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NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 10 years ago9.7194.22912.8167.2213.5314.62742.19
11-20 years ago3.6311.1587.8213.1333.5312.83521.913
21-30 years ago2.935..4.6282.1412.5372.83514.915
31-40 years ago0.7710.41003.5310.7712.1411.4508.820
41-50 years ago0.41000.41001.8451.7440.7711.4506.324
over 50 years ago2.9350.7714.3298.9192.53712.81632.010
total20.2136.72334.81023.61114.81526.011126.15
outside perimeterless than 10 years ago91.15191.32110.4514.01523.01110.718440.62
11-20 years ago43.2835.7970.3611.01718.4138.220186.84
21-30 years ago14.81512.71637.896.22315.81411.41798.66
31-40 years ago11.2184.62824.2125.52410.91710.61866.97
41-50 years ago6.5232.53821.4136.9226.0248.52051.78
over 50 years ago6.8233.53146.0830.5927.01074.75188.64
total173.72250.41310.1274.04101.13124.031033.31
totalless than 10 years ago100.94195.62123.2421.21226.51015.315482.72
11-20 years ago46.8836.8978.1614.01521.91211.117208.84
21-30 years ago17.71412.71642.498.22018.21314.215113.55
31-40 years ago11.9175.02727.7116.22313.01612.01775.87
41-50 years ago6.9232.83523.2128.6196.7229.91858.18
over 50 years ago9.7194.22950.3839.4829.51087.55220.63
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164517/150899
search result: 1 entry on 1 page

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