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NFI4
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 12cm, classified)
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
avalanches SilvaProtectstem count/ha (DBH >= 12cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-100 stems/ha44.6612.8129.6148.6157.7166.41789.84
101-200 stems/ha58.0511.0135.8187.31610.1144.12296.44
201-300 stems/ha62.9514.8119.4142.42910.0144.820104.34
301-400 stems/ha60.3516.7118.0154.2228.3154.022101.54
401-500 stems/ha43.4611.1136.5173.8239.8142.23076.85
501-600 stems/ha36.276.3185.7181.8335.4192.82758.36
more than 600 stems/ha60.8520.01012.3126.11812.3127.716119.24
total366.3192.7457.4534.3763.5532.07646.31
inside perimeter0-100 stems/ha0.0.2.2301.0451.4381.6351.7337.916
101-200 stems/ha0.21002.6282.6281.0452.6282.32911.313
201-300 stems/ha0.8503.0262.3294.1214.0221.83315.911
301-400 stems/ha0.6582.5291.5355.4182.8272.23015.011
401-500 stems/ha0.6583.4241.8334.3212.2301.83314.012
501-600 stems/ha0.6582.2301.2411.9311.9321.2419.015
more than 600 stems/ha1.8334.6214.2215.6183.9222.52722.69
total4.72020.4914.61123.7819.01013.41195.84
outside perimeter0-100 stems/ha2.6287.3164.6205.3197.01711.21338.17
101-200 stems/ha8.91511.4134.3218.0158.31512.91253.86
201-300 stems/ha9.81411.7138.81510.31310.41313.91265.05
301-400 stems/ha6.31813.5129.1145.41812.01215.71161.95
401-500 stems/ha8.51510.9136.9167.2165.81814.41153.76
501-600 stems/ha5.12010.9137.5165.0195.3197.51641.47
more than 600 stems/ha10.51322.6914.41114.51111.61228.87102.54
total51.8688.3455.5555.8460.35104.53416.32
total0-100 stems/ha47.2622.4915.21115.31116.31119.410135.84
101-200 stems/ha67.2525.0912.61216.31121.1919.410161.63
201-300 stems/ha73.6529.5820.6916.81024.3820.49185.23
301-400 stems/ha67.2532.6718.6915.11123.0921.99178.43
401-500 stems/ha52.5625.4815.21115.31117.71018.410144.53
501-600 stems/ha41.9619.41014.4118.81412.61211.413108.64
more than 600 stems/ha73.2547.1630.9726.2827.8839.06244.33
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #863577/329908
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