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production region | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jura | Plateau | Pre-Alps | Alps | Southern Alps | Switzerland | ||||||||
avalanches SilvaProtect, modelled and assigned | type of next treatment (interview survey) | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % |
inside perimeter | no treatment | 1.5 | 50 | . | . | 2.5 | 38 | 25.6 | 11 | 8.2 | 20 | 37.8 | 9 |
tending | . | . | . | . | 1.4 | 50 | 2.8 | 35 | . | . | 4.2 | 29 | |
thinning | 0.4 | 100 | . | . | 2.2 | 41 | 3.5 | 31 | . | . | 6.0 | 24 | |
establishment cut | 1.1 | 58 | . | . | 0.7 | 71 | 7.3 | 22 | 0.4 | 100 | 9.4 | 19 | |
removal cut | 0.4 | 100 | . | . | . | . | 2.1 | 41 | 0.4 | 100 | 2.8 | 35 | |
plentering | 0.7 | 71 | . | . | 0.7 | 71 | 0.3 | 100 | . | . | 1.8 | 45 | |
thinning of mountain forest | 0.7 | 71 | . | . | 5.4 | 26 | 22.8 | 12 | 4.6 | 27 | 33.5 | 10 | |
coppice cut | . | . | . | . | . | . | . | . | . | . | . | . | |
conversion | . | . | . | . | . | . | . | . | . | . | . | . | |
transformation | . | . | . | . | . | . | . | . | . | . | . | . | |
sanitary felling | . | . | . | . | . | . | . | . | . | . | . | . | |
plentering in broadleaf forest | . | . | . | . | . | . | . | . | . | . | . | . | |
tending of forest edge | . | . | . | . | . | . | . | . | . | . | . | . | |
planting | . | . | . | . | . | . | . | . | . | . | . | . | |
agrosilvicultural treatments | . | . | . | . | . | . | . | . | 0.4 | 100 | 0.4 | 100 | |
total | 4.7 | 27 | . | . | 13.0 | 16 | 64.3 | 7 | 13.8 | 15 | 95.9 | 6 | |
outside perimeter | no treatment | 22.3 | 12 | 11.9 | 17 | 43.6 | 8 | 166.4 | 4 | 90.1 | 4 | 334.3 | 3 |
tending | 18.3 | 14 | 33.7 | 9 | 17.3 | 14 | 19.0 | 13 | 2.1 | 41 | 90.4 | 6 | |
thinning | 54.0 | 7 | 81.9 | 5 | 36.0 | 9 | 21.2 | 13 | 8.9 | 19 | 202.0 | 4 | |
establishment cut | 27.4 | 11 | 36.9 | 9 | 29.9 | 10 | 29.0 | 11 | 6.0 | 24 | 129.2 | 5 | |
removal cut | 10.2 | 18 | 15.5 | 15 | 5.8 | 25 | 4.8 | 27 | 3.2 | 33 | 39.5 | 9 | |
plentering | 24.1 | 12 | 4.2 | 29 | 21.6 | 12 | 3.5 | 31 | 0.4 | 100 | 53.7 | 8 | |
thinning of mountain forest | 3.3 | 33 | 0.4 | 100 | 29.9 | 10 | 46.4 | 8 | 13.8 | 15 | 93.7 | 6 | |
coppice cut | 1.1 | 58 | 1.1 | 58 | . | . | . | . | 5.3 | 25 | 7.5 | 22 | |
conversion | 0.4 | 100 | 2.5 | 38 | 1.1 | 58 | 0.3 | 100 | 1.1 | 58 | 5.3 | 26 | |
transformation | . | . | 0.7 | 71 | 0.7 | 71 | . | . | . | . | 1.4 | 50 | |
sanitary felling | 4.4 | 29 | 3.2 | 33 | 1.8 | 45 | 2.4 | 38 | 0.4 | 100 | 12.1 | 17 | |
plentering in broadleaf forest | 13.9 | 16 | 32.0 | 10 | 8.7 | 20 | 2.8 | 35 | . | . | 57.3 | 8 | |
tending of forest edge | 2.2 | 41 | 3.5 | 31 | 3.6 | 31 | 1.7 | 45 | 0.4 | 100 | 11.4 | 18 | |
planting | 0.4 | 100 | . | . | . | . | . | . | . | . | 0.4 | 100 | |
agrosilvicultural treatments | 14.2 | 16 | 1.8 | 45 | 2.9 | 35 | 4.9 | 27 | 0.4 | 100 | 24.1 | 12 | |
total | 196.0 | 1 | 229.1 | 1 | 202.9 | 2 | 302.4 | 2 | 131.9 | 3 | 1062.4 | 1 | |
total | no treatment | 23.7 | 12 | 11.9 | 17 | 46.1 | 8 | 192.0 | 3 | 98.3 | 4 | 372.1 | 2 |
tending | 18.3 | 14 | 33.7 | 9 | 18.7 | 13 | 21.8 | 12 | 2.1 | 41 | 94.6 | 6 | |
thinning | 54.4 | 7 | 81.9 | 5 | 38.2 | 9 | 24.6 | 12 | 8.9 | 19 | 208.0 | 4 | |
establishment cut | 28.5 | 11 | 36.9 | 9 | 30.6 | 10 | 36.3 | 9 | 6.4 | 23 | 138.7 | 5 | |
removal cut | 10.6 | 18 | 15.5 | 15 | 5.8 | 25 | 6.9 | 22 | 3.5 | 31 | 42.3 | 9 | |
plentering | 24.8 | 11 | 4.2 | 29 | 22.4 | 12 | 3.8 | 30 | 0.4 | 100 | 55.5 | 8 | |
thinning of mountain forest | 4.0 | 30 | 0.4 | 100 | 35.3 | 9 | 69.2 | 6 | 18.4 | 13 | 127.3 | 5 | |
coppice cut | 1.1 | 58 | 1.1 | 58 | . | . | . | . | 5.3 | 25 | 7.5 | 22 | |
conversion | 0.4 | 100 | 2.5 | 38 | 1.1 | 58 | 0.3 | 100 | 1.1 | 58 | 5.3 | 26 | |
transformation | . | . | 0.7 | 71 | 0.7 | 71 | . | . | . | . | 1.4 | 50 | |
sanitary felling | 4.4 | 29 | 3.2 | 33 | 1.8 | 45 | 2.4 | 38 | 0.4 | 100 | 12.1 | 17 | |
plentering in broadleaf forest | 13.9 | 16 | 32.0 | 10 | 8.7 | 20 | 2.8 | 35 | . | . | 57.3 | 8 | |
tending of forest edge | 2.2 | 41 | 3.5 | 31 | 3.6 | 31 | 1.7 | 45 | 0.4 | 100 | 11.4 | 18 | |
planting | 0.4 | 100 | . | . | . | . | . | . | . | . | 0.4 | 100 | |
agrosilvicultural treatments | 14.2 | 16 | 1.8 | 45 | 2.9 | 35 | 4.9 | 27 | 0.7 | 71 | 24.4 | 12 | |
total | 200.8 | 1 | 229.1 | 1 | 215.9 | 2 | 366.7 | 1 | 145.7 | 2 | 1158.2 | 1 |
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