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NFI4
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
outside of perimetern/a0.10.10.10.10.0.0.0.0.0.0.10.0
less than 10 years ago57.91.774.51.344.42.123.21.512.22.450.10.8
11-20 years ago21.01.415.51.123.11.815.41.38.52.017.70.7
21-30 years ago8.51.05.10.78.81.213.91.27.81.98.80.5
31-40 years ago5.30.82.20.56.61.110.01.114.22.56.20.4
41-50 years ago3.30.61.00.35.61.07.20.98.62.14.20.3
over 50 years ago4.00.71.60.411.41.430.31.648.63.613.10.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago46.33.660.14.846.12.125.51.311.21.329.40.9
11-20 years ago19.72.918.13.823.21.817.51.16.01.016.20.7
21-30 years ago8.42.09.62.99.51.313.51.07.81.110.80.6
31-40 years ago7.51.94.82.16.71.18.60.87.41.17.70.5
41-50 years ago4.21.41.91.44.70.97.70.89.11.26.90.5
over 50 years ago13.92.55.52.29.91.327.31.358.62.029.00.8
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.10.10.0.0.0.0.0.0.00.0
less than 10 years ago55.71.673.11.345.21.524.61.011.41.141.00.6
11-20 years ago20.71.315.81.123.11.316.60.86.60.917.00.5
21-30 years ago8.50.95.50.79.20.913.70.87.80.99.70.4
31-40 years ago5.70.72.40.56.60.79.20.69.01.06.80.3
41-50 years ago3.40.61.00.35.20.77.50.69.01.05.40.3
over 50 years ago5.80.72.00.410.60.928.51.056.21.820.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #849843/316174
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