Search legacy data
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biogeographical region | |||||||||||||||
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Jura | Plateau | Northern Alps | Western Central-Alps | Eastern Central-Alps | Southern Alps | Switzerland | |||||||||
urgency of next treatment (interview survey) | time of last treatment (classes of 10 years) | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % |
0-1 year | less than 10 years ago | 15.8 | 14 | 25.5 | 11 | 8.2 | 21 | . | . | . | . | 1.1 | 58 | 50.5 | 8 |
11-20 years ago | 6.8 | 23 | 8.1 | 21 | 5.0 | 27 | 0.3 | 100 | 0.4 | 100 | 0.4 | 100 | 21.0 | 13 | |
21-30 years ago | 1.8 | 45 | 1.1 | 58 | 3.5 | 31 | 0.3 | 100 | 0.7 | 71 | 0.7 | 71 | 8.2 | 21 | |
31-40 years ago | 0.4 | 100 | 0.7 | 71 | 1.1 | 58 | . | . | 0.7 | 71 | . | . | 2.8 | 35 | |
41-50 years ago | 0.7 | 71 | . | . | 1.1 | 58 | 0.3 | 100 | 0.4 | 100 | 0.4 | 100 | 2.8 | 35 | |
over 50 years ago | 1.4 | 50 | . | . | 1.1 | 58 | 1.4 | 50 | 0.7 | 71 | 1.4 | 50 | 6.0 | 24 | |
total | 27.0 | 11 | 35.4 | 9 | 19.9 | 13 | 2.4 | 37 | 2.8 | 35 | 3.9 | 30 | 91.4 | 6 | |
2-5 years | less than 10 years ago | 33.1 | 10 | 85.9 | 5 | 24.5 | 12 | 1.7 | 44 | 1.8 | 44 | 2.1 | 41 | 149.2 | 4 |
11-20 years ago | 16.2 | 14 | 14.5 | 15 | 19.5 | 13 | 0.7 | 71 | 2.8 | 35 | 0.7 | 71 | 54.4 | 8 | |
21-30 years ago | 6.1 | 24 | 3.5 | 31 | 7.1 | 22 | 1.0 | 58 | 1.4 | 50 | 1.4 | 50 | 20.6 | 13 | |
31-40 years ago | 2.2 | 41 | 1.1 | 58 | 5.3 | 26 | 0.3 | 100 | 1.1 | 58 | 0.7 | 71 | 10.7 | 18 | |
41-50 years ago | . | . | 0.4 | 100 | 2.1 | 41 | 0.3 | 100 | 0.7 | 71 | 1.1 | 58 | 4.6 | 28 | |
over 50 years ago | . | . | . | . | 2.5 | 38 | 3.4 | 31 | 1.8 | 44 | 3.9 | 30 | 11.6 | 17 | |
total | 57.6 | 7 | 105.4 | 5 | 61.1 | 7 | 7.5 | 21 | 9.5 | 19 | 10.0 | 18 | 251.1 | 3 | |
6-10 years | less than 10 years ago | 32.8 | 10 | 61.9 | 7 | 32.6 | 10 | 2.1 | 41 | 3.9 | 30 | 3.2 | 33 | 136.4 | 5 |
11-20 years ago | 11.2 | 18 | 9.6 | 19 | 22.0 | 12 | 2.4 | 38 | 3.9 | 30 | 1.1 | 58 | 50.1 | 8 | |
21-30 years ago | 4.0 | 30 | 4.2 | 29 | 10.7 | 18 | 0.7 | 71 | 2.1 | 41 | 0.7 | 71 | 22.4 | 12 | |
31-40 years ago | 2.9 | 35 | 1.8 | 45 | 5.7 | 25 | 0.3 | 100 | 1.1 | 58 | 0.7 | 71 | 12.4 | 17 | |
41-50 years ago | 1.4 | 50 | 0.7 | 71 | 3.9 | 30 | 0.3 | 100 | . | . | 1.4 | 50 | 7.8 | 21 | |
over 50 years ago | 0.7 | 71 | 1.4 | 50 | 4.3 | 29 | 4.4 | 27 | 1.4 | 50 | 6.1 | 24 | 18.3 | 14 | |
total | 53.0 | 7 | 79.6 | 6 | 79.1 | 6 | 10.3 | 18 | 12.4 | 16 | 13.2 | 16 | 247.5 | 3 | |
11-20 years | less than 10 years ago | 15.5 | 15 | 17.3 | 14 | 28.0 | 11 | 2.8 | 35 | 6.4 | 23 | 0.4 | 100 | 70.3 | 7 |
11-20 years ago | 5.4 | 26 | 3.5 | 31 | 16.3 | 14 | 5.8 | 24 | 2.5 | 37 | 2.1 | 41 | 35.7 | 10 | |
21-30 years ago | 2.2 | 41 | 1.1 | 58 | 7.1 | 22 | 2.1 | 41 | 2.1 | 41 | 2.5 | 38 | 17.0 | 14 | |
31-40 years ago | 1.1 | 58 | . | . | 3.2 | 33 | 0.7 | 71 | 1.4 | 50 | 1.4 | 50 | 7.8 | 21 | |
41-50 years ago | 1.8 | 45 | . | . | 5.3 | 26 | 1.4 | 50 | . | . | 0.7 | 71 | 9.2 | 20 | |
over 50 years ago | 0.7 | 71 | 0.7 | 71 | 7.5 | 22 | 6.5 | 22 | 1.8 | 44 | 11.0 | 17 | 28.2 | 11 | |
total | 26.7 | 11 | 22.6 | 12 | 67.4 | 7 | 19.2 | 12 | 14.1 | 15 | 18.2 | 13 | 168.2 | 4 | |
> 20 years | less than 10 years ago | 2.2 | 41 | 2.8 | 35 | 23.1 | 12 | 11.3 | 17 | 11.0 | 17 | 7.1 | 22 | 57.4 | 8 |
11-20 years ago | 5.4 | 26 | 1.1 | 58 | 11.1 | 18 | 4.4 | 27 | 10.2 | 18 | 5.7 | 25 | 37.9 | 9 | |
21-30 years ago | 2.5 | 38 | 2.1 | 41 | 8.6 | 20 | 2.7 | 35 | 8.4 | 20 | 2.8 | 35 | 27.2 | 11 | |
31-40 years ago | 5.4 | 26 | 1.1 | 58 | 9.6 | 19 | 2.4 | 37 | 5.3 | 25 | 3.2 | 33 | 27.0 | 11 | |
41-50 years ago | 2.5 | 38 | 1.8 | 45 | 8.5 | 20 | 4.1 | 29 | 4.6 | 27 | 5.6 | 25 | 27.2 | 11 | |
over 50 years ago | 6.8 | 23 | 2.1 | 41 | 26.3 | 11 | 20.2 | 12 | 18.3 | 13 | 52.6 | 7 | 126.4 | 5 | |
total | 24.9 | 11 | 11.0 | 18 | 87.2 | 6 | 45.2 | 7 | 57.8 | 6 | 77.2 | 5 | 303.2 | 3 | |
total | less than 10 years ago | 99.4 | 4 | 193.4 | 2 | 116.4 | 5 | 17.8 | 13 | 23.0 | 11 | 13.9 | 15 | 463.9 | 2 |
11-20 years ago | 45.0 | 8 | 36.8 | 9 | 73.8 | 6 | 13.7 | 15 | 19.8 | 12 | 10.0 | 18 | 199.2 | 4 | |
21-30 years ago | 16.6 | 14 | 12.0 | 17 | 37.0 | 9 | 6.8 | 22 | 14.8 | 15 | 8.2 | 20 | 95.4 | 6 | |
31-40 years ago | 11.9 | 17 | 4.6 | 28 | 24.9 | 12 | 3.8 | 30 | 9.5 | 19 | 6.1 | 24 | 60.7 | 7 | |
41-50 years ago | 6.5 | 23 | 2.8 | 35 | 20.9 | 13 | 6.5 | 22 | 5.7 | 24 | 9.2 | 19 | 51.6 | 8 | |
over 50 years ago | 9.7 | 19 | 4.2 | 29 | 41.6 | 9 | 35.9 | 8 | 24.0 | 11 | 75.1 | 5 | 190.5 | 4 | |
total | 189.1 | 1 | 253.9 | 1 | 314.6 | 2 | 84.6 | 4 | 96.7 | 3 | 122.4 | 3 | 1061.3 | 1 |
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