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NFI4b

forest area: urgency of next treatment (interview survey) · time of last treatment (classes of 10 years) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
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 ago12.11725.71128.21013.9151.45081.45
11-20 years ago6.1249.6198.9204.6274.03033.29
21-30 years ago1.8453.6313.2331.8452.14112.516
31-40 years ago0.41001.1582.1411.1583.9308.620
41-50 years ago0.4100..1.8450.7713.2336.124
over 50 years ago1.158..0.7710.7714.6277.122
total21.81240.0845.0822.91219.313148.92
Eastern Juraless than 10 years ago4.42911.5166.3233.632..25.79
11-20 years ago2.0447.5213.2340.41001.25714.214
21-30 years ago..2.0440.4100....2.440
31-40 years ago..0.41000.4100..0.8701.649
41-50 years ago0.4100....0.31000.41001.158
over 50 years ago........2.0442.044
total6.72321.41010.3184.3294.42947.03
Western Plateauless than 10 years ago7.82112.8166.1252.9370.87030.48
11-20 years ago1.2572.5402.0441.2570.41007.422
21-30 years ago..0.8701.6490.8710.41003.633
31-40 years ago0.41000.41000.4100..0.41001.649
41-50 years ago..0.41000.41000.8700.41002.144
over 50 years ago....0.870..1.2572.144
total9.41916.91311.4175.7263.73247.24
Central Plateauless than 10 years ago5.92224.9917.0124.0271.54453.44
11-20 years ago2.2375.9221.4500.6710.310010.416
21-30 years ago..1.940....0.31002.237
31-40 years ago0.31000.957....0.31001.544
41-50 years ago............
over 50 years ago0.3100..0.31000.31000.31001.250
total8.71833.5718.7115.0242.83368.72
Eastern Plateauless than 10 years ago8.91939.0829.0106.8221.84485.43
11-20 years ago2.5374.6273.9301.8441.15813.915
21-30 years ago1.1581.4502.9350.7711.1587.122
31-40 years ago..0.41001.450..0.41002.141
41-50 years ago........0.41000.4100
over 50 years ago....0.4100..0.7711.158
total12.51645.4737.589.3195.425110.12
Western Pre-Alpsless than 10 years ago2.2403.0344.8275.6241.54917.012
11-20 years ago1.5501.9444.4280.7701.1589.618
21-30 years ago..0.7701.9440.41000.41003.333
31-40 years ago0.41001.1571.1570.7701.1574.428
41-50 years ago....0.41001.9440.7703.034
over 50 years ago0.770..0.4100..2.6373.730
total4.8276.72213.0159.3187.42141.14
Central Pre-Alpsless than 10 years ago3.63111.51715.8149.3194.32844.57
11-20 years ago2.2407.2227.5216.1241.84424.711
21-30 years ago1.1581.4503.2330.7711.4507.921
31-40 years ago0.7711.4501.4500.41001.8445.724
41-50 years ago..0.7710.7710.7712.2404.328
over 50 years ago0.4100..0.41001.4505.4257.521
total7.92122.21129.01018.61316.91394.72
Eastern Pre-Alpsless than 10 years ago2.9357.12110.7176.4233.63130.79
11-20 years ago0.7716.4235.0263.6311.84417.513
21-30 years ago0.41001.8441.4501.1571.1575.724
31-40 years ago..0.7711.4501.1572.5375.724
41-50 years ago0.4100..0.41000.7711.8443.233
over 50 years ago..0.4100..0.41005.4256.123
total4.32816.41318.91213.21516.11368.93
Northwestern Alpsless than 10 years ago0.7713.9294.3283.6316.12318.612
11-20 years ago0.41001.1573.6312.9350.7718.619
21-30 years ago1.1570.7712.5373.6312.14010.018
31-40 years ago....0.7710.7711.8443.233
41-50 years ago0.41000.41001.4500.7711.4504.328
over 50 years ago..1.1571.1572.5375.42510.018
total2.5377.12113.61513.91517.51354.74
Central Alpsless than 10 years ago0.31001.4502.1402.1401.4497.220
11-20 years ago0.31001.0570.31001.4490.31003.430
21-30 years ago0.3100..0.7710.7700.31002.140
31-40 years ago..0.770..0.31001.0572.140
41-50 years ago0.3100..0.3100..1.1581.744
over 50 years ago..0.770..1.0573.8295.523
total1.4493.8293.5315.5237.91922.18
Northeastern Alpsless than 10 years ago1.1572.1401.1571.8442.9359.018
11-20 years ago0.7701.4492.1400.7702.1407.220
21-30 years ago0.7702.1400.770..1.4505.025
31-40 years ago..0.7700.4100..0.41001.449
41-50 years ago..1.157....0.41001.449
over 50 years ago....1.1571.1572.5374.726
total2.5377.5205.4243.6319.71728.76
Southwestern Alpsless than 10 years ago0.31002.1412.1413.43112.01619.912
11-20 years ago0.31000.7712.8356.9224.82615.414
21-30 years ago0.31001.0581.4502.1413.4318.220
31-40 years ago..0.31000.7710.7712.4384.128
41-50 years ago0.31000.31001.0581.7444.5277.920
over 50 years ago1.4503.8305.5256.92220.61238.18
total2.7358.22013.41521.61247.7793.73
Southeastern Alpsless than 10 years ago..2.1415.3257.02213.71528.110
11-20 years ago0.7714.2284.6272.83513.01625.311
21-30 years ago0.7711.8452.1412.83510.11817.513
31-40 years ago0.7711.8451.8451.4507.02212.716
41-50 years ago0.41000.771..1.1585.6257.721
over 50 years ago0.7711.8451.8452.83520.71227.710
total3.23312.31615.51417.91370.25119.03
Southern Alpsless than 10 years ago1.1582.1413.2330.41006.42313.116
11-20 years ago0.41000.7711.1582.1415.3259.619
21-30 years ago0.7711.4500.7712.5382.8358.120
31-40 years ago..0.7710.7711.4503.2336.024
41-50 years ago0.41001.1581.4500.7715.3258.820
over 50 years ago1.4503.9306.02411.01751.3773.65
total3.9309.91813.11618.11374.35119.33
Switzerlandless than 10 years ago51.38149.14135.9570.8757.48464.42
11-20 years ago21.11354.7850.8835.81037.99200.54
21-30 years ago8.22120.71322.81217.01427.11195.76
31-40 years ago2.93510.61812.6177.82127.01160.97
41-50 years ago2.9354.7287.9219.42027.31152.08
over 50 years ago6.02411.51718.31428.111126.55190.44
total92.26251.43248.33168.94303.231063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #143907/130280
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