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protection forest region | |||||||||||||||
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Jura + Plateau | Northwestern Alps | Northeastern Alps | Southwestern Alps | Southeastern Alps | Southern Alps | Switzerland | |||||||||
landslide/mudflow SilvaProtect | type of next treatment (interview survey) | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % |
n/a | no treatment | 39.4 | 7 | 34.6 | 7 | 24.4 | 8 | 26.1 | 8 | 38.5 | 7 | 25.4 | 8 | 188.5 | 3 |
tending | 54.7 | 5 | 8.8 | 15 | 5.9 | 18 | 1.9 | 33 | 1.4 | 38 | 0.4 | 71 | 73.1 | 5 | |
thinning | 122.4 | 3 | 11.3 | 13 | 6.4 | 17 | 2.0 | 31 | 4.3 | 21 | 2.4 | 29 | 148.8 | 3 | |
establishment cut | 52.8 | 6 | 15.2 | 11 | 10.0 | 14 | 0.6 | 58 | 5.5 | 19 | 0.6 | 58 | 84.7 | 5 | |
removal cut | 28.5 | 8 | 6.7 | 17 | 4.3 | 21 | 0.2 | 100 | 2.2 | 30 | 0.8 | 50 | 42.8 | 7 | |
plentering | 24.7 | 8 | 4.6 | 21 | 0.2 | 100 | 0.0 | . | 0.4 | 71 | 0.2 | 100 | 30.1 | 8 | |
thinning of mountain forest | 0.4 | 71 | 6.6 | 17 | 1.1 | 41 | 3.0 | 26 | 9.4 | 14 | 0.2 | 100 | 20.7 | 10 | |
coppice cut | 0.4 | 71 | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.2 | 100 | 1.0 | 45 | 1.8 | 33 | |
conversion | 7.9 | 16 | 1.2 | 41 | 1.0 | 45 | 0.0 | . | 0.0 | . | 0.0 | . | 10.2 | 14 | |
transformation | 0.8 | 50 | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 1.0 | 45 | |
sanitary felling | 5.4 | 19 | 0.8 | 50 | 0.8 | 50 | 0.0 | . | 0.2 | 100 | 0.0 | . | 7.2 | 17 | |
plentering in broadleaf forest | 17.3 | 10 | 0.0 | . | 0.6 | 58 | 0.0 | . | 0.0 | . | 0.2 | 100 | 18.1 | 10 | |
tending of forest edge | 4.9 | 20 | 0.0 | . | 1.4 | 38 | 0.2 | 100 | 0.4 | 71 | 0.2 | 100 | 7.1 | 17 | |
planting | 1.3 | 41 | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.5 | 38 | |
agrosilvicultural treatments | 3.7 | 23 | 2.3 | 30 | 1.0 | 45 | 0.4 | 71 | 1.0 | 45 | 0.6 | 58 | 9.0 | 15 | |
total | 364.5 | 1 | 92.7 | 4 | 57.4 | 5 | 34.3 | 7 | 63.5 | 5 | 32.0 | 7 | 644.5 | 1 | |
inside perimeter | no treatment | 4.9 | 20 | 4.6 | 21 | 5.0 | 20 | 10.3 | 13 | 5.6 | 18 | 17.0 | 10 | 47.4 | 6 |
tending | 2.6 | 28 | 1.4 | 38 | 1.3 | 41 | 1.4 | 38 | 1.6 | 35 | 0.2 | 100 | 8.4 | 15 | |
thinning | 8.0 | 15 | 2.7 | 28 | 2.6 | 28 | 2.6 | 28 | 1.0 | 45 | 2.4 | 29 | 19.3 | 10 | |
establishment cut | 2.4 | 29 | 1.9 | 33 | 4.0 | 21 | 1.5 | 35 | 2.2 | 30 | 1.2 | 41 | 13.2 | 12 | |
removal cut | 2.2 | 30 | 1.5 | 38 | 0.2 | 100 | 0.4 | 71 | 0.8 | 50 | 1.4 | 38 | 6.4 | 18 | |
plentering | 1.6 | 35 | 0.4 | 71 | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 0.0 | . | 2.5 | 29 | |
thinning of mountain forest | 0.0 | . | 1.9 | 33 | 0.4 | 70 | 6.5 | 17 | 5.1 | 19 | 2.0 | 31 | 15.8 | 11 | |
coppice cut | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.9 | 49 | 0.9 | 49 | |
conversion | 0.6 | 58 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.8 | 50 | |
transformation | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
sanitary felling | 0.4 | 71 | 0.2 | 100 | 0.2 | 100 | 0.2 | 100 | 0.0 | . | 0.0 | . | 1.0 | 45 | |
plentering in broadleaf forest | 0.4 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 71 | |
tending of forest edge | 0.4 | 71 | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 1.0 | 45 | |
planting | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 71 | |
agrosilvicultural treatments | 0.2 | 100 | 0.2 | 100 | 0.2 | 100 | 0.4 | 71 | 0.2 | 100 | 1.1 | 41 | 2.3 | 29 | |
total | 23.7 | 9 | 15.1 | 11 | 14.1 | 11 | 23.3 | 8 | 16.9 | 10 | 26.7 | 8 | 119.7 | 4 | |
outside perimeter | no treatment | 8.9 | 15 | 29.8 | 8 | 17.6 | 10 | 34.2 | 6 | 30.5 | 7 | 71.4 | 4 | 192.6 | 3 |
tending | 2.5 | 28 | 6.9 | 17 | 5.9 | 18 | 0.8 | 50 | 3.8 | 23 | 0.6 | 58 | 20.5 | 10 | |
thinning | 11.0 | 13 | 14.5 | 11 | 9.1 | 14 | 3.5 | 23 | 3.1 | 25 | 6.0 | 18 | 47.4 | 6 | |
establishment cut | 5.0 | 20 | 13.4 | 12 | 14.3 | 11 | 4.1 | 21 | 4.8 | 20 | 1.7 | 33 | 43.2 | 7 | |
removal cut | 3.7 | 23 | 4.8 | 21 | 2.9 | 26 | 1.3 | 38 | 4.4 | 21 | 2.6 | 28 | 19.7 | 10 | |
plentering | 0.8 | 50 | 5.4 | 19 | 0.6 | 58 | 0.4 | 71 | 0.4 | 71 | 0.0 | . | 7.6 | 16 | |
thinning of mountain forest | 0.0 | . | 13.0 | 12 | 2.7 | 26 | 10.7 | 13 | 13.9 | 11 | 5.9 | 18 | 46.2 | 6 | |
coppice cut | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 1.2 | 41 | 1.4 | 38 | |
conversion | 0.8 | 50 | 2.4 | 29 | 0.4 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 3.5 | 24 | |
transformation | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
sanitary felling | 0.6 | 58 | 1.0 | 45 | 0.6 | 58 | 0.0 | . | 0.2 | 100 | 0.4 | 71 | 2.8 | 27 | |
plentering in broadleaf forest | 0.4 | 71 | 0.0 | . | 0.7 | 50 | 0.0 | . | 0.0 | . | 0.2 | 100 | 1.3 | 38 | |
tending of forest edge | 0.2 | 100 | 0.0 | . | 0.4 | 71 | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.8 | 50 | |
planting | 0.2 | 100 | 1.2 | 41 | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 1.6 | 35 | |
agrosilvicultural treatments | 0.4 | 71 | 1.2 | 41 | 0.6 | 58 | 1.2 | 41 | 1.0 | 45 | 1.2 | 41 | 5.5 | 19 | |
total | 34.5 | 7 | 93.6 | 4 | 56.0 | 5 | 56.2 | 4 | 62.5 | 4 | 91.3 | 3 | 394.1 | 2 | |
total | no treatment | 53.2 | 6 | 69.1 | 5 | 47.0 | 6 | 70.7 | 4 | 74.6 | 4 | 113.9 | 3 | 428.4 | 2 |
tending | 59.8 | 5 | 17.2 | 10 | 13.0 | 12 | 4.0 | 22 | 6.8 | 17 | 1.2 | 41 | 102.0 | 4 | |
thinning | 141.4 | 3 | 28.5 | 8 | 18.2 | 10 | 8.1 | 15 | 8.4 | 15 | 10.9 | 13 | 215.5 | 3 | |
establishment cut | 60.2 | 5 | 30.5 | 8 | 28.3 | 7 | 6.1 | 17 | 12.4 | 12 | 3.6 | 23 | 141.1 | 3 | |
removal cut | 34.4 | 7 | 13.0 | 12 | 7.4 | 16 | 1.9 | 31 | 7.4 | 16 | 4.8 | 20 | 68.8 | 5 | |
plentering | 27.2 | 8 | 10.5 | 14 | 0.8 | 50 | 0.6 | 58 | 1.0 | 44 | 0.2 | 100 | 40.2 | 7 | |
thinning of mountain forest | 0.4 | 71 | 21.5 | 9 | 4.3 | 21 | 20.1 | 9 | 28.3 | 8 | 8.0 | 15 | 82.7 | 4 | |
coppice cut | 0.4 | 71 | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.4 | 71 | 3.1 | 25 | 4.0 | 22 | |
conversion | 9.3 | 14 | 3.6 | 23 | 1.4 | 38 | 0.0 | . | 0.0 | . | 0.2 | 100 | 14.5 | 12 | |
transformation | 0.8 | 50 | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 1.0 | 45 | |
sanitary felling | 6.4 | 18 | 2.0 | 32 | 1.7 | 35 | 0.2 | 100 | 0.4 | 71 | 0.4 | 71 | 11.0 | 13 | |
plentering in broadleaf forest | 18.1 | 10 | 0.0 | . | 1.3 | 38 | 0.0 | . | 0.0 | . | 0.4 | 71 | 19.8 | 10 | |
tending of forest edge | 5.5 | 19 | 0.0 | . | 2.0 | 32 | 0.2 | 100 | 0.8 | 50 | 0.4 | 71 | 8.9 | 15 | |
planting | 1.4 | 38 | 1.6 | 35 | 0.4 | 70 | 0.0 | . | 0.0 | . | 0.0 | . | 3.5 | 24 | |
agrosilvicultural treatments | 4.2 | 22 | 3.7 | 23 | 1.8 | 33 | 2.0 | 31 | 2.2 | 30 | 2.9 | 26 | 16.8 | 11 | |
total | 422.8 | 1 | 201.4 | 1 | 127.5 | 2 | 113.8 | 2 | 142.8 | 2 | 150.0 | 2 | 1158.4 | 1 |
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