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NFI3
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
cantondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGless than 1%5.5180.0.0.0.5.518
1-4%7.4150.0.0.0.7.415
5-9%5.4180.0.0.0.5.418
10-25%12.0110.0.0.0.12.011
26-50%6.9160.0.0.0.6.916
51-75%5.9170.0.0.0.5.917
76-100%4.3200.0.0.0.4.320
total47.520.0.0.0.47.52
AIless than 1%0.0.0.4680.21000.654
1-4%0.4710.4680.0.0.848
5-9%0.9440.4720.0.1.336
10-25%0.4711.2330.0.1.630
26-50%0.6570.21000.0.0.849
51-75%0.0.0.0.0.0.0.0.
76-100%0.21000.0.0.0.0.2100
total2.5242.6210.21005.310
ARless than 1%0.7500.0.0.0.0.750
1-4%0.7560.7510.3691.732
5-9%1.4370.8400.4732.624
10-25%0.9460.21000.0.1.141
26-50%1.0450.21000.21001.337
51-75%0.4730.21000.0.0.660
76-100%0.21000.0.0.0.0.2100
total5.3132.0260.9458.16
BEless than 1%8.1154.1221.63513.812
1-4%11.9139.2142.33023.49
5-9%15.71112.3122.42930.57
10-25%22.0925.283.52350.75
26-50%17.21010.4141.73529.38
51-75%10.1144.3220.65715.111
76-100%4.2221.0451.0456.218
total89.3466.5413.112168.91
BL/BSless than 1%0.21000.0.0.21000.570
1-4%1.1450.0.0.4711.537
5-9%2.5290.21000.4713.125
10-25%5.3181.4400.21006.915
26-50%2.6280.4710.6593.723
51-75%2.1310.0.0.0.2.131
76-100%2.5270.21000.0.2.626
total16.362.2301.93320.43
FRless than 1%1.7331.1400.0.2.825
1-4%4.3210.9450.0.5.319
5-9%4.2212.3290.0.6.517
10-25%8.5144.5200.95113.910
26-50%5.0203.6220.21008.714
51-75%2.7280.6580.0.3.225
76-100%0.6570.3700.0.1.045
total27.0513.4101.04541.43
GEless than 1%0.0.0.0.0.0.0.0.
1-4%0.41000.0.0.0.0.4100
5-9%0.41000.0.0.0.0.4100
10-25%1.2500.0.0.0.1.250
26-50%1.8370.0.0.0.1.837
51-75%0.0.0.0.0.0.0.0.
76-100%0.0.0.0.0.0.0.0.
total3.750.0.0.0.3.75
GLless than 1%1.2391.2400.5692.824
1-4%0.8501.0430.21001.930
5-9%0.9491.2400.4712.427
10-25%1.5340.5580.8502.824
26-50%0.4711.6320.21002.228
51-75%0.7490.5570.21001.434
76-100%0.5571.1430.0.1.634
total6.0167.1132.22915.26
GRless than 1%3.4248.7152.23014.311
1-4%14.11217.5103.02634.67
5-9%15.11116.7103.02634.87
10-25%20.5925.185.91851.55
26-50%10.81313.1121.83325.78
51-75%3.8233.7230.21007.816
76-100%2.1310.6580.21002.827
total69.8585.5416.211171.52
JUless than 1%2.5270.0.0.0.2.527
1-4%2.7261.1400.4704.220
5-9%3.1241.5350.8505.418
10-25%4.9192.3280.8508.014
26-50%3.6221.2401.4386.117
51-75%3.2240.6581.0454.719
76-100%1.9280.4710.0.2.326
total21.967.2154.32033.43
LUless than 1%0.8500.7570.0.1.438
1-4%3.8220.4710.0.4.221
5-9%4.4210.6570.0.5.019
10-25%11.4123.3240.210014.910
26-50%7.2151.4380.4719.013
51-75%4.1210.8500.0.4.919
76-100%1.0440.0.0.0.1.044
total32.847.1150.65840.42
NEless than 1%1.4370.21000.21001.833
1-4%3.5240.0.0.0.3.524
5-9%4.4200.5580.0.4.919
10-25%8.4140.0.0.6589.013
26-50%4.0200.4711.7306.115
51-75%1.5350.0.0.0.1.535
76-100%0.9440.21000.0.1.040
total24.151.3382.62628.03
NWless than 1%0.0.0.21000.0.0.2100
1-4%1.5391.3400.0.2.823
5-9%0.6590.4670.21001.238
10-25%1.6370.21000.4672.131
26-50%0.5680.7570.0.1.340
51-75%0.0.0.7570.0.0.757
76-100%0.0.0.0.0.0.0.0.
total4.3183.5220.5528.27
OWless than 1%1.1411.1440.0.2.229
1-4%2.4281.8330.0.4.220
5-9%3.2241.8320.21005.217
10-25%1.4371.7310.5593.721
26-50%0.8450.4690.0.1.238
51-75%0.6570.5590.21001.437
76-100%0.21000.7500.0.1.045
total9.9118.2121.04519.04
SGless than 1%2.3282.2310.0.4.421
1-4%4.6215.2190.47210.213
5-9%3.1263.5230.5577.116
10-25%5.2199.0140.65814.810
26-50%4.8204.9200.21009.913
51-75%1.9333.2250.4715.519
76-100%0.6570.8500.0.1.437
total22.4828.862.13053.33
SHless than 1%0.21000.0.0.0.0.2100
1-4%1.3400.0.0.0.1.340
5-9%1.7340.0.0.21001.931
10-25%3.8200.0.0.21004.019
26-50%2.0310.0.0.0.2.031
51-75%1.4360.0.0.0.1.436
76-100%1.5360.0.0.0.1.536
total11.940.0.0.46912.33
SOless than 1%4.9200.0.0.4725.319
1-4%3.4220.0.0.21003.722
5-9%4.2200.7510.0.5.018
10-25%7.0150.4720.21007.615
26-50%3.5240.21000.0.3.623
51-75%3.4230.21000.0.3.722
76-100%2.5260.4720.21003.224
total29.032.0311.14532.12
SZless than 1%2.2301.7350.0.3.822
1-4%3.7222.8250.0.6.516
5-9%2.9251.1400.21004.220
10-25%2.7263.9220.8497.414
26-50%2.3291.4370.4694.121
51-75%1.0441.1440.0.2.131
76-100%0.4710.0.0.0.0.471
total15.3911.8111.43628.54
TGless than 1%1.4360.0.0.0.1.436
1-4%1.7330.11000.0.1.831
5-9%3.1230.0.0.0.3.123
10-25%4.0200.8500.0.4.818
26-50%4.2180.4730.0.4.518
51-75%2.5261.0410.0.3.521
76-100%0.9410.11000.0.1.038
total17.742.4260.0.20.12
TIless than 1%1.0453.5240.0.4.521
1-4%3.12515.8100.95019.89
5-9%4.52121.092.33027.88
10-25%7.91628.972.03138.86
26-50%6.31712.0120.85019.210
51-75%2.3296.5170.6589.414
76-100%0.4711.0450.4711.833
total25.6888.836.917121.32
URless than 1%0.21000.7500.21001.140
1-4%0.6581.4360.21002.229
5-9%1.2412.0300.21003.423
10-25%2.4272.2280.4714.918
26-50%1.7331.1390.21003.124
51-75%0.5570.4710.0.0.944
76-100%0.21000.0.0.0.0.2100
total6.8157.8121.24015.86
VDless than 1%6.7170.7500.21007.616
1-4%10.8132.0310.47113.212
5-9%12.7123.3240.47116.410
10-25%22.386.2170.85029.37
26-50%13.1113.4240.47116.910
51-75%7.0161.8330.6589.314
76-100%2.4290.6580.0.3.026
total74.7318.192.72795.62
VSless than 1%1.0452.5270.8504.321
1-4%3.82312.1121.83317.610
5-9%7.21616.8102.92626.98
10-25%13.41223.483.22440.16
26-50%5.81810.8131.04517.610
51-75%2.7273.0260.4716.118
76-100%0.4710.6580.21001.241
total34.3769.2310.313113.82
ZGless than 1%0.4720.4720.0.0.849
1-4%0.0.0.0.0.0.0.0.
5-9%0.4710.6570.21001.237
10-25%1.4310.11000.0.1.628
26-50%1.0410.5560.0.1.532
51-75%0.0.0.5520.0.0.552
76-100%0.0.0.11000.0.0.1100
total3.3172.3220.21005.76
ZHless than 1%5.6180.0.0.0.5.618
1-4%7.6150.0.0.0.7.615
5-9%6.8160.21000.0.7.116
10-25%11.7120.6580.0.12.211
26-50%6.1170.4700.0.6.617
51-75%5.9180.0.0.0.5.918
76-100%4.5190.0.0.0.4.519
total48.221.2410.0.49.42
Switzerlandless than 1%52.4629.386.51888.25
1-4%95.6473.7510.514179.83
5-9%110.1488.0414.612212.83
10-25%181.83141.2322.09344.92
26-50%113.3468.7511.113193.13
51-75%63.9529.684.22297.64
76-100%32.578.2152.03242.77
total649.61438.7270.851159.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #858601/324932
NFI4
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
cantondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGless than 1%2.4280.0.0.0.2.428
1-4%3.8220.0.0.0.3.822
5-9%5.0190.0.0.0.5.019
10-25%12.7110.0.0.0.12.711
26-50%10.2130.0.0.0.10.213
51-75%5.2190.0.0.0.5.219
76-100%8.3130.0.0.0.8.313
total47.520.0.0.0.47.52
AIless than 1%0.4720.6540.21001.236
1-4%1.0440.7490.0.1.731
5-9%0.0.0.21000.0.0.2100
10-25%0.6570.7470.0.1.336
26-50%0.6570.4720.0.0.942
51-75%0.0.0.0.0.0.0.0.
76-100%0.0.0.0.0.0.0.0.
total2.5242.6210.21005.310
ARless than 1%0.7500.21000.3691.236
1-4%0.6590.4730.31001.238
5-9%1.1440.6460.0.1.732
10-25%1.0460.21000.3711.435
26-50%1.1400.5570.0.1.632
51-75%0.5670.21000.0.0.756
76-100%0.3710.0.0.0.0.371
total5.3132.0260.9458.16
BEless than 1%5.4191.8331.0458.215
1-4%12.4129.8141.04523.39
5-9%13.41211.7133.22528.38
10-25%24.0925.984.02253.95
26-50%14.91111.2131.93327.98
51-75%13.0124.1221.04518.110
76-100%6.2182.0321.0459.314
total89.3466.5413.112168.91
BL/BSless than 1%0.21000.0.0.21000.570
1-4%1.8340.21000.0.2.032
5-9%1.2440.21000.8502.231
10-25%4.6201.2430.7586.516
26-50%3.1250.4700.0.3.423
51-75%2.6280.0.0.21002.826
76-100%2.8240.21000.0.3.123
total16.362.2301.93320.43
FRless than 1%1.8331.1400.0.2.926
1-4%3.8221.7330.0.5.518
5-9%4.9201.1400.31006.317
10-25%9.0144.6190.65714.210
26-50%4.0222.9250.21007.016
51-75%3.0271.8330.0.4.820
76-100%0.4710.21000.0.0.658
total27.0513.4101.04541.43
GEless than 1%0.8660.0.0.0.0.866
1-4%0.41000.0.0.0.0.4100
5-9%0.21000.0.0.0.0.2100
10-25%1.2500.0.0.0.1.250
26-50%0.41000.0.0.0.0.4100
51-75%0.41000.0.0.0.0.4100
76-100%0.41000.0.0.0.0.4100
total3.750.0.0.0.3.75
GLless than 1%0.8491.0440.21002.029
1-4%1.2411.6340.6573.422
5-9%1.2400.4710.21001.833
10-25%1.3382.0280.4713.821
26-50%0.5571.0440.4711.931
51-75%0.5540.9440.4711.930
76-100%0.4710.21000.0.0.558
total6.0167.1132.22915.26
GRless than 1%8.81516.5102.03227.38
1-4%18.41020.895.11944.36
5-9%9.91414.7112.62827.28
10-25%19.81021.595.11946.56
26-50%7.31610.0140.85018.110
51-75%4.7201.4380.6586.817
76-100%0.8500.4710.0.1.241
total69.8585.5416.211171.52
JUless than 1%0.6580.4710.0.1.045
1-4%1.7331.0440.4713.124
5-9%2.9250.8501.0444.719
10-25%7.0152.7261.24110.911
26-50%4.4201.0440.6585.917
51-75%3.5231.2400.4715.118
76-100%1.7320.21000.8492.726
total21.967.2154.32033.43
LUless than 1%2.1300.21000.0.2.428
1-4%4.0220.9500.0.4.919
5-9%5.2190.4710.21005.717
10-25%10.7122.9260.210013.710
26-50%6.8152.2300.21009.213
51-75%3.0250.21000.0.3.224
76-100%1.0440.4700.0.1.437
total32.847.1150.65840.42
NEless than 1%0.5720.0.0.0.0.572
1-4%2.4280.21000.21002.826
5-9%3.1240.21000.0.3.223
10-25%8.3140.21000.5579.013
26-50%5.5170.3711.0456.815
51-75%3.1250.4710.7504.220
76-100%1.3380.0.0.21001.535
total24.151.3382.62628.03
NWless than 1%0.8560.31000.0.1.148
1-4%1.2390.31000.21001.632
5-9%0.31001.2440.0.1.440
10-25%1.2440.21000.0.1.340
26-50%0.8530.21000.4671.338
51-75%0.0.1.0470.0.1.047
76-100%0.0.0.4720.0.0.472
total4.3183.5220.5528.27
OWless than 1%0.21000.4710.0.0.657
1-4%2.1311.4370.21003.822
5-9%2.2301.9310.0.4.021
10-25%3.3223.0250.4726.614
26-50%1.3380.4710.21001.931
51-75%0.8501.0450.21001.930
76-100%0.0.0.11000.0.0.1100
total9.9118.2121.04519.04
SGless than 1%2.9263.5240.0.6.417
1-4%2.9264.5210.21007.616
5-9%3.3243.0260.4726.717
10-25%7.9158.4150.85017.010
26-50%2.8275.8180.21008.814
51-75%1.8332.4290.6584.720
76-100%0.8501.2410.0.2.131
total22.4828.862.13053.33
SHless than 1%1.5360.0.0.0.1.536
1-4%1.8330.0.0.21002.031
5-9%1.1440.0.0.0.1.144
10-25%2.6260.0.0.0.2.626
26-50%2.2280.0.0.0.2.228
51-75%1.7340.0.0.21001.931
76-100%1.1430.0.0.0.1.143
total11.940.0.0.46912.33
SOless than 1%0.8510.0.0.0.0.851
1-4%1.6350.0.0.0.1.635
5-9%3.8220.4720.21004.420
10-25%6.5160.7490.0.7.215
26-50%7.2150.5700.21007.914
51-75%5.1190.0.0.6595.617
76-100%4.1200.4720.0.4.619
total29.032.0311.14532.12
SZless than 1%0.4711.1400.0.1.535
1-4%3.3232.6270.0.5.817
5-9%3.4231.1400.21004.719
10-25%4.4203.4230.8498.614
26-50%2.1312.9260.21005.218
51-75%1.3400.4710.0.1.735
76-100%0.4710.4710.21001.144
total15.3911.8111.43628.54
TGless than 1%1.1350.0.0.0.1.135
1-4%1.1380.0.0.0.1.138
5-9%0.8390.21000.0.1.038
10-25%4.5180.6510.0.5.117
26-50%3.9200.8450.0.4.717
51-75%3.3220.7510.0.4.020
76-100%3.0240.0.0.0.3.024
total17.742.4260.0.20.12
TIless than 1%2.7278.3150.0.11.013
1-4%4.22222.591.73528.48
5-9%5.91822.991.34030.07
10-25%8.11522.492.32932.97
26-50%3.5238.0151.63513.112
51-75%0.8503.3240.0.4.022
76-100%0.4711.4380.0.1.733
total25.6888.836.917121.32
URless than 1%0.21000.8490.4711.437
1-4%0.6580.8480.0.1.437
5-9%1.2411.8300.0.2.923
10-25%2.2291.6340.4724.220
26-50%2.1292.7250.4715.117
51-75%0.6580.21000.0.0.850
76-100%0.0.0.0.0.0.0.0.
total6.8157.8121.24015.86
VDless than 1%3.3240.5570.0.3.922
1-4%13.0121.6350.47014.911
5-9%10.9134.0220.47015.410
10-25%20.696.7170.94528.37
26-50%12.3122.9260.65815.910
51-75%9.7141.5350.0.11.213
76-100%4.9190.8500.4716.117
total74.7318.192.72795.62
VSless than 1%1.4384.9201.0457.216
1-4%7.81618.192.13028.07
5-9%9.51414.5112.42926.38
10-25%9.81421.493.32434.66
26-50%4.1228.9141.43814.411
51-75%1.0451.4380.21002.727
76-100%0.6580.0.0.0.0.658
total34.3769.2310.313113.82
ZGless than 1%0.5670.21000.0.0.752
1-4%0.4720.11000.0.0.558
5-9%0.6590.0.0.0.0.659
10-25%1.4340.7460.0.2.126
26-50%0.0.0.7500.21000.943
51-75%0.3710.3710.0.0.648
76-100%0.11000.21000.0.0.371
total3.3172.3220.21005.76
ZHless than 1%1.3370.0.0.0.1.337
1-4%5.5180.0.0.0.5.518
5-9%4.3210.21000.0.4.520
10-25%10.2130.4720.0.10.613
26-50%9.5130.0.0.0.9.513
51-75%9.9130.4720.0.10.313
76-100%7.5150.21000.0.7.715
total48.221.2410.0.49.42
Switzerlandless than 1%41.7741.875.31988.85
1-4%96.9489.1412.513198.53
5-9%95.3481.3513.112189.73
10-25%182.93131.2421.99336.02
26-50%110.5463.6510.414184.53
51-75%75.6522.995.020103.44
76-100%46.768.8152.62858.16
total649.61438.7270.851159.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #858602/324933
NFI3
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
cantondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGless than 1%5.3170.0.0.0.5.317
1-4%7.2140.0.0.0.7.214
5-9%5.6170.0.0.0.5.617
10-25%12.5100.0.0.0.12.510
26-50%7.0150.0.0.0.7.015
51-75%5.7170.0.0.0.5.717
76-100%4.2200.0.0.0.4.220
total47.520.0.0.0.47.52
AIless than 1%0.0.0.3690.21000.555
1-4%0.4710.3690.0.0.748
5-9%0.8450.7430.0.1.529
10-25%0.6500.9340.0.1.627
26-50%0.5570.4710.0.0.844
51-75%0.0.0.21000.0.0.2100
76-100%0.21000.0.0.0.0.2100
total2.4232.8170.21005.48
ARless than 1%0.6500.0.0.0.0.650
1-4%0.8490.6510.3691.730
5-9%1.2370.7410.4722.324
10-25%1.0410.11000.21001.434
26-50%1.1370.21000.11001.532
51-75%0.5590.11000.0.0.751
76-100%0.11000.0.0.0.0.1100
total5.5121.8261.0408.36
BEless than 1%8.0153.7221.43513.111
1-4%11.41210.2132.03023.78
5-9%15.21014.5112.12931.87
10-25%22.4825.783.52251.65
26-50%16.91010.8121.63329.47
51-75%9.7134.9190.94515.510
76-100%4.1210.9451.1416.017
total87.8370.6412.712171.11
BL/BSless than 1%0.21000.0.0.21000.470
1-4%1.0450.0.0.4711.437
5-9%2.3290.21000.4712.926
10-25%5.3171.4370.21006.814
26-50%2.6270.4710.6593.622
51-75%2.6270.21000.0.2.826
76-100%2.3280.21000.0.2.526
total16.462.3281.83320.53
FRless than 1%1.6331.2370.0.2.724
1-4%4.9181.0400.0.5.916
5-9%3.8212.2270.0.6.016
10-25%8.5134.6190.75013.810
26-50%4.4204.3190.4719.113
51-75%2.4270.5580.0.2.924
76-100%0.6570.3700.0.0.944
total26.2514.291.14141.42
GEless than 1%0.0.0.0.0.0.0.0.
1-4%0.41000.0.0.0.0.4100
5-9%0.41000.0.0.0.0.4100
10-25%1.4410.0.0.0.1.441
26-50%1.6380.0.0.0.1.638
51-75%0.0.0.0.0.0.0.0.
76-100%0.0.0.0.0.0.0.0.
total3.750.0.0.0.3.75
GLless than 1%1.2371.0410.4692.724
1-4%0.9450.8430.21001.929
5-9%1.1401.0410.4722.525
10-25%1.6310.8440.7503.122
26-50%0.5581.9270.11002.624
51-75%1.0410.5570.21001.631
76-100%0.5571.0430.0.1.534
total6.8147.0131.92915.76
GRless than 1%3.2238.6142.12913.911
1-4%13.91117.6103.42334.97
5-9%16.31017.7103.32337.46
10-25%21.7924.585.61751.85
26-50%11.01212.8111.63325.48
51-75%4.1214.1210.3718.514
76-100%2.0300.9450.21003.024
total72.2486.1316.610175.01
JUless than 1%2.5260.21000.0.2.725
1-4%3.2231.0400.4704.519
5-9%3.0241.4350.7505.117
10-25%5.0182.5260.7508.213
26-50%3.4221.1401.2385.716
51-75%3.3220.5580.9454.718
76-100%2.1260.4710.0.2.525
total22.567.0143.92033.42
LUless than 1%1.5330.5570.0.2.129
1-4%3.8200.3710.0.4.119
5-9%4.8180.5570.0.5.317
10-25%11.4113.1230.210014.79
26-50%7.4141.4350.3719.112
51-75%3.9200.7500.0.4.618
76-100%1.0400.0.0.0.1.040
total33.846.5150.55840.82
NEless than 1%1.3370.21000.21001.633
1-4%3.5220.0.0.21003.722
5-9%4.4190.7500.0.5.117
10-25%8.6130.0.0.7509.312
26-50%4.5180.4711.6306.515
51-75%1.4350.0.0.21001.633
76-100%0.8440.21000.0.1.040
total24.541.4352.92328.83
NWless than 1%0.0.0.21000.0.0.2100
1-4%1.5351.3360.0.2.721
5-9%0.6590.6580.21001.336
10-25%1.3380.5570.3672.227
26-50%0.5680.6570.0.1.141
51-75%0.0.0.9480.0.0.948
76-100%0.0.0.0.0.0.0.0.
total3.8184.0180.5528.36
OWless than 1%1.0401.2400.0.2.228
1-4%2.6261.9310.21004.718
5-9%3.4221.7320.21005.217
10-25%1.6351.9300.5593.920
26-50%1.0410.4690.0.1.435
51-75%0.6570.5590.21001.337
76-100%0.21000.7500.0.0.945
total10.3118.2121.14119.64
SGless than 1%2.5252.0300.0.4.619
1-4%4.8196.1160.47111.212
5-9%2.9254.3190.5577.714
10-25%5.2189.3130.55814.910
26-50%4.9194.3200.21009.313
51-75%2.0303.2230.3715.517
76-100%0.7500.9450.0.1.633
total23.0830.161.93054.93
SHless than 1%0.21000.0.0.0.0.2100
1-4%1.1390.0.0.0.1.139
5-9%1.6310.0.0.21001.829
10-25%3.3210.0.0.21003.520
26-50%2.2290.0.0.0.2.229
51-75%1.5340.0.0.0.1.534
76-100%1.8310.0.0.21002.030
total11.740.0.0.55712.23
SOless than 1%5.0180.3710.4725.717
1-4%3.6200.0.0.21003.820
5-9%4.0190.7510.0.4.718
10-25%7.0140.4710.11007.514
26-50%3.6220.11000.21004.020
51-75%3.0230.21000.0.3.322
76-100%3.0230.4710.21003.521
total29.232.1291.14132.42
SZless than 1%2.3271.4350.0.3.721
1-4%3.6213.0220.0.6.615
5-9%2.8241.4350.4714.519
10-25%2.8243.8210.7497.313
26-50%2.1281.6330.4704.120
51-75%1.1400.9450.0.2.129
76-100%0.4710.0.0.0.0.471
total15.1912.1101.53428.73
TGless than 1%1.4330.0.0.0.1.433
1-4%1.6310.11000.0.1.830
5-9%2.9230.0.0.0.2.923
10-25%3.9191.1390.0.4.916
26-50%4.2170.3720.0.4.517
51-75%2.7240.9410.0.3.620
76-100%1.0370.11000.0.1.135
total17.742.5230.0.20.23
TIless than 1%0.9453.8220.21004.919
1-4%3.32316.0100.85120.19
5-9%4.52021.982.03028.47
10-25%8.01528.672.12938.76
26-50%6.51612.4110.75019.69
51-75%2.1296.7160.5589.413
76-100%0.4711.3380.3712.030
total25.6890.736.616123.02
URless than 1%0.4710.8440.21001.435
1-4%0.7501.4340.21002.327
5-9%1.0412.0290.21003.222
10-25%2.5252.0290.4714.917
26-50%1.9301.1390.21003.222
51-75%0.5570.7490.21001.435
76-100%0.21000.0.0.0.0.2100
total7.3138.0111.33716.65
VDless than 1%6.9160.7500.3707.914
1-4%10.3132.0300.55812.911
5-9%13.2113.2230.55816.910
10-25%22.986.7160.94530.57
26-50%13.3113.4230.47117.19
51-75%7.2151.8310.5589.513
76-100%2.4270.5580.0.3.024
total76.3318.493.12397.82
VSless than 1%1.4352.3270.7504.420
1-4%5.11812.2111.83119.19
5-9%7.11615.8102.82525.77
10-25%13.71123.182.92439.76
26-50%5.71711.4120.94517.99
51-75%3.3233.0240.3716.616
76-100%0.5580.5580.21001.338
total36.8668.339.613114.72
ZGless than 1%0.3720.3720.0.0.748
1-4%0.0.0.0.0.0.0.0.
5-9%0.4710.6560.21001.137
10-25%1.7260.11000.0.1.924
26-50%0.9420.7460.0.1.629
51-75%0.0.0.5520.0.0.552
76-100%0.0.0.11000.0.0.1100
total3.4152.4200.21006.05
ZHless than 1%5.2180.0.0.0.5.218
1-4%7.8140.0.0.0.7.814
5-9%7.1150.21000.0.7.315
10-25%11.5110.5580.0.12.011
26-50%6.3160.4700.0.6.716
51-75%5.7170.0.0.0.5.717
76-100%4.2190.0.0.0.4.219
total47.821.1410.0.48.92
Switzerlandless than 1%53.1628.786.31788.14
1-4%97.0476.1510.813183.93
5-9%110.4492.0414.311216.63
10-25%185.53141.4321.29348.12
26-50%114.1470.2510.513194.83
51-75%64.3531.074.620100.04
76-100%32.878.4152.22943.46
total657.11447.8170.051174.90
© WSL, Swiss National Forest Inventory, 18.06.2020 #858603/324934
NFI3
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtectdegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aless than 1%34.074.9205.7180.8502.9270.65848.96
1-4%45.5613.5129.4143.02610.8133.12585.35
5-9%53.8615.5119.7144.62111.9134.621100.14
10-25%95.0423.7912.5129.91415.8116.317163.13
26-50%59.5516.6118.2154.2227.1163.62399.24
51-75%42.966.0182.8271.8331.4381.43856.36
76-100%25.781.2411.6350.21000.8500.47129.98
total356.2181.4449.9524.5850.6520.19582.71
inside perimeterless than 1%2.4295.6195.6182.3296.4175.71828.18
1-4%3.32412.91211.21311.71214.21117.61071.05
5-9%5.71818.6109.01415.41010.91322.1981.75
10-25%11.81334.6715.61122.0914.81131.87130.64
26-50%6.91714.5118.9159.8148.91412.21261.36
51-75%3.6247.6165.2192.6282.3295.21926.59
76-100%1.7332.0321.8330.6580.21000.6586.917
total35.4795.8357.4564.4457.8595.23406.12
outside perimeterless than 1%2.4290.21000.8500.6582.0320.0.6.118
1-4%2.8270.9501.1411.8332.2301.43810.214
5-9%2.4291.8331.9322.9262.4292.33013.712
10-25%4.8203.8232.7273.2244.5212.92621.99
26-50%5.3191.2411.2411.0451.4380.65810.714
51-75%2.2300.6580.21000.4710.21000.4714.022
76-100%0.6580.6580.0.0.21000.21000.21001.833
total20.4109.2157.91510.11312.9127.81668.35
totalless than 1%38.8710.71312.2123.72311.3136.31783.05
1-4%51.6627.3821.7916.41027.3822.29166.53
5-9%61.9535.9720.6922.9825.2829.08195.53
10-25%111.6462.1530.7735.2635.1740.96315.62
26-50%71.7532.4718.31015.01117.41016.510171.23
51-75%48.6614.2128.2154.8203.9226.91786.75
76-100%28.083.8233.4241.0451.2411.24138.67
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #858604/324935
NFI3
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtectdegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aless than 1%35.775.1196.9161.4353.3230.94553.26
1-4%47.0615.71011.2125.11812.4124.91996.34
5-9%55.6517.0109.8137.11613.4117.315110.34
10-25%99.7426.7814.91113.71120.299.613184.83
26-50%61.9518.31010.3135.7179.8137.615113.74
51-75%43.966.5164.5203.3234.1212.12964.35
76-100%26.181.8321.9300.5582.0300.47132.77
total369.9191.1459.6536.8665.1432.87655.21
inside perimeterless than 1%2.7265.4185.9172.3276.5166.11728.88
1-4%3.62214.31112.21112.21114.81018.7975.85
5-9%5.51820.5910.91215.81012.01227.5792.34
10-25%12.71236.2616.91023.1817.7935.36141.93
26-50%6.91616.91010.11311.41210.71214.51170.55
51-75%3.4238.2155.9173.0243.0247.81531.37
76-100%1.6332.1292.0300.5580.5581.6338.315
total36.37103.5363.9468.3365.24111.52448.91
outside perimeterless than 1%2.3280.21000.7500.7502.2290.21006.317
1-4%2.7261.1411.0411.8312.9251.33810.813
5-9%2.3282.0301.9302.8253.0242.32714.311
10-25%4.6203.7222.6272.9244.7193.02421.69
26-50%5.2181.3381.0410.9451.4350.94510.713
51-75%2.3280.7500.4710.3710.3710.5584.620
76-100%0.9450.5580.0.0.21000.21000.4712.229
total20.399.6147.6159.61314.8108.61470.45
totalless than 1%40.7610.61313.5114.42012.0127.11688.44
1-4%53.2531.1724.4819.1930.1724.98182.93
5-9%63.4539.5622.6825.7728.4737.26216.83
10-25%117.1366.5434.4639.7642.6647.95348.22
26-50%74.0436.6621.5917.9921.9823.08194.83
51-75%49.6615.41010.8126.6167.41510.413100.24
76-100%28.584.4204.0211.3382.7262.32843.26
total426.61204.21131.02114.72145.12152.921174.50
© WSL, Swiss National Forest Inventory, 18.06.2020 #858605/324936
NFI4
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: protection forest region
unit: 1000 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
processes in channels SilvaProtectdegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aless than 1%16.5114.3214.3201.0456.3182.92635.57
1-4%37.1713.71210.3135.41914.3114.42185.25
5-9%42.2614.8118.1156.0187.6164.22283.05
10-25%93.9427.4814.6118.01515.3115.818165.03
26-50%72.2511.2137.1162.6284.0222.23099.44
51-75%53.867.7163.6231.0452.4290.65769.15
76-100%40.572.3301.8330.4710.6580.0.45.66
total356.2181.4449.9524.5850.6520.19582.71
inside perimeterless than 1%0.8504.2226.5174.72012.41211.51340.27
1-4%3.02613.91210.11316.81012.01225.4881.25
5-9%4.32117.6106.61712.71210.31323.1974.65
10-25%12.41235.4715.51120.8915.01124.58123.74
26-50%9.01513.81212.5128.1156.6176.91757.06
51-75%4.9207.4164.0221.3411.2412.62821.410
76-100%1.0453.5242.2300.0.0.21001.2418.116
total35.4795.8357.4564.4457.8595.23406.12
outside perimeterless than 1%0.8500.4711.2411.0451.6350.21005.120
1-4%1.6351.1451.0452.1304.3211.83311.913
5-9%4.9201.1450.8502.4291.8331.93312.812
10-25%5.1203.1262.8273.1253.9222.62720.610
26-50%3.0262.3301.4381.4380.6581.24110.014
51-75%3.2250.6580.6580.21000.6580.0.5.220
76-100%1.8330.6580.21000.0.0.0.0.0.2.628
total20.4109.2157.91510.11312.9127.81668.35
totalless than 1%18.2108.91512.0126.61720.3914.71180.85
1-4%41.6728.6821.4924.4830.7731.67178.33
5-9%51.4633.5715.51121.1919.7929.27170.43
10-25%111.3465.9532.9732.0734.2732.97309.32
26-50%84.2427.4821.0912.11211.31310.413166.33
51-75%61.9515.7118.3152.5294.3213.12595.74
76-100%43.366.5184.1220.4710.8501.24156.36
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #858606/324937
NFI3
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtectdegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aless than 1%35.674.9206.5171.0453.5241.04552.56
1-4%47.1615.31110.8133.82312.5124.92094.34
5-9%55.2617.51010.3147.21613.1126.517109.94
10-25%97.5427.3813.91213.41219.0109.414180.53
26-50%60.6519.21010.0145.8189.7147.416112.84
51-75%44.566.6174.0222.7273.8232.42963.95
76-100%26.181.8332.0310.4712.0310.47132.77
total366.5192.7457.6534.3763.5532.07646.71
inside perimeterless than 1%2.4295.6196.2172.5276.6175.71829.18
1-4%3.32413.11211.61212.11214.71118.6973.45
5-9%5.71818.8109.81416.81012.01225.6888.64
10-25%11.81335.6716.81023.4818.01036.07141.63
26-50%7.11716.2119.91410.81310.71314.41169.15
51-75%3.6247.6165.6193.0263.0267.31630.08
76-100%1.7332.4292.0320.6580.21001.4388.315
total35.6799.3362.0469.2365.04109.03440.22
outside perimeterless than 1%2.4290.21000.8500.8502.2300.0.6.518
1-4%2.8270.9501.1411.8332.4291.43810.414
5-9%2.6282.0321.9322.9262.6282.62714.712
10-25%4.8203.8232.7273.2245.1192.92622.59
26-50%5.3191.2411.2411.0451.6351.04511.313
51-75%2.2300.6580.21000.4710.21000.6584.222
76-100%0.6580.6580.0.0.21000.21000.4712.032
total20.7109.4157.91510.31314.3118.91571.55
totalless than 1%40.4710.71313.6114.32112.3126.71788.15
1-4%53.2629.3823.6817.61029.5724.98178.13
5-9%63.5538.3722.0926.9827.6834.87213.23
10-25%114.0466.7533.5740.1642.0648.36344.62
26-50%73.0536.6721.1917.61022.0922.89193.23
51-75%50.2614.8119.8146.1186.91710.21398.14
76-100%28.484.9204.0221.2412.4292.23043.17
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #858607/324938
NFI3
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtectdegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aless than 1%36.475.3196.9161.0453.5241.04554.16
1-4%47.7615.71110.8134.62112.7125.11996.54
5-9%56.2618.31010.3147.41613.5127.516113.34
10-25%98.6427.7815.01113.41219.6109.414183.73
26-50%60.8519.21010.0145.8189.9147.816113.64
51-75%44.766.6174.0222.7274.0222.42964.35
76-100%26.182.0322.0310.4712.0310.47132.97
total370.5194.9459.0535.3765.1533.67658.51
inside perimeterless than 1%2.6285.6196.4172.5276.8175.71829.78
1-4%3.32413.71212.01212.11215.11119.0975.25
5-9%5.71819.21010.01416.81012.01225.8889.54
10-25%12.01335.8717.31023.4818.01036.87143.23
26-50%7.11716.31110.11410.81310.71314.81169.85
51-75%3.6247.8165.6193.0263.0267.31630.28
76-100%1.7332.4292.0320.6580.4711.6358.715
total36.07100.9363.5469.2365.84111.03446.32
outside perimeterless than 1%2.4290.21000.8500.8502.2300.0.6.518
1-4%3.0260.9501.1411.8332.4291.43810.614
5-9%2.6282.3301.9322.9262.8272.62715.111
10-25%4.8204.0232.7273.2245.3193.12523.19
26-50%5.3191.2411.2411.0451.6351.04511.313
51-75%2.2300.6580.21000.4710.21000.6584.222
76-100%0.6580.6580.0.0.21000.21000.4712.032
total20.9109.8147.91510.31314.7119.11472.75
totalless than 1%41.4711.11314.2114.32112.5126.71790.35
1-4%54.0630.3823.9818.41030.1725.58182.33
5-9%64.5539.8722.2927.1828.2836.07217.93
10-25%115.4467.5534.9740.1642.8649.25350.02
26-50%73.2536.8721.3917.61022.2923.69194.73
51-75%50.4615.0119.8146.1187.11610.21398.74
76-100%28.485.1204.0221.2412.6282.42943.77
total427.31205.61130.42114.82145.62153.721177.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #858608/324939
NFI4
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtectdegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aless than 1%17.3105.4195.4191.4387.7163.92241.17
1-4%39.7715.51110.7137.81615.9116.71796.44
5-9%44.2616.2119.3149.5148.6157.31695.24
10-25%95.7431.0816.4119.81418.7109.114180.83
26-50%73.0513.7129.3144.1227.2163.623110.94
51-75%55.268.5154.7211.0454.5211.04474.85
76-100%41.472.5291.8330.6580.8500.47147.56
total366.5192.7457.6534.3763.5532.07646.71
inside perimeterless than 1%0.8504.2226.9164.92012.81212.11241.87
1-4%3.02614.11210.51318.1913.81229.1788.54
5-9%4.32118.0107.21614.51111.71326.0881.75
10-25%12.61236.8717.11021.4916.41027.48131.84
26-50%9.01514.41213.9118.9148.6159.41464.45
51-75%4.9207.8164.2221.4381.5373.32423.29
76-100%1.0453.9232.2300.0.0.21001.6358.915
total35.6799.3362.0469.2365.04109.03440.22
outside perimeterless than 1%0.8500.4711.2411.0451.8330.21005.319
1-4%1.6351.1451.0452.1304.5212.23012.513
5-9%4.9201.1450.8502.4292.0321.93313.012
10-25%5.3193.3252.8273.3244.5213.02622.29
26-50%3.0262.3301.4381.4380.8501.63510.614
51-75%3.2250.6580.6580.21000.6580.0.5.220
76-100%1.8330.6580.21000.0.0.0.0.0.2.628
total20.7109.4157.91510.31314.3118.91571.55
totalless than 1%19.01010.01413.4117.21622.3916.21088.25
1-4%44.3630.6822.2928.0734.3738.16197.53
5-9%53.5635.3717.31026.3822.3935.27189.93
10-25%113.6471.1436.4734.6639.6639.66334.82
26-50%85.0430.5824.6814.41116.71014.611185.83
51-75%63.3516.9119.5142.7276.5174.321103.24
76-100%44.267.1174.1220.6581.0451.93159.06
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #858609/324940
NFI4
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: protection forest region
unit: 1000 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
processes in channels SilvaProtectdegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aless than 1%17.8105.6196.2172.2307.7165.11944.57
1-4%40.7716.11111.5138.91517.7108.315103.24
5-9%44.4617.1119.71410.3149.8147.71699.04
10-25%97.3433.6717.81011.41320.9910.114191.23
26-50%73.7514.5129.9145.1207.9164.720115.84
51-75%55.469.3155.1201.7354.7201.24177.25
76-100%41.962.7282.2300.6580.8500.47148.66
total371.3198.8462.4540.2669.5437.57679.61
inside perimeterless than 1%0.8504.2226.9164.92013.21212.11242.27
1-4%3.02614.11210.91318.3914.41129.3789.94
5-9%4.32118.6107.21614.91111.91227.2884.15
10-25%12.81237.0718.11021.4916.61028.48134.44
26-50%9.01514.61114.1119.6149.2149.61466.25
51-75%4.9208.0164.6211.4381.7353.32424.09
76-100%1.0453.9232.2300.0.0.21001.6358.915
total35.87100.5364.0470.4367.24111.63449.62
outside perimeterless than 1%0.8500.4711.2411.0451.8330.21005.319
1-4%1.6351.1451.0452.1304.7202.23012.712
5-9%4.9201.1450.8502.4292.0321.93313.012
10-25%5.3193.3252.8273.5234.9203.22523.09
26-50%3.2252.3301.4381.4380.8501.63510.814
51-75%3.2250.6580.6580.21000.6580.0.5.220
76-100%1.8330.6580.21000.0.0.0.0.0.2.628
total20.9109.4157.91510.51314.9119.11472.75
totalless than 1%19.41010.21414.2118.11522.7917.41092.04
1-4%45.3631.2823.4929.3736.8739.96205.83
5-9%53.7636.7717.71027.6823.7936.87196.23
10-25%115.3473.9438.8636.4642.4641.76348.62
26-50%86.0431.5825.4816.01117.91016.011192.83
51-75%63.5517.91010.3143.3256.9174.521106.44
76-100%44.767.3174.5210.6581.0451.93160.15
total427.91208.71134.32121.12151.62158.321201.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #858610/324941
NFI4
volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: protection forest region
unit: m³/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
avalanches SilvaProtectaltitudinal vegetation zone m³/ha± % m³/ha± % m³/ha± % m³/ha± % m³/ha± % m³/ha± % m³/ha± %
n/aupper subalpine0.0.318.150187.60156.913228.110262.823213.98
lower subalpine284.66334.47346.29274.215337.57290.514320.54
upper montane428.45446.47444.88212.615439.910219.319418.53
lower montane407.03502.78544.48215.916346.914190.927421.93
colline/submontane360.32429.210482.711107.422245.312242.111353.82
total377.81418.64441.04201.48328.65243.17372.61
inside perimeterupper subalpine0.0.259.713205.70352.513267.713308.117305.88
lower subalpine261.143416.412466.415438.39441.211322.511421.75
upper montane438.512412.811461.310394.49327.312396.814403.65
lower montane429.014397.919488.5140.0.290.7170.0.429.79
colline/submontane0.0.208.5370.0.270.9400.0.0.0.246.230
total420.19405.48465.87408.06363.37358.29402.13
outside perimeterupper subalpine0.0.227.931222.80277.69401.718312.116329.910
lower subalpine594.70380.97344.715408.86390.16330.68379.73
upper montane413.38453.95452.37305.810389.07301.76390.63
lower montane441.85493.36490.08209.913330.29294.47406.73
colline/submontane348.86461.312474.98159.413285.214238.25310.04
total401.13441.13451.64302.34379.94282.53372.42
totalupper subalpine0.0.274.327205.44248.97303.311296.911280.76
lower subalpine290.66362.84362.47390.95375.24321.66359.72
upper montane427.14444.64450.84315.46392.45308.25404.02
lower montane413.62493.75510.65211.311334.98282.97416.52
colline/submontane359.12439.98477.76147.211259.79238.94342.02
total381.21427.52448.82301.83356.23283.43375.01
© WSL, Swiss National Forest Inventory, 18.06.2020 #858611/324942
NFI3
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: protection forest perimeter SilvaProtect: forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)altitude (400 m classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.0.6580.0.0.21000.6580.6581.932
1001-1400 m0.0.4.0221.6350.0.0.4710.21006.118
601-1000 m2.4292.0331.4380.4710.4710.21006.617
to 600 m3.5230.4710.4710.0.0.21001.0455.519
total5.9186.9173.3240.6571.5352.03220.210
21-40 %above 1800 m0.0.2.01710.827116.79720.4918.112948.057
1401-1800 m0.210022.6807.514729.07535.26531.069125.534
1001-1400 m7.716146.15428.26820.08918.88733.366154.129
601-1000 m32.78230.27429.66510.51185.818026.777135.432
to 600 m12.01720.94002.92231.02090.0.14.39831.167
total52.666101.83669.04277.24280.242113.434494.116
over 100%above 1800 m0.0.0.0.0.21000.8500.7502.0323.723
1401-1800 m0.0.1.5350.4702.7261.1415.81811.513
1001-1400 m0.0.2.4293.3241.2411.8335.71814.412
601-1000 m0.8500.9502.5290.21000.4713.4248.216
to 600 m0.0.0.4710.21000.0.0.0.1.2411.933
total0.8505.2196.6174.9204.12218.11039.77
totalabove 1800 m0.0.2.0311.04517.41021.1910.11351.76
1401-1800 m0.210024.787.91531.9636.9637.36139.03
1001-1400 m7.71652.5533.0721.2921.0939.26174.63
601-1000 m35.8733.1733.4611.1126.51630.37150.33
to 600 m15.5111.7353.5241.0380.210016.61038.57
total59.25114.0378.8482.7385.83133.52554.01
© WSL, Swiss National Forest Inventory, 11.07.2020 #858612/324943
NFI3
forest area
processes in channels SilvaProtect · concept of transportation system
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
processes in channels SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track69.33.029.29.141.07.830.81.653.75.238.53.575.016.28.43.39.41.135.23.744.93.552.94.36.24.44.52.024.12.786.34.664.93.914.03.175.74.24.40.96.43.151.32.46.61.115.96.875.32.831.20.6
road and skidding road27.82.90.0.13.95.610.31.121.64.514.72.625.016.21.61.63.40.725.73.423.63.028.53.96.24.47.62.68.01.810.64.221.33.26.42.211.43.20.60.32.82.017.21.81.20.533.89.015.02.311.00.4
road and cable line0.0.4.14.13.82.66.10.83.62.18.11.90.0.8.23.313.91.30.0.10.52.21.30.921.77.722.24.42.51.00.0.1.91.120.43.50.0.1.80.61.31.32.10.75.91.14.34.36.01.56.20.3
road and flight path0.0.0.0.6.44.31.80.50.0.1.81.00.0.7.23.12.20.50.0.0.60.60.70.714.66.813.53.52.51.00.0.0.0.6.52.20.0.0.20.212.14.10.90.54.40.90.0.0.0.2.10.2
no access intended3.01.112.26.60.0.2.90.61.41.42.11.10.0.10.03.78.61.04.21.61.50.92.41.40.0.2.31.64.11.30.0.2.31.35.52.10.70.79.31.314.64.35.51.16.71.10.0.1.20.74.90.3
total100.0.45.59.965.07.051.81.880.34.265.33.2100.0.35.55.837.51.865.13.781.12.885.82.948.79.150.15.441.23.296.92.190.32.452.84.587.83.116.31.637.25.976.92.024.81.954.08.997.51.055.40.6
inside perimeterroad and skidding track0.0.35.29.28.84.512.41.26.62.68.31.90.0.4.32.55.80.98.42.17.11.82.21.36.24.40.0.20.12.50.0.2.41.22.61.57.22.56.31.11.51.56.71.210.41.415.46.30.50.57.50.4
road and skidding road0.0.4.14.111.84.48.31.01.91.37.81.90.0.2.61.83.00.611.12.43.81.41.91.14.83.310.03.211.72.10.0.2.11.25.52.13.91.73.20.86.63.21.90.63.00.88.75.70.80.64.60.3
road and cable line0.0.7.05.03.72.614.31.21.31.314.72.40.0.22.25.031.71.71.20.86.01.70.0.25.78.221.24.317.22.40.0.1.30.925.03.80.0.14.51.625.45.16.61.226.11.918.76.71.30.714.50.5
road and flight path0.0.0.0.0.0.1.70.50.0.0.90.60.0.6.93.04.00.70.0.0.0.0.0.7.35.112.33.61.90.90.0.0.0.5.22.00.0.6.41.114.04.40.90.513.91.50.0.0.0.3.50.3
no access intended0.0.4.14.10.0.3.30.60.0.0.40.40.0.12.84.07.91.01.20.80.60.60.70.70.0.1.11.13.51.20.0.0.60.63.11.51.11.147.32.25.72.84.00.911.61.40.0.0.0.8.10.3
total0.0.50.49.924.36.240.21.79.83.132.13.10.0.48.86.152.41.821.83.217.52.74.81.844.09.444.65.354.43.20.0.6.32.041.54.412.23.177.71.853.26.020.21.965.02.142.79.12.51.038.20.6
outside perimeterroad and skidding track0.0.0.0.10.74.83.90.74.82.40.0.0.0.0.0.1.10.44.11.51.50.86.12.02.42.41.11.11.90.83.12.12.11.20.80.80.0.1.40.51.81.81.60.61.70.60.0.0.0.1.90.2
road and skidding road0.0.0.0.0.0.1.20.41.01.01.91.00.0.0.0.1.20.46.61.90.0.2.71.40.0.0.0.0.70.50.0.1.30.90.0.0.0.0.50.30.0.0.0.1.00.50.0.0.0.0.90.1
road and cable line0.0.0.0.0.0.1.90.53.21.80.0.0.0.7.63.35.40.80.0.0.0.0.60.64.83.31.21.21.20.70.0.0.0.4.91.90.0.1.60.63.32.41.10.52.70.73.33.30.0.2.00.2
road and flight path0.0.0.0.0.0.0.30.20.0.0.70.70.0.4.32.51.20.40.0.0.0.0.0.0.0.3.01.80.0.0.0.0.0.0.0.0.0.0.60.33.12.20.0.2.30.70.0.0.0.0.70.1
no access intended0.0.4.14.10.0.0.70.31.01.00.0.0.0.3.92.21.20.42.31.10.0.0.0.0.0.0.0.0.50.50.0.0.0.0.0.0.0.1.80.61.31.30.20.22.40.70.0.0.0.0.90.1
total0.0.4.14.110.74.88.01.09.93.22.61.20.0.15.84.410.11.113.12.61.50.89.42.47.33.85.32.44.31.33.12.13.31.55.72.10.0.6.01.19.63.82.90.810.21.33.33.30.0.6.40.3
totalroad and skidding track69.33.064.49.360.57.847.11.765.25.146.83.675.016.212.74.016.31.447.73.953.53.561.34.214.86.25.62.346.13.289.44.269.33.717.43.482.93.712.21.59.73.859.52.318.71.731.28.375.82.840.60.6
road and skidding road27.82.94.14.125.76.819.91.424.54.724.53.225.016.24.32.57.71.043.43.927.33.233.14.111.05.317.64.020.52.610.64.224.73.411.92.915.33.64.30.99.43.719.21.95.21.042.58.415.82.416.50.5
road and cable line0.0.11.16.37.53.622.31.48.03.022.82.80.0.38.05.950.91.81.20.816.52.61.91.152.39.244.65.020.92.60.0.3.11.450.44.40.0.17.91.730.05.69.81.434.72.126.38.17.21.722.60.5
road and flight path0.0.0.0.6.44.33.70.70.0.3.41.40.0.18.34.77.41.00.0.0.60.60.70.721.97.928.84.84.41.40.0.0.0.11.82.90.0.7.11.229.25.81.90.720.71.80.0.0.0.6.30.3
no access intended3.01.120.48.00.0.7.00.92.31.72.51.10.0.26.75.317.71.47.72.12.11.03.01.50.0.3.41.98.11.80.0.2.91.58.62.51.81.358.42.221.64.89.71.420.71.80.0.1.20.713.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #858613/324944
NFI3
forest area
processes in channels SilvaProtect · degree of mixture
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
processes in channels SilvaProtectdegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a2.3306.6174.7212.8270.210016.611
pure conifer forest39.4652.8550.6675.956.417225.13
mixed conifer forest38.1749.0620.91011.9131.438121.34
mixed broadleaf forest33.1732.179.2156.1180.85081.25
pure broadleaf forest41.6661.3511.51312.61211.313138.43
total154.42201.8197.04109.3420.19582.61
inside perimetern/a0.0.0.21004.6215.5191.04511.213
pure conifer forest1.6352.42943.36120.8330.07198.13
mixed conifer forest5.5194.42125.4819.2107.31661.75
mixed broadleaf forest5.5193.92213.41212.8125.91841.57
pure broadleaf forest7.3164.72010.91320.21051.0594.14
total19.8915.61197.63178.4295.23406.62
outside perimetern/a0.0.0.0.0.21001.6350.0.1.933
pure conifer forest2.6280.21001.83318.5101.83324.99
mixed conifer forest5.2191.0452.4294.7200.210013.512
mixed broadleaf forest3.1250.8502.4302.3290.4719.115
pure broadleaf forest5.4192.1301.9334.2215.41919.010
total16.3114.2228.71531.487.81668.45
totaln/a2.3306.8169.51410.0141.24129.78
pure conifer forest43.6655.4595.74215.2238.36448.12
mixed conifer forest48.8654.4548.7635.878.915196.53
mixed broadleaf forest41.7636.8725.0921.297.116131.84
pure broadleaf forest54.2568.2524.3937.0767.74251.52
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #858614/324945
NFI3
forest area
processes in channels SilvaProtect · concept of transportation system
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtectconcept of transportation system %± %± %± %± %± %± %±
n/aroad and skidding track72.31.031.12.031.42.318.92.517.21.813.92.249.30.7
road and skidding road22.90.918.61.713.61.75.41.58.51.32.41.017.40.6
road and cable line1.20.225.81.919.02.018.02.528.12.110.21.911.00.5
road and flight path0.30.111.51.412.11.722.02.710.41.44.71.35.80.4
no access intended3.20.412.91.424.02.235.83.135.82.268.72.916.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track48.33.523.11.825.12.216.21.811.51.68.01.118.80.8
road and skidding road32.73.318.21.616.51.94.11.07.71.43.60.711.70.6
road and cable line10.22.143.62.137.02.538.72.556.82.521.91.635.70.9
road and flight path0.0.6.71.08.91.521.22.17.41.37.51.09.00.6
no access intended8.82.08.31.112.41.719.82.016.61.958.91.924.80.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track59.84.627.46.226.86.719.75.311.83.524.36.131.92.3
road and skidding road24.44.011.64.54.83.39.34.011.93.66.33.513.61.7
road and cable line7.02.444.06.943.07.625.55.950.55.528.66.530.32.3
road and flight path0.90.99.54.011.54.823.35.710.73.412.04.69.71.5
no access intended7.92.57.63.713.95.322.35.715.03.928.86.514.51.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track69.70.927.01.328.21.617.41.414.41.210.41.037.00.5
road and skidding road23.80.918.11.114.51.24.90.88.50.93.40.615.10.4
road and cable line2.30.335.41.428.61.630.41.741.91.619.21.221.30.5
road and flight path0.30.19.10.810.61.121.61.69.21.07.00.87.20.3
no access intended3.90.410.40.918.11.325.71.726.01.459.91.619.50.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #858615/324946
NFI4
forest area
processes in channels SilvaProtect · crown closure
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.6580.0.0.0.0.658
crowded31.976.5175.21943.66
normal32.076.0183.92241.96
loose12.9122.1302.03117.010
open20.891.5352.32924.68
scattered8.9150.21000.21009.314
grouped crowded2.6270.0.0.0.2.627
grouped normal2.5290.4710.21003.026
heterogeneous8.4151.1410.4719.914
total120.6217.81014.211152.71
Eastern Juran/a0.0.0.0.0.0.0.0.
crowded18.180.6580.75819.48
normal17.091.0440.85018.88
loose5.4190.21000.0.5.618
open2.1310.21000.4712.727
scattered0.6570.0.0.21000.849
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total43.232.0312.13147.42
Western Plateaun/a1.4350.0.0.0.1.435
crowded16.991.3400.47118.68
normal13.7111.4370.47115.610
loose3.8220.4710.0.4.221
open5.5180.8500.0.6.317
scattered1.2400.21000.0.1.438
grouped crowded0.4710.0.0.0.0.471
grouped normal0.8490.0.0.0.0.849
heterogeneous0.6570.0.0.0.0.657
total44.334.2210.85049.22
Central Plateaun/a0.21000.4710.21000.850
crowded18.491.7331.33821.58
normal22.481.7330.75024.87
loose6.6170.6570.21007.316
open7.6151.2400.21008.914
scattered2.8260.21000.21003.225
grouped crowded0.4710.21000.0.0.757
grouped normal0.21000.0.0.0.0.2100
heterogeneous1.5350.6580.21002.328
total60.026.6163.12569.71
Eastern Plateaun/a1.0450.0.0.0.1.045
crowded31.972.2300.0.34.16
normal36.561.7330.210038.56
loose16.3100.4710.0.16.710
open12.6120.6580.0.13.212
scattered2.7270.0.0.0.2.727
grouped crowded0.4710.0.0.0.0.471
grouped normal1.1410.0.0.0.1.141
heterogeneous0.9450.0.0.21001.141
total103.614.9200.471108.91
Western Pre-Alpsn/a0.7581.4410.0.2.133
crowded4.3204.6191.63510.511
normal4.1214.4190.31008.813
loose1.4382.2290.0.3.622
open1.2402.9270.4714.521
scattered2.7292.6290.0.5.319
grouped crowded2.7293.1260.0.5.818
grouped normal1.0461.4410.0.2.430
heterogeneous0.31000.6580.4711.241
total18.4923.172.72744.23
Central Pre-Alpsn/a1.7330.6570.21002.527
crowded12.31212.7120.75725.88
normal12.6128.6150.95022.09
loose3.3255.5190.4709.214
open7.7168.9140.47117.010
scattered4.0222.4270.21006.616
grouped crowded3.6220.8500.0.4.420
grouped normal3.4230.7500.0.4.221
heterogeneous5.8185.9180.0.11.712
total54.4546.252.827103.42
Eastern Pre-Alpsn/a0.6581.0450.0.1.635
crowded11.21312.0121.14024.28
normal10.6137.6151.63519.89
loose2.9263.7230.4717.116
open4.9202.5290.0.7.316
scattered3.3241.5380.0.4.820
grouped crowded1.4382.2300.0.3.623
grouped normal3.0252.1310.0.5.119
heterogeneous0.6580.6580.0.1.341
total38.5633.263.12574.82
Northwestern Alpsn/a0.0.1.2400.21001.437
crowded5.2199.9132.13117.29
normal3.3247.7151.04511.911
loose2.6271.6350.0.4.221
open2.4293.5240.21006.217
scattered4.3211.0440.0.5.419
grouped crowded3.5243.1250.4717.017
grouped normal2.3301.5380.0.3.823
heterogeneous2.1312.2300.0.4.321
total25.8831.763.92261.43
Central Alpsn/a0.0.0.0.0.0.0.0.
crowded2.3283.9210.4686.615
normal1.7323.1230.6585.416
loose0.6580.8500.4711.732
open1.6341.7330.21003.522
scattered1.4370.8490.21002.428
grouped crowded2.2300.8490.0.2.925
grouped normal1.6350.8500.0.2.428
heterogeneous1.4370.4710.21002.031
total12.71012.2102.03026.94
Northeastern Alpsn/a0.0.0.6580.0.0.658
crowded1.9315.2181.0458.014
normal1.4385.0180.21006.516
loose1.0451.1450.21002.330
open1.2411.9310.5573.622
scattered1.9312.4270.31004.620
grouped crowded2.3281.3370.5714.121
grouped normal1.5350.9440.21002.626
heterogeneous0.21000.0.0.0.0.2100
total11.41218.482.72632.54
Southwestern Alpsn/a1.2411.4380.4713.126
crowded6.01812.4123.02521.49
normal2.82710.4131.43814.511
loose2.4297.0160.6589.913
open6.51715.2112.62824.38
scattered13.11210.0141.24124.38
grouped crowded3.3242.6280.21006.118
grouped normal1.6352.5280.4714.521
heterogeneous3.2259.1140.85013.012
total40.2670.4310.513121.12
Southeastern Alpsn/a1.0452.1310.6583.723
crowded6.5177.5160.65814.611
normal7.8168.1153.72319.69
loose8.3156.4173.32418.110
open11.71312.9122.82727.48
scattered11.4139.7142.03223.19
grouped crowded10.0146.9170.65817.610
grouped normal9.4148.8150.85019.010
heterogeneous3.3244.7200.4718.415
total69.5467.2414.911151.62
Southern Alpsn/a0.21001.4380.0.1.635
crowded7.61635.273.32546.15
normal5.81821.692.92630.37
loose1.0457.1161.2419.314
open4.92013.6110.47118.910
scattered9.81410.3130.47120.59
grouped crowded3.72310.4130.65814.711
grouped normal3.3248.0150.47111.713
heterogeneous1.2414.2220.0.5.319
total37.57111.639.114158.32
Switzerlandn/a8.71510.0141.73520.310
crowded174.63115.6421.410311.52
normal171.7388.1418.610278.42
loose68.5539.178.715116.24
open90.8567.4510.414168.53
scattered68.1541.474.920114.44
grouped crowded36.6731.582.33070.45
grouped normal31.7827.181.93260.86
heterogeneous29.5829.482.62861.45
total680.11449.5272.451201.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #858616/324947
NFI3
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 1%13.5122.1301.63517.310
1-4%15.0112.1302.52819.69
5-9%22.294.0221.73327.98
10-25%33.274.5203.32441.16
26-50%17.5102.9253.72324.08
51-75%12.1121.2411.24114.511
76-100%6.8171.0450.4718.115
total120.2217.81014.411152.51
Eastern Juraless than 1%5.5190.0.0.4716.018
1-4%5.2190.0.0.4715.618
5-9%5.1190.21000.4705.718
10-25%10.6121.2400.210012.011
26-50%5.8180.21000.7586.717
51-75%4.5200.0.0.0.4.520
76-100%5.7180.4700.0.6.117
total42.432.0312.13146.62
Western Plateauless than 1%3.8230.21000.21004.222
1-4%6.4170.5700.0.6.916
5-9%6.5171.0440.0.7.515
10-25%13.1111.6350.47115.110
26-50%8.4150.6580.0.9.014
51-75%4.9200.4710.21005.518
76-100%1.7350.0.0.0.1.735
total44.734.4210.85049.92
Central Plateauless than 1%4.3210.21000.21004.620
1-4%7.5150.4700.0.7.915
5-9%8.1150.21000.4718.714
10-25%15.9102.9250.85019.69
26-50%12.2122.3290.94515.510
51-75%9.4130.4700.47010.213
76-100%3.4230.21000.21003.821
total60.926.6162.92670.31
Eastern Plateauless than 1%9.8140.0.0.0.9.814
1-4%13.6110.4710.0.14.011
5-9%14.4110.21000.0.14.611
10-25%25.981.6350.0.27.57
26-50%17.1101.0450.0.18.110
51-75%13.4111.5350.47115.411
76-100%8.7140.21000.0.8.814
total102.814.9200.471108.11
Western Pre-Alpsless than 1%0.9451.3380.0.2.228
1-4%3.7233.9230.21007.815
5-9%2.7283.7230.4716.816
10-25%5.5187.5161.24114.310
26-50%4.1225.9180.65810.613
51-75%1.0500.8500.31002.033
76-100%0.21000.5570.0.0.750
total18.2923.672.72744.43
Central Pre-Alpsless than 1%2.4292.4290.0.4.820
1-4%7.9155.4180.210013.511
5-9%9.9149.6140.75820.29
10-25%15.71117.1101.73534.66
26-50%11.2136.2180.0.17.410
51-75%3.8234.5210.21008.515
76-100%0.7581.0450.0.1.635
total51.6546.252.827100.62
Eastern Pre-Alpsless than 1%4.0213.7220.21007.915
1-4%5.8186.0170.65712.312
5-9%7.5165.0191.14013.611
10-25%9.1149.9130.65819.69
26-50%7.0175.0200.65812.612
51-75%2.5293.7230.0.6.218
76-100%0.9500.6580.0.1.537
total36.7633.963.12573.82
Northwestern Alpsless than 1%1.8331.7330.21003.722
1-4%4.1224.4200.4718.914
5-9%5.7186.1181.24113.112
10-25%6.31711.5121.14518.99
26-50%3.9234.6210.6589.114
51-75%1.9332.5280.21004.621
76-100%1.2410.8500.6582.727
total24.9831.764.32160.93
Central Alpsless than 1%1.6351.3370.21003.124
1-4%2.9252.7250.21005.816
5-9%1.7332.2290.4714.320
10-25%3.2243.1240.8477.115
26-50%2.0311.4370.4713.722
51-75%0.8490.6580.0.1.437
76-100%0.6570.0.0.0.0.657
total12.71011.2102.03026.04
Northeastern Alpsless than 1%1.3381.4380.5713.224
1-4%2.0303.1230.4735.517
5-9%1.3412.8260.4714.420
10-25%2.6264.5201.1418.214
26-50%1.3413.4220.21004.919
51-75%0.7501.3370.21002.228
76-100%0.5571.5370.0.2.131
total9.81318.082.72630.64
Southwestern Alpsless than 1%1.0452.5270.8504.321
1-4%4.62112.1121.83318.410
5-9%7.41616.8102.92627.18
10-25%13.41223.483.22440.16
26-50%5.81810.8131.04517.610
51-75%2.7273.0260.4716.118
76-100%0.4710.6580.21001.241
total35.3769.2310.313114.82
Southeastern Alpsless than 1%3.5246.8172.23012.512
1-4%12.71215.1112.42930.17
5-9%13.51212.0122.82728.28
10-25%19.61018.0105.31942.86
26-50%9.91410.7131.63522.29
51-75%4.0223.0260.21007.116
76-100%2.0310.4710.21002.628
total65.1565.8414.711145.62
Southern Alpsless than 1%1.0455.7180.0.6.717
1-4%5.11919.091.43825.58
5-9%7.51625.882.62736.07
10-25%9.41436.873.12549.25
26-50%7.81614.8111.04523.69
51-75%2.4297.3160.65810.213
76-100%0.4711.6350.4712.429
total33.67111.039.114153.72
Switzerlandless than 1%54.4629.586.41890.35
1-4%96.5474.8510.614181.93
5-9%113.5489.6415.011218.13
10-25%183.53143.6323.09350.12
26-50%113.9469.8511.213194.93
51-75%64.2530.284.22298.54
76-100%33.178.7152.03243.96
total659.11446.2272.451177.71
© WSL, Swiss National Forest Inventory, 18.06.2020 #858617/324948
NFI3
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 1%12.1121.9311.63515.611
1-4%13.3122.1302.32917.810
5-9%20.994.0221.53526.58
10-25%31.674.5203.32439.46
26-50%17.3102.7263.72323.68
51-75%11.5131.2411.24113.911
76-100%6.6171.0450.4718.015
total113.3217.41014.011144.81
Eastern Juraless than 1%5.3190.0.0.4715.818
1-4%5.2190.0.0.4715.618
5-9%5.1190.21000.4705.718
10-25%10.6121.2400.210012.011
26-50%5.6180.21000.7586.517
51-75%4.3210.0.0.0.4.321
76-100%5.5180.4700.0.5.918
total41.632.0312.13145.72
Western Plateauless than 1%3.6240.21000.21004.022
1-4%6.2170.5700.0.6.617
5-9%5.9181.0440.0.6.916
10-25%12.3121.4370.47114.111
26-50%7.8150.6580.0.8.415
51-75%4.7200.4710.21005.319
76-100%1.7350.0.0.0.1.735
total42.034.2210.85047.02
Central Plateauless than 1%3.9220.21000.21004.221
1-4%7.4150.4700.0.7.715
5-9%7.9150.21000.4718.514
10-25%15.5102.9250.85019.29
26-50%12.0122.3290.94515.310
51-75%9.4130.4700.47010.213
76-100%3.4230.21000.21003.821
total59.536.6162.92669.01
Eastern Plateauless than 1%9.6140.0.0.0.9.614
1-4%13.4110.4710.0.13.811
5-9%13.9110.21000.0.14.211
10-25%25.281.6350.0.26.77
26-50%16.9101.0450.0.17.910
51-75%12.7121.5350.47114.611
76-100%8.7140.21000.0.8.814
total100.424.9200.471105.61
Western Pre-Alpsless than 1%0.9451.3380.0.2.228
1-4%3.5243.9230.21007.615
5-9%2.7283.7230.4716.816
10-25%4.3216.8161.24112.411
26-50%3.2255.1200.6588.814
51-75%1.0500.8500.31002.033
76-100%0.0.0.5570.0.0.557
total15.61022.072.72740.33
Central Pre-Alpsless than 1%2.0312.4290.0.4.421
1-4%7.5164.9200.210012.512
5-9%9.0159.2140.75818.810
10-25%14.81117.0101.73533.47
26-50%10.4135.8190.0.16.210
51-75%3.6234.5210.21008.315
76-100%0.7580.7500.0.1.438
total47.9544.452.82795.12
Eastern Pre-Alpsless than 1%3.2243.1250.21006.516
1-4%5.1195.6180.65711.312
5-9%7.1174.9191.14013.111
10-25%8.4159.4140.65818.59
26-50%6.3174.4210.65811.312
51-75%2.1313.7230.0.5.818
76-100%0.9500.4710.0.1.341
total33.1631.563.12567.73
Northwestern Alpsless than 1%1.8331.7330.21003.722
1-4%2.5284.1210.4717.016
5-9%3.9225.9180.85010.613
10-25%4.52111.1120.95016.510
26-50%2.8264.0220.6587.416
51-75%1.5382.3290.21004.022
76-100%0.6580.6580.6581.933
total17.61029.863.72351.13
Central Alpsless than 1%1.2411.2400.21002.527
1-4%2.3282.5260.21005.017
5-9%1.5352.0310.4713.921
10-25%2.4282.3270.8475.417
26-50%1.4371.2400.4712.925
51-75%0.4700.4710.0.0.850
76-100%0.4710.0.0.0.0.471
total9.5129.5112.03020.95
Northeastern Alpsless than 1%1.3381.4380.5713.224
1-4%1.8322.9240.4735.218
5-9%1.3412.2300.4713.822
10-25%1.7334.1211.1416.916
26-50%0.7583.0230.21003.921
51-75%0.4711.1400.21001.733
76-100%0.4711.5370.0.1.933
total7.61516.392.72626.65
Southwestern Alpsless than 1%0.8502.3290.6583.723
1-4%3.02611.7121.83316.410
5-9%4.62115.4102.92622.98
10-25%9.91422.093.22435.26
26-50%4.2229.8141.04515.011
51-75%1.8332.6280.4714.820
76-100%0.21000.6580.21001.045
total24.5864.4410.11399.02
Southeastern Alpsless than 1%2.9276.4172.03211.313
1-4%10.81314.2112.23027.38
5-9%11.91310.9132.42925.28
10-25%15.81114.8114.52135.17
26-50%7.1168.9141.43817.410
51-75%1.4382.3290.21003.922
76-100%0.8500.21000.21001.241
total50.6557.8512.912121.32
Southern Alpsless than 1%0.6585.7180.0.6.317
1-4%3.12517.6101.43822.29
5-9%4.62122.192.33029.08
10-25%6.31731.872.92640.96
26-50%3.62312.2120.65816.510
51-75%1.4385.2190.4716.917
76-100%0.4710.6580.21001.241
total20.1995.237.816123.12
Switzerlandless than 1%49.2627.986.01883.15
1-4%85.2570.7510.114166.03
5-9%100.3481.9513.612195.83
10-25%163.13130.9421.89315.82
26-50%99.4461.2610.614171.23
51-75%56.1626.494.02286.65
76-100%30.186.9171.83338.87
total583.41406.1267.951057.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #858618/324949
NFI3
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 1%13.3121.9311.63516.910
1-4%14.5112.1302.32919.010
5-9%21.894.0221.73327.58
10-25%32.874.5203.32440.76
26-50%17.5102.9253.72324.08
51-75%11.9121.2411.24114.311
76-100%6.8171.0450.4718.115
total118.6217.61014.211150.51
Eastern Juraless than 1%5.5190.0.0.4716.018
1-4%5.2190.0.0.4715.618
5-9%5.1190.21000.4705.718
10-25%10.6121.2400.210012.011
26-50%5.8180.21000.7586.717
51-75%4.5200.0.0.0.4.520
76-100%5.7180.4700.0.6.117
total42.432.0312.13146.62
Western Plateauless than 1%3.6240.21000.21004.022
1-4%6.4170.5700.0.6.916
5-9%6.3171.0440.0.7.316
10-25%12.8111.4370.47114.710
26-50%8.4150.6580.0.9.014
51-75%4.9200.4710.21005.518
76-100%1.7350.0.0.0.1.735
total44.134.2210.85049.12
Central Plateauless than 1%4.0210.21000.21004.420
1-4%7.4150.4700.0.7.715
5-9%7.9150.21000.4718.514
10-25%15.5102.9250.85019.29
26-50%12.0122.3290.94515.310
51-75%9.4130.4700.47010.213
76-100%3.4230.21000.21003.821
total59.736.6162.92669.11
Eastern Plateauless than 1%9.6140.0.0.0.9.614
1-4%13.6110.4710.0.14.011
5-9%14.2110.21000.0.14.411
10-25%25.781.6350.0.27.37
26-50%17.1101.0450.0.18.110
51-75%13.4111.5350.47115.411
76-100%8.7140.21000.0.8.814
total102.314.9200.471107.61
Western Pre-Alpsless than 1%0.9451.3380.0.2.228
1-4%3.5243.9230.21007.615
5-9%2.7283.7230.4716.816
10-25%5.3197.2161.24113.811
26-50%4.1225.8180.65810.513
51-75%1.0500.8500.31002.033
76-100%0.0.0.5570.0.0.557
total17.6923.172.72743.33
Central Pre-Alpsless than 1%2.0312.4290.0.4.421
1-4%7.9155.1190.210013.112
5-9%9.9149.2140.75819.89
10-25%15.71117.1101.73534.66
26-50%11.2136.2180.0.17.410
51-75%3.8234.5210.21008.515
76-100%0.7581.0450.0.1.635
total51.2545.452.82799.42
Eastern Pre-Alpsless than 1%3.8223.5230.21007.515
1-4%5.8185.6180.65711.912
5-9%7.5165.0191.14013.611
10-25%8.9159.6140.65819.19
26-50%7.0174.8200.65812.412
51-75%2.5293.7230.0.6.218
76-100%0.9500.6580.0.1.537
total36.3632.963.12572.32
Northwestern Alpsless than 1%1.8331.7330.21003.722
1-4%3.9234.1210.4718.515
5-9%4.9206.1181.04412.112
10-25%6.11811.5120.95018.59
26-50%3.9234.6210.6589.114
51-75%1.9332.3290.21004.421
76-100%1.2410.8500.6582.727
total23.7831.363.92258.93
Central Alpsless than 1%1.4381.3370.21002.925
1-4%2.9252.7250.21005.816
5-9%1.7332.2290.4714.320
10-25%2.8263.1240.8476.715
26-50%2.0311.4370.4713.722
51-75%0.8490.6580.0.1.437
76-100%0.6570.0.0.0.0.657
total12.11111.2102.03025.44
Northeastern Alpsless than 1%1.3381.4380.5713.224
1-4%2.0303.1230.4735.517
5-9%1.3412.6270.4714.221
10-25%2.2284.3211.1417.715
26-50%1.3413.4220.21004.919
51-75%0.7501.3370.21002.228
76-100%0.5571.5370.0.2.131
total9.51317.682.72629.85
Southwestern Alpsless than 1%1.0452.5270.8504.321
1-4%3.82312.1121.83317.610
5-9%7.21616.8102.92626.98
10-25%13.41223.483.22440.16
26-50%5.81810.8131.04517.610
51-75%2.7273.0260.4716.118
76-100%0.4710.6580.21001.241
total34.3769.2310.313113.82
Southeastern Alpsless than 1%3.5246.6172.23012.312
1-4%12.51214.7112.42929.57
5-9%13.11212.0122.62827.68
10-25%19.01018.0105.11942.06
26-50%9.71410.7131.63522.09
51-75%3.8233.0260.21006.917
76-100%2.0310.21000.21002.429
total63.5565.0414.311142.82
Southern Alpsless than 1%1.0455.7180.0.6.717
1-4%4.92018.691.43824.98
5-9%6.51725.682.62734.87
10-25%9.41436.072.92648.36
26-50%7.41614.4111.04522.89
51-75%2.4297.3160.65810.213
76-100%0.4711.4380.4712.230
total32.07109.038.915150.02
Switzerlandless than 1%52.8628.986.41888.15
1-4%94.3473.1510.414177.73
5-9%110.1488.8414.612213.53
10-25%180.33141.9322.49344.62
26-50%113.1469.1511.213193.43
51-75%63.8530.084.22297.94
76-100%32.978.3152.03243.37
total647.31440.1271.251158.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #858619/324950
NFI3
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 1%13.1112.3271.63317.010
1-4%14.9102.1292.32819.39
5-9%21.293.8211.63326.68
10-25%34.464.7193.42342.46
26-50%18.592.8253.52224.88
51-75%11.9121.1411.23814.211
76-100%6.8160.9450.4718.114
total120.8217.6913.911152.31
Eastern Juraless than 1%5.4180.0.0.4715.817
1-4%4.8190.0.0.4715.218
5-9%5.0190.21000.4705.617
10-25%10.4121.3370.210011.911
26-50%5.9170.21000.6586.716
51-75%5.1180.21000.0.5.318
76-100%5.6170.4700.21006.216
total42.232.2282.13046.52
Western Plateauless than 1%3.8220.21000.21004.221
1-4%6.7160.4700.0.7.115
5-9%6.7150.9450.0.7.714
10-25%13.2101.6330.47115.29
26-50%7.7150.8500.0.8.514
51-75%4.8190.4710.21005.318
76-100%1.5350.0.0.0.1.535
total44.534.3200.75049.62
Central Plateauless than 1%4.7190.21000.21005.118
1-4%6.8150.3700.0.7.215
5-9%8.2140.3710.3718.913
10-25%16.193.2220.75020.08
26-50%12.5112.2271.04115.79
51-75%8.7130.3700.5589.512
76-100%3.8200.11000.3714.319
total60.926.7153.02370.71
Eastern Plateauless than 1%9.2130.0.0.0.9.213
1-4%14.0100.7500.0.14.710
5-9%14.4100.21000.0.14.510
10-25%25.771.8310.0.27.47
26-50%17.290.9450.0.18.19
51-75%13.2111.4350.47115.010
76-100%8.4130.21000.0.8.513
total102.015.1180.471107.51
Western Pre-Alpsless than 1%0.8451.4350.0.2.228
1-4%3.9213.6220.21007.714
5-9%2.3284.0200.3716.615
10-25%5.4177.7141.14114.210
26-50%3.8216.3160.75010.812
51-75%1.0450.7500.5702.230
76-100%0.21000.5570.0.0.650
total17.5824.162.72544.33
Central Pre-Alpsless than 1%2.2292.3280.0.4.520
1-4%8.0145.8170.47114.210
5-9%9.7139.8130.65820.19
10-25%15.31017.491.53534.16
26-50%10.7126.4170.0.17.110
51-75%3.6224.8190.21008.614
76-100%0.6580.9450.0.1.535
total50.1547.452.726100.22
Eastern Pre-Alpsless than 1%3.9213.2230.21007.315
1-4%6.0176.2160.55712.711
5-9%6.6166.2161.13713.910
10-25%9.3139.5130.75019.58
26-50%7.1155.1180.55812.711
51-75%2.4283.8210.0.6.217
76-100%0.8500.8500.0.1.535
total36.0634.753.02373.72
Northwestern Alpsless than 1%1.9301.5330.21003.621
1-4%3.8224.8180.5589.113
5-9%5.0187.0151.04113.011
10-25%6.01711.3121.14118.49
26-50%3.7224.5190.5588.814
51-75%2.0302.7250.21004.919
76-100%1.1410.7500.5582.328
total23.4832.554.02060.03
Central Alpsless than 1%1.6331.4350.21003.223
1-4%3.0242.8240.21006.016
5-9%1.8312.2280.4714.419
10-25%2.9242.9240.8476.615
26-50%2.1281.3370.4713.821
51-75%0.9440.9440.21002.029
76-100%0.5570.0.0.0.0.557
total12.81011.5102.12926.44
Northeastern Alpsless than 1%1.4351.3380.4713.024
1-4%2.2272.9230.4725.516
5-9%1.6332.4260.3714.419
10-25%2.5254.6191.0418.113
26-50%1.3383.6200.21005.017
51-75%1.1371.2370.21002.525
76-100%0.7501.4370.0.2.130
total10.81117.382.52630.74
Southwestern Alpsless than 1%1.4352.3270.7504.420
1-4%5.11812.2111.83119.19
5-9%7.11615.8102.82525.77
10-25%13.71123.182.92439.76
26-50%5.71711.4120.94517.99
51-75%3.3233.0240.3716.616
76-100%0.5580.5580.21001.338
total36.8668.339.613114.72
Southeastern Alpsless than 1%3.3236.5162.22912.012
1-4%12.41214.8102.92530.17
5-9%13.41112.0123.02428.47
10-25%20.2917.794.71942.66
26-50%9.81310.7121.43521.98
51-75%4.1213.0240.3717.415
76-100%2.0300.5580.21002.726
total65.1465.2414.810145.12
Southern Alpsless than 1%0.9456.1170.21007.116
1-4%4.91918.791.33824.98
5-9%7.31527.572.32737.26
10-25%9.61335.363.02447.95
26-50%7.61514.5110.94523.08
51-75%2.1297.8150.55810.413
76-100%0.4711.6330.4712.328
total32.87111.528.614152.92
Switzerlandless than 1%53.6628.686.31788.54
1-4%96.5475.5510.813182.83
5-9%110.4492.4414.211217.03
10-25%184.63142.0321.59348.12
26-50%113.8470.6510.513194.83
51-75%64.1531.274.620100.04
76-100%32.978.4152.12943.46
total655.81448.7170.151174.60
© WSL, Swiss National Forest Inventory, 18.06.2020 #858620/324951
NFI4
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 1%2.8270.4710.4703.623
1-4%12.6121.7331.24115.511
5-9%17.7103.3243.62324.68
10-25%32.575.9183.12541.56
26-50%21.793.1252.52827.38
51-75%16.5102.7261.63520.89
76-100%9.5140.4711.63511.513
total113.3217.41014.011144.81
Eastern Juraless than 1%2.3300.0.0.21002.528
1-4%4.4210.21000.21004.820
5-9%3.0260.21000.4713.623
10-25%10.4130.8500.75811.912
26-50%8.4150.4700.0.8.814
51-75%5.3190.0.0.6585.918
76-100%7.8140.4710.0.8.214
total41.632.0312.13145.72
Western Plateauless than 1%2.1310.0.0.0.2.131
1-4%5.8180.0.0.21006.018
5-9%6.5170.21000.0.6.817
10-25%13.0112.1310.47115.510
26-50%7.2151.4370.0.8.714
51-75%4.8200.5700.0.5.219
76-100%2.6270.0.0.21002.826
total42.034.2210.85047.02
Central Plateauless than 1%4.8190.21000.21005.219
1-4%5.8171.0440.0.6.816
5-9%4.7190.0.0.8505.518
10-25%12.6112.5271.04416.110
26-50%13.8112.7260.47116.810
51-75%11.9120.0.0.65812.511
76-100%5.9180.21000.0.6.117
total59.536.6162.92669.01
Eastern Plateauless than 1%4.5200.21000.0.4.720
1-4%8.9140.0.0.0.8.914
5-9%10.3130.6570.0.10.913
10-25%25.780.9450.0.26.77
26-50%20.591.3380.0.21.99
51-75%15.5111.8330.47117.710
76-100%14.9100.0.0.0.14.910
total100.424.9200.471105.61
Western Pre-Alpsless than 1%1.5351.6360.0.3.025
1-4%3.0263.2240.21006.417
5-9%2.1322.8250.4735.419
10-25%4.2228.4141.63514.210
26-50%2.0323.3250.5725.818
51-75%2.5292.3300.0.4.820
76-100%0.21000.4730.0.0.659
total15.61022.072.72740.33
Central Pre-Alpsless than 1%1.7331.1410.0.2.826
1-4%7.3164.8200.47112.512
5-9%9.3148.5150.47018.210
10-25%16.81017.7100.75835.26
26-50%7.1166.8171.14515.111
51-75%4.2223.5240.21007.816
76-100%1.4382.1320.0.3.524
total47.9544.452.82795.12
Eastern Pre-Alpsless than 1%2.8253.7210.6587.015
1-4%5.6195.5180.47111.612
5-9%5.3192.8250.21008.315
10-25%9.6148.6141.24119.39
26-50%5.4197.9150.47113.711
51-75%3.0261.7350.21004.820
76-100%1.4381.3380.21002.926
total33.1631.563.12567.73
Northwestern Alpsless than 1%1.1441.3370.4712.726
1-4%3.0255.8180.4719.214
5-9%3.6236.2170.210010.013
10-25%6.5179.9130.95017.39
26-50%1.8333.9220.8506.517
51-75%1.1441.7350.4713.125
76-100%0.6581.0450.6582.330
total17.61029.863.72351.13
Central Alpsless than 1%0.21000.8500.4711.337
1-4%2.7261.3360.0.4.020
5-9%1.4372.2260.21003.820
10-25%3.3232.1290.8496.316
26-50%1.5342.4280.6584.519
51-75%0.4710.6570.0.1.045
76-100%0.0.0.0.0.0.0.0.
total9.5129.5112.03020.95
Northeastern Alpsless than 1%1.3381.9310.31003.422
1-4%1.9323.4240.5585.817
5-9%1.5381.4380.4733.324
10-25%1.7334.9190.8517.415
26-50%0.4732.3290.4713.025
51-75%0.4701.8330.4712.627
76-100%0.3710.8490.0.1.140
total7.61516.392.72626.65
Southwestern Alpsless than 1%1.0454.7201.0456.617
1-4%5.41916.8102.13024.48
5-9%6.01812.7122.42921.19
10-25%8.01520.893.12532.07
26-50%2.6288.1151.43812.112
51-75%1.0451.3410.21002.529
76-100%0.4710.0.0.0.0.471
total24.5864.4410.11399.02
Southeastern Alpsless than 1%6.31812.4121.63520.39
1-4%14.31112.0124.32130.77
5-9%7.61610.3131.83319.79
10-25%15.31115.0113.92234.27
26-50%4.0226.6170.65811.313
51-75%2.4291.2410.6584.321
76-100%0.6580.21000.0.0.850
total50.6557.8512.912121.32
Southern Alpsless than 1%2.92611.5130.210014.711
1-4%4.42125.481.83331.67
5-9%4.22223.191.93329.27
10-25%5.81824.582.62732.97
26-50%2.2306.9171.24110.413
51-75%0.6572.6280.0.3.125
76-100%0.0.1.2410.0.1.241
total20.1995.237.816123.12
Switzerlandless than 1%35.2739.775.22080.25
1-4%85.3581.1511.813178.23
5-9%83.3574.3512.812170.33
10-25%165.63124.2420.610310.32
26-50%98.8457.269.914165.93
51-75%69.4521.5105.22096.14
76-100%45.768.0162.62856.36
total583.41406.1267.951057.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #858621/324952
NFI4
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 1%3.6230.4710.4704.421
1-4%15.3111.7331.24118.210
5-9%18.7103.3243.62325.68
10-25%34.176.3173.32443.76
26-50%22.393.1252.52827.98
51-75%16.9102.7261.63521.29
76-100%9.7140.4711.63511.713
total120.6217.81014.211152.71
Eastern Juraless than 1%2.3300.0.0.21002.528
1-4%4.4210.21000.21004.820
5-9%3.0260.21000.4713.623
10-25%11.0120.8500.75812.511
26-50%8.7140.4700.0.9.114
51-75%5.5190.0.0.6586.118
76-100%8.3140.4710.0.8.714
total43.232.0312.13147.42
Western Plateauless than 1%2.3300.0.0.0.2.330
1-4%6.3170.0.0.21006.517
5-9%7.3160.21000.0.7.516
10-25%13.4112.1310.47115.910
26-50%7.2151.4370.0.8.714
51-75%5.2190.5700.0.5.618
76-100%2.6270.0.0.21002.826
total44.334.2210.85049.22
Central Plateauless than 1%4.8190.21000.21005.219
1-4%6.0171.0440.0.7.016
5-9%4.9190.0.0.8505.718
10-25%12.6112.5271.04416.110
26-50%13.8112.7260.65817.09
51-75%11.9120.0.0.65812.511
76-100%6.0170.21000.0.6.217
total60.026.6163.12569.71
Eastern Plateauless than 1%4.7200.21000.0.4.919
1-4%9.2140.0.0.0.9.214
5-9%10.5130.6570.0.11.212
10-25%26.580.9450.0.27.47
26-50%21.391.3380.0.22.68
51-75%16.0101.8330.47118.210
76-100%15.4100.0.0.0.15.410
total103.614.9200.471108.91
Western Pre-Alpsless than 1%1.5351.6360.0.3.025
1-4%3.0263.2240.21006.417
5-9%2.4303.1240.4735.818
10-25%5.6199.1141.63516.210
26-50%2.7283.3250.5726.517
51-75%3.0272.3300.0.5.319
76-100%0.21000.6590.0.0.851
total18.4923.172.72744.23
Central Pre-Alpsless than 1%1.9321.1410.0.3.025
1-4%8.7155.0200.47114.111
5-9%10.4148.7150.47019.69
10-25%18.41018.1100.75837.16
26-50%8.5157.2161.14516.910
51-75%4.8203.9230.21008.815
76-100%1.6352.3300.0.3.923
total54.4546.252.827103.42
Eastern Pre-Alpsless than 1%3.8223.9210.6588.214
1-4%6.4176.0180.47112.812
5-9%6.2183.2240.21009.614
10-25%10.5138.8141.24120.49
26-50%6.4188.4150.47115.211
51-75%3.4251.7350.21005.319
76-100%1.8331.3380.21003.424
total38.5633.263.12574.82
Northwestern Alpsless than 1%2.1311.3370.4713.722
1-4%4.0225.8180.47110.213
5-9%4.4216.8160.210011.512
10-25%9.81410.5131.14421.48
26-50%3.0254.4210.8508.215
51-75%1.7351.9330.4713.922
76-100%0.8501.0450.6582.529
total25.8831.763.92261.43
Central Alpsless than 1%0.21000.8500.4711.337
1-4%2.9251.3360.0.4.320
5-9%2.0312.2260.21004.419
10-25%4.1213.5220.8498.413
26-50%2.8263.6220.6586.915
51-75%0.8500.8500.0.1.635
76-100%0.0.0.0.0.0.0.0.
total12.71012.2102.03026.94
Northeastern Alpsless than 1%2.0302.1300.31004.320
1-4%2.1303.7220.5586.416
5-9%1.7351.5360.4733.723
10-25%3.3245.8170.8519.913
26-50%1.0452.3290.4713.622
51-75%1.0442.2300.4713.523
76-100%0.3710.8490.0.1.140
total11.41218.482.72632.54
Southwestern Alpsless than 1%2.2304.9201.0458.115
1-4%8.91518.392.13029.37
5-9%10.31414.9112.42927.68
10-25%11.41321.493.52336.46
26-50%5.1209.6141.43816.011
51-75%1.7351.4380.21003.325
76-100%0.6580.0.0.0.0.658
total40.2670.4310.513121.12
Southeastern Alpsless than 1%7.71613.2121.83322.79
1-4%17.71014.4114.72036.87
5-9%9.81411.9122.03223.79
10-25%20.9916.6104.92042.46
26-50%7.9169.2140.85017.910
51-75%4.7201.7350.6586.917
76-100%0.8500.21000.0.1.045
total69.5467.2414.911151.62
Southern Alpsless than 1%5.11912.1120.210017.410
1-4%8.31529.372.23039.96
5-9%7.71627.281.93336.87
10-25%10.11428.483.22541.76
26-50%4.7209.6141.63516.011
51-75%1.2413.3240.0.4.521
76-100%0.4711.6350.0.1.931
total37.57111.639.114158.32
Switzerlandless than 1%44.2741.775.41991.34
1-4%103.3489.8412.612205.73
5-9%99.2483.9513.012196.13
10-25%191.73134.8423.09349.62
26-50%115.3466.4510.714192.43
51-75%77.5524.095.220106.74
76-100%48.768.8152.62860.15
total680.11449.5272.451201.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #858622/324953
NFI4
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 1%3.2250.4710.4704.022
1-4%14.9111.7331.24117.810
5-9%18.5103.3243.62325.48
10-25%33.576.1173.32442.96
26-50%22.193.1252.52827.78
51-75%16.7102.7261.63521.09
76-100%9.7140.4711.63511.713
total118.6217.61014.211150.51
Eastern Juraless than 1%2.3300.0.0.21002.528
1-4%4.4210.21000.21004.820
5-9%3.0260.21000.4713.623
10-25%10.6130.8500.75812.112
26-50%8.7140.4700.0.9.114
51-75%5.5190.0.0.6586.118
76-100%7.9140.4710.0.8.414
total42.432.0312.13146.62
Western Plateauless than 1%2.3300.0.0.0.2.330
1-4%6.1180.0.0.21006.317
5-9%7.3160.21000.0.7.516
10-25%13.4112.1310.47115.910
26-50%7.2151.4370.0.8.714
51-75%5.2190.5700.0.5.618
76-100%2.6270.0.0.21002.826
total44.134.2210.85049.12
Central Plateauless than 1%4.8190.21000.21005.219
1-4%5.8171.0440.0.6.816
5-9%4.9190.0.0.8505.718
10-25%12.6112.5271.04416.110
26-50%13.8112.7260.47116.810
51-75%11.9120.0.0.65812.511
76-100%5.9180.21000.0.6.117
total59.736.6162.92669.11
Eastern Plateauless than 1%4.7200.21000.0.4.919
1-4%9.0140.0.0.0.9.014
5-9%10.5130.6570.0.11.212
10-25%25.980.9450.0.26.97
26-50%20.791.3380.0.22.18
51-75%16.0101.8330.47118.210
76-100%15.4100.0.0.0.15.410
total102.314.9200.471107.61
Western Pre-Alpsless than 1%1.5351.6360.0.3.025
1-4%3.0263.2240.21006.417
5-9%2.1323.1240.4735.618
10-25%5.0209.1141.63515.610
26-50%2.7283.3250.5726.517
51-75%3.0272.3300.0.5.319
76-100%0.21000.6590.0.0.851
total17.6923.172.72743.33
Central Pre-Alpsless than 1%1.9321.1410.0.3.025
1-4%8.3155.0200.47113.712
5-9%10.0148.5150.47018.910
10-25%17.61017.9100.75836.16
26-50%7.7167.0171.14515.911
51-75%4.2223.7230.21008.015
76-100%1.4382.3300.0.3.723
total51.2545.452.82799.42
Eastern Pre-Alpsless than 1%3.6233.9210.6588.114
1-4%5.8185.7180.47111.912
5-9%6.0183.2240.21009.414
10-25%10.2138.8141.24120.29
26-50%5.8188.4150.47114.611
51-75%3.4251.7350.21005.319
76-100%1.4381.3380.21002.926
total36.3632.963.12572.32
Northwestern Alpsless than 1%1.9331.3370.4713.523
1-4%3.8225.8180.47110.013
5-9%4.2216.4170.210010.812
10-25%8.61510.5131.14420.29
26-50%3.0254.4210.8508.215
51-75%1.5371.9330.4713.723
76-100%0.8501.0450.6582.529
total23.7831.363.92258.93
Central Alpsless than 1%0.21000.8500.4711.337
1-4%2.9251.3360.0.4.320
5-9%1.7332.2260.21004.219
10-25%3.7223.0240.8497.514
26-50%2.8263.4230.6586.715
51-75%0.8500.6570.0.1.437
76-100%0.0.0.0.0.0.0.0.
total12.11111.2102.03025.44
Northeastern Alpsless than 1%1.4352.1300.31003.821
1-4%1.9323.6230.5586.017
5-9%1.7351.5360.4733.723
10-25%2.5285.4180.8518.713
26-50%1.0452.3290.4713.622
51-75%0.6562.0310.4712.925
76-100%0.3710.8490.0.1.140
total9.51317.682.72629.85
Southwestern Alpsless than 1%1.4384.9201.0457.216
1-4%7.81618.192.13028.07
5-9%9.51414.5112.42926.38
10-25%9.81421.493.32434.66
26-50%4.1228.9141.43814.411
51-75%1.0451.4380.21002.727
76-100%0.6580.0.0.0.0.658
total34.3769.2310.313113.82
Southeastern Alpsless than 1%7.71612.8121.83322.39
1-4%15.91113.8124.52134.37
5-9%8.61511.7132.03222.39
10-25%18.71016.4104.52139.66
26-50%7.2168.6150.85016.710
51-75%4.5211.5370.6586.517
76-100%0.8500.21000.0.1.045
total63.5565.0414.311142.82
Southern Alpsless than 1%3.92212.1120.210016.210
1-4%6.71729.172.23038.16
5-9%7.31626.081.93335.27
10-25%9.11427.483.02639.66
26-50%3.6239.4141.63514.611
51-75%1.0443.3240.0.4.321
76-100%0.4711.6350.0.1.931
total32.07109.038.915150.02
Switzerlandless than 1%40.8741.375.41987.55
1-4%96.5488.5412.413197.43
5-9%95.4481.4513.012189.83
10-25%181.33132.3422.29335.92
26-50%110.5464.6510.514185.53
51-75%75.1523.395.220103.64
76-100%47.568.8152.62858.96
total647.31440.1271.251158.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #858623/324954
NFI3
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
processes in channels SilvaProtectdegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aless than 1%18.71017.0107.1178.9151.04552.66
1-4%19.81027.3817.01025.094.92094.04
5-9%26.9828.4820.21028.186.517110.14
10-25%43.4654.1530.0843.579.414180.43
26-50%23.4937.3722.3922.597.416112.84
51-75%16.51127.987.2179.8142.42963.95
76-100%11.91214.0111.5384.8200.47132.68
total160.62206.01105.33142.5332.07646.41
inside perimeterless than 1%2.0310.4717.21613.6125.71828.88
1-4%2.2301.24114.51136.9718.6973.45
5-9%4.3211.43817.71039.4725.6888.54
10-25%5.8186.01833.9760.7536.07142.33
26-50%3.1253.92216.51131.3814.41169.35
51-75%1.2412.4299.11510.2147.31630.18
76-100%1.4380.4712.2303.0261.4388.315
total20.0915.611101.03195.02109.03440.72
outside perimeterless than 1%2.0310.4710.21003.8230.0.6.418
1-4%2.8270.0.1.1455.1201.43810.414
5-9%2.2300.4712.2307.3162.62714.812
10-25%3.6231.2413.62411.3132.92622.59
26-50%4.3211.0451.2413.7231.04511.313
51-75%1.2411.0450.4711.0450.6584.222
76-100%0.4710.21000.0.1.0450.4712.032
total16.5114.2228.71533.378.91571.65
totalless than 1%22.7917.71014.41126.286.71787.85
1-4%24.7828.5832.6767.0524.98177.83
5-9%33.4730.2840.2774.8534.87213.43
10-25%52.9561.2567.45115.4448.36345.22
26-50%30.8742.2640.0757.5522.89193.43
51-75%18.91031.3716.71121.01010.21398.24
76-100%13.71214.6113.7238.8152.23042.97
total197.11225.71215.11370.81150.021158.71
© WSL, Swiss National Forest Inventory, 18.06.2020 #858624/324955
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