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economic region | ||||||||||||||||||||||||||||||
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Western Jura | Eastern Jura | Western Plateau | Central Plateau | Eastern Plateau | Western Pre-Alps | Central Pre-Alps | Eastern Pre-Alps | Northwestern Alps | Central Alps | Northeastern Alps | Southwestern Alps | Southeastern Alps | Southern Alps | Switzerland | ||||||||||||||||
type of last silvicultural treatment (interview survey) | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± |
no treatment | 2.4 | 0.8 | 5.8 | 2.4 | 2.8 | 1.4 | 2.0 | 1.2 | 6.3 | 1.7 | 3.7 | 2.1 | 2.6 | 1.2 | 5.7 | 2.5 | 1.2 | 1.2 | 0.6 | 0.7 | 2.5 | 2.5 | 10.1 | 5.7 | 7.4 | 3.6 | 3.7 | 1.9 | 4.0 | 0.5 |
tending | 14.3 | 3.1 | 15.5 | 5.1 | 24.4 | 6.1 | 13.6 | 3.9 | 16.6 | 3.5 | 0.0 | . | 0.3 | 0.2 | 1.0 | 0.6 | 3.2 | 3.0 | 0.0 | . | 1.0 | 0.7 | 2.7 | 2.7 | 9.5 | 3.8 | 0.0 | . | 10.5 | 1.2 |
thinning | 20.4 | 2.9 | 28.5 | 6.1 | 14.7 | 3.4 | 24.3 | 3.3 | 25.4 | 3.1 | 19.5 | 8.4 | 13.7 | 3.1 | 14.2 | 4.7 | 0.0 | 0.0 | 9.2 | 6.6 | 12.1 | 7.7 | 0.0 | . | 8.9 | 4.0 | 9.1 | 4.2 | 17.8 | 1.1 |
establishment cut | 14.0 | 2.9 | 6.5 | 2.9 | 13.7 | 4.8 | 13.4 | 2.9 | 9.7 | 2.2 | 28.6 | 10.0 | 13.8 | 3.8 | 9.7 | 3.7 | 11.3 | 5.7 | 0.0 | . | 4.3 | 4.4 | 8.6 | 4.8 | 29.5 | 6.5 | 19.8 | 9.2 | 13.2 | 1.2 |
removal cut | 4.5 | 1.7 | 8.5 | 5.1 | 12.6 | 4.7 | 23.6 | 4.6 | 15.9 | 3.8 | 22.3 | 11.2 | 17.5 | 4.9 | 18.8 | 6.5 | 1.3 | 1.3 | 29.7 | 21.8 | 17.9 | 12.3 | 6.8 | 4.9 | 10.0 | 4.3 | 13.9 | 9.8 | 14.3 | 1.5 |
plentering | 12.8 | 2.3 | 0.0 | . | 0.0 | . | 1.0 | 0.5 | 0.1 | 0.1 | 4.1 | 3.0 | 19.0 | 3.9 | 3.7 | 1.9 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 3.2 | 2.1 | 6.5 | 6.1 | 4.9 | 0.6 |
thinning of mountain forest | 0.8 | 0.6 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 4.6 | 3.2 | 7.7 | 2.4 | 5.9 | 3.0 | 17.7 | 8.9 | 30.9 | 21.9 | 0.9 | 0.9 | 49.5 | 8.4 | 1.5 | 0.9 | 1.5 | 1.5 | 3.5 | 0.6 |
coppice cut | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 5.8 | 3.2 | 0.1 | 0.1 |
conversion | 0.1 | 0.1 | 1.4 | 1.4 | 0.0 | . | 0.1 | 0.1 | 0.4 | 0.4 | 0.0 | . | 4.3 | 2.1 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.7 | 0.3 |
transformation | 0.0 | . | 1.5 | 1.4 | 0.0 | . | 0.1 | 0.1 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.1 | 0.1 |
sanitary felling | 11.0 | 2.6 | 12.6 | 4.8 | 17.2 | 4.9 | 10.6 | 2.7 | 9.1 | 2.3 | 7.5 | 4.1 | 6.4 | 2.0 | 18.2 | 5.2 | 40.1 | 12.0 | 19.0 | 10.1 | 8.9 | 5.2 | 8.1 | 3.4 | 20.6 | 7.4 | 11.7 | 5.1 | 12.0 | 1.2 |
plentering in broadleaf forest | 2.9 | 1.0 | 4.7 | 2.0 | 0.0 | . | 4.9 | 1.6 | 12.1 | 2.3 | 0.0 | . | 2.2 | 1.6 | 3.9 | 1.8 | 0.0 | . | 0.0 | . | 20.4 | 9.5 | 0.0 | . | 0.0 | . | 0.0 | . | 4.4 | 0.6 |
tending of forest edge | 0.0 | . | 8.6 | 4.9 | 0.8 | 0.8 | 3.3 | 1.6 | 1.5 | 0.6 | 0.0 | . | 2.1 | 2.0 | 0.6 | 0.6 | 2.0 | 2.0 | 0.0 | . | 22.4 | 16.1 | 0.3 | 0.3 | 0.0 | . | 4.4 | 3.0 | 2.1 | 0.6 |
planting | 0.0 | . | 0.0 | . | 4.7 | 3.8 | 0.0 | . | 0.2 | 0.2 | 5.4 | 5.4 | 0.0 | . | 3.6 | 3.5 | 0.0 | . | 0.0 | . | 5.6 | 5.6 | 0.0 | . | 0.0 | . | 0.0 | . | 1.0 | 0.5 |
agrosilvicultural treatments | 12.3 | 3.9 | 0.2 | 0.2 | 1.1 | 0.7 | 0.4 | 0.4 | 0.9 | 0.6 | 0.4 | 0.4 | 0.6 | 0.3 | 8.8 | 5.9 | 9.3 | 8.0 | 27.2 | 20.6 | 0.0 | . | 5.2 | 3.4 | 4.0 | 3.7 | 15.7 | 6.8 | 4.0 | 0.9 |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . |
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