180.447
© WSL, Swiss National Forest Inventory, 16.06.2020 #889601/355806
NFI1NFI4
change: basal area
lower/higher altitudinal zones · conifers and broadleaves
unit of reference: production region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1983/852009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
lower/higher altitudinal zonesconifers and broadleaves m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
lowlandsconifers-0.1744-3.7140.059150.51320.834-1.322
broadleaves1.8232.2142.5223.0218.7103.07
total1.738-1.5392.5463.5269.591.622
high altitude areasconifers3.029-2.9132-0.71184.0136.0122.913
broadleaves1.9171.2831.6151.2113.4121.77
total5.019-1.72460.9995.2119.484.68
totalconifers1.044-3.714-0.41443.3133.5110.732
broadleaves1.8162.2141.9131.6115.982.35
total2.819-1.5381.5454.9109.563.08
© WSL, Swiss National Forest Inventory, 16.06.2020 #889602/355807
NFI3NFI4
change: basal area
lower/higher altitudinal zones · conifers and broadleaves
unit of reference: economic region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
lower/higher altitudinal zones
lowlandshigh altitude areastotal
economic regionconifers and broadleaves m²/ha± % m²/ha± % m²/ha± %
Western Juraconifers-0.6670.3162-0.2170
broadleaves0.31350.3910.387
total-0.41710.61030.1630
Eastern Juraconifers-0.21750.663-0.2180
broadleaves-0.323810.548-0.2370
total-0.517311.149-0.4223
Western Plateauconifers-1.7450.9114-1.547
broadleaves1.050-0.91480.957
total-0.7137-0.06291-0.7139
Central Plateauconifers-2.231-3.190-2.230
broadleaves-0.22091.250-0.2231
total-2.335-1.9176-2.334
Eastern Plateauconifers-1.040-4.162-1.038
broadleaves0.21500.91180.2140
total-0.862-3.294-0.959
Western Pre-Alpsconifers1.196-0.031060.2679
broadleaves-0.113700.4540.372
total1.11290.43880.5242
Central Pre-Alpsconifers0.3249-0.3303-0.1938
broadleaves0.15540.3600.2112
total0.42490.041590.2403
Eastern Pre-Alpsconifers-0.81250.1657-0.3216
broadleaves0.23760.21940.2186
total-0.62210.4265-0.11178
Northwestern Alpsconifers-0.063291.9451.546
broadleaves-0.91560.3610.1281
total-0.91792.2421.650
Central Alpsconifers1.8673.1242.723
broadleaves0.91161.3381.141
total2.7714.4233.824
Northeastern Alpsconifers-0.61721.8411.155
broadleaves-5.0721.031-0.8135
total-5.6682.8300.3451
Southwestern Alpsconifers-0.8671.4290.937
broadleaves0.6520.2380.332
total-0.22611.6261.229
Southeastern Alpsconifers-0.81152.2251.729
broadleaves0.7420.1890.244
total-0.17192.3251.927
Southern Alpsconifers0.11611.5190.920
broadleaves1.9310.7211.222
total2.0302.1152.115
Switzerlandconifers-0.8231.2180.258
broadleaves0.3510.3180.325
total-0.4561.5150.630
© WSL, Swiss National Forest Inventory, 16.06.2020 #889603/355808
NFI2NFI4
change: basal area
lower/higher altitudinal zones · conifers and broadleaves
unit of reference: production region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1993/952009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
lower/higher altitudinal zonesconifers and broadleaves m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
lowlandsconifers-0.586-4.311-1.6530.13870.539-1.913
broadleaves0.31271.0260.9551.4335.2131.314
total-0.2322-3.217-0.71571.5485.712-0.653
high altitude areasconifers2.328-1.9184-1.6493.5134.2142.115
broadleaves1.1270.81590.9250.8132.3131.09
total3.521-1.0376-0.81104.3116.5103.211
totalconifers0.578-4.211-1.6362.8132.4130.0766
broadleaves0.6481.0250.9260.9143.7101.29
total1.044-3.217-0.7893.7116.181.219
© WSL, Swiss National Forest Inventory, 16.06.2020 #889604/355809
NFI3NFI4
change: basal area
lower/higher altitudinal zones · conifers and broadleaves
unit of reference: production region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
lower/higher altitudinal zonesconifers and broadleaves m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
lowlandsconifers-0.558-1.522-0.2236-0.5800.1162-0.822
broadleaves-0.13420.2940.1473-0.32181.4440.287
total-0.679-1.331-0.1520-0.8921.442-0.640
high altitude areasconifers0.588-0.9108-0.011211.7191.2311.021
broadleaves0.2104-0.16580.3670.3220.6290.322
total0.873-1.11380.22442.0171.8221.418
totalconifers-0.2150-1.521-0.13321.3220.7300.1160
broadleaves0.038850.2970.2930.2811.0310.236
total-0.2227-1.3310.14781.4221.6220.352
© WSL, Swiss National Forest Inventory, 16.06.2020 #889605/355810
NFI1NFI4
change: basal area
lower/higher altitudinal zones
unit of reference: canton
unit: m²/ha/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1983/852009/17
lower/higher altitudinal zones
lowlandshigh altitude areastotal
canton m²/ha/yr± % m²/ha/yr± % m²/ha/yr± %
AG-0.077..-0.077
AI0.4600.11280.264
AR0.12700.4610.282
BE-0.01180.0980.0783
BL/BS0.1770.300.172
FR-0.02130.11660.01767
GE0.1116..0.1116
GL-0.2960.3250.247
GR0.1300.2140.213
JU0.1490.2680.140
LU0.0136-0.09720.0195
NE0.016610.2270.136
NW-0.0714-0.1254-0.1263
OW0.04120.11340.1124
SG0.1980.02850.1101
SH0.240..0.240
SO0.01530.11840.0125
SZ0.2450.02680.166
TG0.01610.500.0149
TI0.3100.390.37
UR0.2590.2380.232
VD0.01200.2180.123
VS0.1350.2130.212
ZG0.361-0.3740.1166
ZH-0.1470.1319-0.148
Switzerland0.1220.280.18
© WSL, Swiss National Forest Inventory, 16.06.2020 #889606/355811
NFI2NFI4
change: basal area
lower/higher altitudinal zones
unit of reference: canton
unit: m²/ha/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1993/952009/17
lower/higher altitudinal zones
lowlandshigh altitude areastotal
canton m²/ha/yr± % m²/ha/yr± % m²/ha/yr± %
AG-0.152..-0.152
AI0.6330.3740.442
AR-0.31280.8190.2140
BE-0.229-0.0172-0.136
BL/BS-0.1780.30-0.182
FR-0.265-0.1156-0.158
GE-0.2117..-0.2117
GL-0.09030.2470.263
GR0.1580.2140.214
JU0.011700.12910.0466
LU-0.197-0.260-0.151
NE-0.054660.2280.139
NW-0.1282-0.1486-0.1249
OW-0.05470.1990.1121
SG-0.11010.2500.0212
SH0.256..0.256
SO-0.01900.255-0.0723
SZ0.341-0.04060.1107
TG-0.186-0.1.-0.185
TI0.3130.4110.39
UR0.4530.3330.328
VD-0.11000.2220.145
VS0.1600.2140.214
ZG0.377-0.566-0.06772
ZH-0.1450.2174-0.147
Switzerland-0.0640.2110.118
© WSL, Swiss National Forest Inventory, 16.06.2020 #889607/355812
NFI3NFI4
change: basal area
lower/higher altitudinal zones · conifers and broadleaves
unit of reference: production region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
lower/higher altitudinal zonesconifers and broadleaves m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
lowlandsconifers-0.560-1.621-0.2333-0.4980.1161-0.822
broadleaves0.15790.2950.1345-0.31821.9310.355
total-0.5112-1.330-0.01695-0.7982.030-0.550
high altitude areasconifers0.4152-0.9108-0.18251.9151.5191.218
broadleaves0.375-0.16580.3680.3220.7210.319
total0.791-1.11380.23092.2142.1151.515
totalconifers-0.2133-1.521-0.14011.4170.9200.262
broadleaves0.11660.2980.2880.2711.2220.327
total-0.1664-1.3300.14241.6182.1150.531
© WSL, Swiss National Forest Inventory, 16.06.2020 #889608/355813
NFI3NFI4
change: basal area
lower/higher altitudinal zones
unit of reference: canton
unit: m²/ha/yr
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
lower/higher altitudinal zones
lowlandshigh altitude areastotal
canton m²/ha/yr± % m²/ha/yr± % m²/ha/yr± %
AG-0.0232..-0.0232
AI0.393-0.2261-0.01188
AR-0.9801.024-0.2309
BE-0.2460.0545-0.184
BL/BS-0.12211.552-0.0486
FR0.04670.3660.282
GE-0.2107..-0.2107
GL-0.91180.2109-0.1289
GR0.03200.3220.223
JU-0.0384-0.3149-0.1178
LU-0.0334-0.353-0.273
NE-0.11960.2550.199
NW-0.15380.5250.265
OW-0.13370.3650.277
SG-0.2630.3370.0298
SH0.1232..0.1232
SO-0.11790.281-0.0297
SZ0.3790.11930.184
TG-0.296-1.4.-0.293
TI0.3330.3140.317
UR0.3600.4230.423
VD-0.1960.2380.0144
VS-0.02610.2260.229
ZG0.495-0.967-0.0689
ZH-0.1730.1443-0.174
Switzerland-0.1540.2150.130
© WSL, Swiss National Forest Inventory, 16.06.2020 #889609/355814
NFI3NFI4
change: basal area
lower/higher altitudinal zones
unit of reference: canton
unit: m²/ha/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
lower/higher altitudinal zones
lowlandshigh altitude areastotal
canton m²/ha/yr± % m²/ha/yr± % m²/ha/yr± %
AG-0.1137..-0.1137
AI0.393-0.2281-0.01689
AR-0.9801.024-0.2309
BE-0.2460.0312-0.180
BL/BS-0.11770.3.-0.1186
FR0.07540.3770.1100
GE-0.397..-0.397
GL-0.91180.1146-0.2221
GR-0.04250.3260.229
JU-0.02900.0894-0.0349
LU-0.0334-0.368-0.191
NE-0.11960.2600.1124
NW-0.13960.4310.285
OW-0.13370.2900.1111
SG-0.2670.3470.03756
SH0.1232..0.1232
SO-0.11550.277-0.0246
SZ0.4470.05210.178
TG-0.298-1.4.-0.295
TI0.2450.2220.225
UR0.5370.5220.519
VD-0.1940.2480.0245
VS-0.11680.2330.139
ZG0.3138-0.967-0.1246
ZH-0.1840.1443-0.186
Switzerland-0.1430.2170.048
© WSL, Swiss National Forest Inventory, 16.06.2020 #889610/355815
NFI1NFI4
change: basal area
lower/higher altitudinal zones
unit of reference: protection forest region
unit: m²/ha/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1983/852009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
lower/higher altitudinal zones m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± %
lowlands-0.01240.1470.1450.1350.1540.390.123
high altitude areas0.1220.1480.1370.2130.2180.380.28
total0.0950.1340.1280.2120.1170.360.19
© WSL, Swiss National Forest Inventory, 16.06.2020 #889611/355816
NFI2NFI4
change: basal area
lower/higher altitudinal zones
unit of reference: protection forest region
unit: m²/ha/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1993/952009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
lower/higher altitudinal zones m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± %
lowlands-0.120-0.01840.01660.1600.11370.312-0.054
high altitude areas0.225-0.03630.2290.2140.2170.3100.211
total-0.130-0.01950.1340.2140.2180.380.119
© WSL, Swiss National Forest Inventory, 16.06.2020 #889612/355817
NFI3NFI4
change: basal area
lower/higher altitudinal zones
unit of reference: protection forest region
unit: m²/ha/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
lower/higher altitudinal zones m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± %
lowlands-0.1310.03767-0.1130-0.1168-0.11900.242-0.141
high altitude areas0.1900.1740.2370.2330.3290.2220.218
total-0.1360.1830.1940.1390.2330.2220.050
© WSL, Swiss National Forest Inventory, 16.06.2020 #889613/355818
NFI3NFI4
change: basal area
lower/higher altitudinal zones
unit of reference: protection forest region
unit: m²/ha/yr
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
lower/higher altitudinal zones m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± %
lowlands-0.1320.01344-0.1114-0.0261-0.07190.330-0.151
high altitude areas0.11140.1720.2300.2260.3250.3150.215
total-0.1390.1780.1750.2290.2270.3150.131
© WSL, Swiss National Forest Inventory, 16.06.2020 #889614/355819
NFI1NFI4
change: basal area
lower/higher altitudinal zones
unit of reference: economic region
unit: m²/ha/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1983/852009/17
lower/higher altitudinal zones
lowlandshigh altitude areastotal
economic region m²/ha/yr± % m²/ha/yr± % m²/ha/yr± %
Western Jura0.1410.2190.119
Eastern Jura0.0800.300.077
Western Plateau-0.01380.1141-0.0206
Central Plateau-0.141-0.4108-0.139
Eastern Plateau-0.087-0.3102-0.078
Western Pre-Alps0.11320.01660.1113
Central Pre-Alps0.1740.03070.085
Eastern Pre-Alps0.1570.01510.156
Northwestern Alps0.3520.1420.233
Central Alps0.3280.2370.225
Northeastern Alps-0.11420.1530.179
Southwestern Alps0.1350.2130.212
Southeastern Alps0.1540.2180.117
Southern Alps0.390.380.36
Switzerland0.1210.280.18
© WSL, Swiss National Forest Inventory, 16.06.2020 #889615/355820
NFI2NFI4
change: basal area
lower/higher altitudinal zones
unit of reference: economic region
unit: m²/ha/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1993/952009/17
lower/higher altitudinal zones
lowlandshigh altitude areastotal
economic region m²/ha/yr± % m²/ha/yr± % m²/ha/yr± %
Western Jura0.02700.2220.132
Eastern Jura-0.01260.30-0.0131
Western Plateau-0.2400.3102-0.150
Central Plateau-0.319-0.488-0.318
Eastern Plateau-0.138-0.769-0.135
Western Pre-Alps-0.0386-0.1111-0.1105
Central Pre-Alps-0.0144-0.170-0.163
Eastern Pre-Alps0.012280.11270.0161
Northwestern Alps0.11190.1640.157
Central Alps0.4300.3270.420
Northeastern Alps-0.1870.3290.154
Southwestern Alps0.1600.2140.214
Southeastern Alps0.11370.2170.218
Southern Alps0.3120.3100.38
Switzerland-0.0580.2110.118
© WSL, Swiss National Forest Inventory, 16.06.2020 #889616/355821
NFI3NFI4
change: basal area
lower/higher altitudinal zones
unit of reference: economic region
unit: m²/ha/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
lower/higher altitudinal zones
lowlandshigh altitude areastotal
economic region m²/ha/yr± % m²/ha/yr± % m²/ha/yr± %
Western Jura-0.11280.1760.0870
Eastern Jura-0.11100.30-0.1111
Western Plateau-0.1139-0.06291-0.1141
Central Plateau-0.335-0.2176-0.335
Eastern Plateau-0.167-0.494-0.164
Western Pre-Alps0.11380.21060.290
Central Pre-Alps0.0304-0.0384-0.05025
Eastern Pre-Alps-0.11800.0676-0.0317
Northwestern Alps-0.11710.3600.273
Central Alps0.5290.6240.619
Northeastern Alps-0.7690.339-0.0699
Southwestern Alps-0.11680.2330.139
Southeastern Alps-0.11900.3290.233
Southern Alps0.2420.2220.222
Switzerland-0.1440.2180.047
© WSL, Swiss National Forest Inventory, 16.06.2020 #889617/355822
NFI3NFI4
change: basal area
lower/higher altitudinal zones
unit of reference: economic region
unit: m²/ha/yr
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
lower/higher altitudinal zones
lowlandshigh altitude areastotal
economic region m²/ha/yr± % m²/ha/yr± % m²/ha/yr± %
Western Jura-0.01710.11030.0630
Eastern Jura-0.11731.649-0.0223
Western Plateau-0.1137-0.06291-0.1139
Central Plateau-0.335-0.2176-0.334
Eastern Plateau-0.162-0.494-0.159
Western Pre-Alps0.21290.13880.1242
Central Pre-Alps0.02490.041590.0403
Eastern Pre-Alps-0.12210.0265-0.01178
Northwestern Alps-0.11790.3420.250
Central Alps0.3710.5230.524
Northeastern Alps-0.7680.3300.0451
Southwestern Alps-0.02610.2260.229
Southeastern Alps-0.07190.3250.227
Southern Alps0.3300.3150.315
Switzerland-0.1560.2150.130
© WSL, Swiss National Forest Inventory, 16.06.2020 #889618/355823
NFI1NFI4
change: basal area
lower/higher altitudinal zones
unit of reference: production region
unit: m²/ha/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1983/852009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
lower/higher altitudinal zones m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± %
lowlands0.138-0.1390.1460.1260.390.122
high altitude areas0.219-0.12460.0990.2110.380.28
total0.119-0.1380.1450.2100.360.18
© WSL, Swiss National Forest Inventory, 16.06.2020 #889619/355824
NFI2NFI4
change: basal area
lower/higher altitudinal zones
unit of reference: production region
unit: m²/ha/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1993/952009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
lower/higher altitudinal zones m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± % m²/ha/yr± %
lowlands-0.0322-0.217-0.01570.1480.312-0.053
high altitude areas0.221-0.1376-0.01100.2110.3100.211
total0.144-0.217-0.0890.2110.380.119
© WSL, Swiss National Forest Inventory, 16.06.2020 #889620/355825
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