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NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
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
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago8.51528.4827.5813.6114.72182.73
11-20 years ago4.72011.7124.7202.6284.52128.28
21-30 years ago2.0315.9183.1253.1257.51621.59
31-40 years ago0.4711.0451.3381.0454.2217.915
41-50 years ago0.21000.0.0.0.1.0451.7332.826
over 50 years ago1.4380.8501.0450.4713.9227.416
total17.11047.8537.5621.6926.58150.51
Eastern Juraless than 10 years ago3.82210.11210.6134.9200.84930.25
11-20 years ago0.4712.6273.3240.8501.1458.315
21-30 years ago0.21000.4711.6351.2401.0444.520
31-40 years ago0.0.0.0.0.4710.21000.8491.537
41-50 years ago0.0.0.21000.4710.21000.9501.735
over 50 years ago0.0.0.0.0.0.0.0.0.4700.470
total4.42113.41116.397.4165.11946.62
Western Plateauless than 10 years ago4.12113.61110.6133.1252.82734.25
11-20 years ago0.8500.8502.2300.4712.3306.617
21-30 years ago0.6571.0440.8490.21001.0453.522
31-40 years ago0.0.0.0.0.0.0.0.1.5371.537
41-50 years ago0.0.0.0.0.21000.0.1.3411.538
over 50 years ago0.0.0.21000.21000.5700.9501.735
total5.51815.61014.0104.2229.81349.12
Central Plateauless than 10 years ago4.82027.4714.2112.5271.83350.73
11-20 years ago1.2416.4172.5270.4701.04511.412
21-30 years ago0.6582.0310.8500.4700.9454.720
31-40 years ago0.0.0.0.0.21000.0.0.6580.850
41-50 years ago0.0.0.0.0.0.0.0.0.21000.2100
over 50 years ago0.0.0.21000.21000.21000.7501.338
total6.61736.0517.993.5235.21969.11
Eastern Plateauless than 10 years ago13.61135.9627.374.8202.03183.63
11-20 years ago2.4275.5193.9221.0451.63514.411
21-30 years ago0.6582.0311.4380.4711.6356.118
31-40 years ago0.21000.7500.0.0.0.1.0452.031
41-50 years ago0.0.0.0.0.3710.0.0.6580.945
over 50 years ago0.0.0.0.0.0.0.0.0.6580.658
total16.81044.2532.966.2177.416107.61
Western Pre-Alpsless than 10 years ago1.9344.7215.5183.6244.32219.98
11-20 years ago0.21001.9301.9341.9321.7367.515
21-30 years ago0.21000.8492.4300.6581.1455.120
31-40 years ago0.0.1.3381.1401.0450.8504.020
41-50 years ago0.21000.0.0.4700.4711.2362.128
over 50 years ago0.0.0.21000.7580.7503.1264.720
total2.5298.81411.8118.11512.11143.33
Central Pre-Alpsless than 10 years ago3.82316.71017.01010.1147.41654.94
11-20 years ago0.21002.8276.1182.0324.72015.911
21-30 years ago0.4712.1314.0231.0453.02610.513
31-40 years ago0.21001.1450.9501.5382.5286.118
41-50 years ago0.21000.0.0.21000.0.1.9332.330
over 50 years ago0.0.0.9500.0.0.6588.3159.714
total4.82023.5828.2715.21127.7799.42
Eastern Pre-Alpsless than 10 years ago2.3308.31513.2119.0142.82735.76
11-20 years ago0.4712.9265.0193.7222.03214.011
21-30 years ago0.4711.2412.8262.3292.4299.114
31-40 years ago0.21000.4700.4711.0452.4294.321
41-50 years ago0.0.0.21000.4710.9501.0452.429
over 50 years ago0.0.0.21000.5700.5585.6186.817
total3.32513.21222.2817.5916.11072.32
Northwestern Alpsless than 10 years ago1.8332.8264.2213.1254.52116.410
11-20 years ago1.2412.1311.9311.8336.21813.211
21-30 years ago0.0.0.6581.0442.6272.7276.916
31-40 years ago0.0.0.7501.5380.4703.6236.217
41-50 years ago0.0.0.5580.9500.6582.7274.820
over 50 years ago0.21000.21001.0440.21009.91411.513
total3.3256.91610.5138.71429.5758.93
Central Alpsless than 10 years ago0.6571.7332.2292.1293.1249.812
11-20 years ago0.0.0.8490.8491.4371.6354.520
21-30 years ago0.0.0.0.0.4710.4710.6581.438
31-40 years ago0.0.0.6580.0.0.6581.7332.925
41-50 years ago0.0.0.21000.0.0.21001.3371.732
over 50 years ago0.0.0.21000.4710.6583.9225.119
total0.6573.5223.8215.31712.21025.44
Northeastern Alpsless than 10 years ago0.7501.9322.4281.2414.12210.312
11-20 years ago0.0.0.5580.4731.2373.3245.418
21-30 years ago0.0.0.5580.4730.6592.5274.121
31-40 years ago0.0.0.0.0.6590.5571.2412.329
41-50 years ago0.0.0.21000.0.0.21001.7352.031
over 50 years ago0.0.0.0.0.21000.0.5.4185.617
total0.7503.2244.0213.72218.1829.85
Southwestern Alpsless than 10 years ago1.0451.5354.3214.22213.31224.48
11-20 years ago0.4710.8504.3212.8275.61813.911
21-30 years ago0.0.0.4712.3292.3298.01513.112
31-40 years ago0.0.0.8500.7501.1416.8179.414
41-50 years ago0.21000.4712.3292.5277.31612.812
over 50 years ago0.9442.3292.7264.92029.5740.36
total2.5276.21716.71017.81070.74113.82
Southeastern Alpsless than 10 years ago1.2415.5199.51411.71313.61241.56
11-20 years ago0.4713.6235.6198.01512.41230.07
21-30 years ago0.6580.8502.4293.42413.31220.49
31-40 years ago0.21000.6581.9312.7265.31910.813
41-50 years ago0.21001.2410.8501.0452.9266.018
over 50 years ago0.4711.6352.6282.32927.1834.07
total3.02613.21222.8929.1774.64142.82
Southern Alpsless than 10 years ago0.21002.2302.6283.4248.21516.611
11-20 years ago0.4712.2301.6350.6588.11512.912
21-30 years ago0.4711.0441.2411.63511.91316.011
31-40 years ago0.6580.4711.0451.3388.11511.513
41-50 years ago0.0.0.4710.4711.8339.41412.012
over 50 years ago0.21002.4293.7236.41768.2481.04
total1.8338.71510.51315.011113.93150.02
Switzerlandless than 10 years ago48.46160.83151.2377.3573.25510.81
11-20 years ago12.71244.8744.1728.6856.26186.33
21-30 years ago5.91818.71024.5920.11057.66126.94
31-40 years ago1.8337.51610.01411.31340.5771.25
41-50 years ago0.9453.2246.4188.71534.0853.26
over 50 years ago3.2259.11513.21217.211167.53210.23
total72.85244.22249.32163.23429.021158.51
© WSL, Swiss National Forest Inventory, 22.06.2020 #799219/265551
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