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 | 16.2 | 14 | 25.5 | 11 | 8.9 | 20 | . | . | 0.4 | 100 | 1.1 | 58 | 52.0 | 8 |
11-20 years ago | 7.2 | 22 | 8.1 | 21 | 6.4 | 23 | 0.3 | 100 | 0.4 | 100 | 0.4 | 100 | 22.8 | 12 | |
21-30 years ago | 2.5 | 38 | 1.4 | 50 | 3.9 | 30 | 0.3 | 100 | 1.1 | 58 | 0.7 | 71 | 10.0 | 19 | |
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 | 0.7 | 71 | 0.4 | 100 | 0.4 | 100 | 3.2 | 33 | |
over 50 years ago | 1.4 | 50 | . | . | 1.4 | 50 | 1.4 | 50 | 0.7 | 71 | 1.4 | 50 | 6.4 | 24 | |
total | 28.5 | 10 | 35.7 | 9 | 22.7 | 12 | 2.8 | 35 | 3.5 | 31 | 3.9 | 30 | 97.1 | 6 | |
2-5 years | less than 10 years ago | 34.2 | 9 | 88.1 | 5 | 26.3 | 11 | 1.7 | 44 | 2.8 | 35 | 2.5 | 38 | 155.6 | 4 |
11-20 years ago | 17.3 | 14 | 14.5 | 15 | 20.2 | 13 | 0.7 | 71 | 3.2 | 33 | 0.7 | 71 | 56.6 | 8 | |
21-30 years ago | 6.1 | 24 | 3.5 | 31 | 7.5 | 22 | 1.0 | 58 | 1.4 | 50 | 1.4 | 50 | 21.0 | 13 | |
31-40 years ago | 2.2 | 41 | 1.4 | 50 | 5.7 | 25 | 0.3 | 100 | 1.1 | 58 | 0.7 | 71 | 11.4 | 18 | |
41-50 years ago | . | . | 0.4 | 100 | 2.5 | 38 | 0.3 | 100 | 0.7 | 71 | 1.1 | 58 | 5.0 | 27 | |
over 50 years ago | . | . | . | . | 2.5 | 38 | 3.4 | 31 | 1.8 | 44 | 4.3 | 29 | 11.9 | 17 | |
total | 59.8 | 7 | 107.9 | 5 | 64.6 | 7 | 7.5 | 21 | 11.0 | 17 | 10.7 | 18 | 261.5 | 3 | |
6-10 years | less than 10 years ago | 33.1 | 10 | 62.6 | 7 | 35.2 | 10 | 2.4 | 37 | 4.6 | 27 | 3.6 | 31 | 141.5 | 5 |
11-20 years ago | 11.9 | 17 | 9.6 | 19 | 23.1 | 12 | 2.4 | 38 | 3.9 | 30 | 1.1 | 58 | 51.9 | 8 | |
21-30 years ago | 4.3 | 29 | 4.2 | 29 | 11.7 | 17 | 1.0 | 58 | 2.8 | 35 | 1.1 | 58 | 25.2 | 12 | |
31-40 years ago | 2.9 | 35 | 1.8 | 45 | 5.7 | 25 | 0.7 | 71 | 1.1 | 58 | 1.1 | 58 | 13.1 | 16 | |
41-50 years ago | 1.8 | 45 | 0.7 | 71 | 3.9 | 30 | 0.7 | 71 | . | . | 1.4 | 50 | 8.5 | 20 | |
over 50 years ago | 0.7 | 71 | 1.4 | 50 | 4.3 | 29 | 4.4 | 27 | 2.1 | 41 | 6.4 | 23 | 19.4 | 13 | |
total | 54.8 | 7 | 80.3 | 6 | 83.8 | 6 | 11.6 | 16 | 14.5 | 15 | 14.6 | 15 | 259.6 | 3 | |
11-20 years | less than 10 years ago | 15.5 | 15 | 17.7 | 14 | 30.5 | 10 | 3.4 | 31 | 7.4 | 21 | 1.1 | 58 | 75.6 | 7 |
11-20 years ago | 5.8 | 25 | 3.5 | 31 | 17.4 | 14 | 5.8 | 24 | 2.5 | 37 | 2.1 | 41 | 37.1 | 10 | |
21-30 years ago | 2.9 | 35 | 1.1 | 58 | 8.5 | 20 | 2.1 | 41 | 2.5 | 37 | 2.8 | 35 | 19.9 | 13 | |
31-40 years ago | 1.1 | 58 | . | . | 3.9 | 30 | 0.7 | 71 | 1.4 | 50 | 1.4 | 50 | 8.5 | 20 | |
41-50 years ago | 1.8 | 45 | . | . | 6.0 | 24 | 1.4 | 50 | . | . | 0.7 | 71 | 9.9 | 19 | |
over 50 years ago | 0.7 | 71 | 1.1 | 58 | 8.6 | 20 | 6.5 | 22 | 2.1 | 41 | 11.4 | 17 | 30.4 | 11 | |
total | 27.8 | 11 | 23.4 | 12 | 74.9 | 6 | 19.9 | 12 | 15.9 | 14 | 19.6 | 13 | 181.4 | 4 | |
> 20 years | less than 10 years ago | 2.5 | 38 | 2.8 | 35 | 26.3 | 11 | 13.7 | 15 | 13.1 | 16 | 7.8 | 21 | 66.3 | 7 |
11-20 years ago | 5.4 | 26 | 1.1 | 58 | 14.3 | 16 | 4.8 | 26 | 12.0 | 16 | 7.1 | 22 | 44.7 | 9 | |
21-30 years ago | 2.5 | 38 | 2.5 | 38 | 13.4 | 16 | 4.8 | 26 | 12.6 | 16 | 8.8 | 20 | 44.7 | 9 | |
31-40 years ago | 5.4 | 26 | 1.1 | 58 | 12.2 | 17 | 5.2 | 25 | 8.8 | 19 | 9.8 | 18 | 42.4 | 9 | |
41-50 years ago | 2.5 | 38 | 1.8 | 45 | 10.5 | 18 | 6.2 | 23 | 6.0 | 24 | 6.6 | 23 | 33.6 | 10 | |
over 50 years ago | 6.8 | 23 | 2.1 | 41 | 37.2 | 9 | 25.0 | 10 | 25.6 | 11 | 69.0 | 6 | 165.8 | 4 | |
total | 25.2 | 11 | 11.3 | 17 | 113.9 | 5 | 59.7 | 6 | 78.1 | 5 | 109.2 | 4 | 397.6 | 2 | |
total | less than 10 years ago | 101.6 | 4 | 196.6 | 2 | 127.2 | 4 | 21.2 | 12 | 28.3 | 10 | 16.1 | 14 | 491.0 | 2 |
11-20 years ago | 47.6 | 8 | 36.8 | 9 | 81.4 | 6 | 14.0 | 15 | 21.9 | 12 | 11.4 | 17 | 213.1 | 4 | |
21-30 years ago | 18.4 | 13 | 12.7 | 16 | 45.0 | 9 | 9.3 | 19 | 20.4 | 12 | 14.9 | 15 | 120.7 | 5 | |
31-40 years ago | 11.9 | 17 | 5.0 | 27 | 28.5 | 11 | 6.9 | 22 | 13.0 | 16 | 13.0 | 16 | 78.3 | 7 | |
41-50 years ago | 6.9 | 23 | 2.8 | 35 | 23.9 | 12 | 9.3 | 19 | 7.0 | 22 | 10.2 | 18 | 60.2 | 7 | |
over 50 years ago | 9.7 | 19 | 4.6 | 28 | 53.9 | 8 | 40.7 | 8 | 32.3 | 9 | 92.5 | 5 | 233.8 | 3 | |
total | 196.0 | 1 | 258.6 | 1 | 360.0 | 1 | 101.5 | 3 | 123.0 | 2 | 158.0 | 2 | 1197.2 | 1 |
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