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rockfall SilvaProtect | |||||||||
---|---|---|---|---|---|---|---|---|---|
n/a | inside perimeter | outside perimeter | total | ||||||
canton | degree of cover (aerial photo, 5 classes) | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % |
AG | 0-20% | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.2 | 100 |
21-40% | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
41-60% | 1.1 | 39 | 0.0 | . | 0.0 | . | 1.1 | 39 | |
61-80% | 10.9 | 11 | 0.0 | . | 0.4 | 70 | 11.2 | 11 | |
over 80% | 33.8 | 4 | 0.0 | . | 1.2 | 37 | 35.1 | 4 | |
total | 46.0 | 2 | 0.0 | . | 1.6 | 33 | 47.6 | 2 | |
AI | 0-20% | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.2 | 100 |
21-40% | 0.4 | 71 | 0.0 | . | 0.1 | 100 | 0.5 | 58 | |
41-60% | 0.4 | 71 | 0.0 | . | 0.6 | 48 | 1.0 | 39 | |
61-80% | 0.3 | 69 | 0.0 | . | 0.8 | 42 | 1.1 | 34 | |
over 80% | 1.1 | 35 | 0.0 | . | 1.2 | 33 | 2.3 | 21 | |
total | 2.3 | 23 | 0.0 | . | 2.8 | 18 | 5.0 | 9 | |
AR | 0-20% | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
21-40% | 0.0 | . | 0.0 | . | 0.1 | 100 | 0.1 | 100 | |
41-60% | 0.1 | 100 | 0.0 | . | 0.2 | 100 | 0.4 | 74 | |
61-80% | 2.6 | 21 | 0.0 | . | 0.7 | 44 | 3.3 | 18 | |
over 80% | 2.3 | 25 | 0.0 | . | 2.0 | 22 | 4.3 | 14 | |
total | 5.0 | 12 | 0.0 | . | 3.1 | 18 | 8.1 | 6 | |
BE | 0-20% | 1.3 | 37 | 0.2 | 100 | 1.5 | 35 | 2.9 | 24 |
21-40% | 4.8 | 19 | 0.0 | . | 2.2 | 29 | 7.0 | 16 | |
41-60% | 12.5 | 11 | 0.7 | 50 | 11.8 | 12 | 25.0 | 8 | |
61-80% | 29.3 | 7 | 1.3 | 38 | 31.1 | 7 | 61.7 | 4 | |
over 80% | 46.9 | 5 | 2.5 | 27 | 30.0 | 7 | 79.4 | 3 | |
total | 94.8 | 3 | 4.7 | 19 | 76.5 | 4 | 176.0 | 1 | |
BL/BS | 0-20% | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
21-40% | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
41-60% | 0.6 | 58 | 0.0 | . | 0.0 | . | 0.6 | 58 | |
61-80% | 4.1 | 20 | 0.0 | . | 1.2 | 40 | 5.3 | 17 | |
over 80% | 11.6 | 9 | 0.4 | 73 | 2.4 | 26 | 14.5 | 7 | |
total | 16.4 | 6 | 0.4 | 73 | 3.6 | 21 | 20.5 | 3 | |
FR | 0-20% | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
21-40% | 0.4 | 70 | 0.0 | . | 0.2 | 100 | 0.6 | 57 | |
41-60% | 2.6 | 26 | 0.0 | . | 2.5 | 26 | 5.0 | 18 | |
61-80% | 6.3 | 16 | 0.0 | . | 5.9 | 16 | 12.2 | 11 | |
over 80% | 19.0 | 7 | 0.0 | . | 5.8 | 16 | 24.8 | 6 | |
total | 28.3 | 5 | 0.0 | . | 14.3 | 9 | 42.7 | 2 | |
GE | 0-20% | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
21-40% | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
41-60% | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.3 | 100 | |
61-80% | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.2 | 100 | |
over 80% | 2.5 | 18 | 0.0 | . | 0.0 | . | 2.5 | 18 | |
total | 2.9 | 15 | 0.0 | . | 0.0 | . | 2.9 | 15 | |
GL | 0-20% | 0.5 | 58 | 0.0 | . | 0.3 | 70 | 0.9 | 44 |
21-40% | 1.0 | 40 | 0.0 | . | 0.3 | 69 | 1.3 | 34 | |
41-60% | 2.4 | 26 | 0.3 | 70 | 2.1 | 28 | 4.9 | 17 | |
61-80% | 2.3 | 27 | 0.6 | 47 | 1.4 | 35 | 4.3 | 18 | |
over 80% | 3.1 | 22 | 1.3 | 37 | 4.3 | 18 | 8.7 | 11 | |
total | 9.4 | 12 | 2.2 | 26 | 8.4 | 11 | 20.0 | 4 | |
GR | 0-20% | 2.0 | 30 | 0.0 | . | 1.9 | 30 | 3.9 | 21 |
21-40% | 13.2 | 11 | 0.0 | . | 16.4 | 10 | 29.6 | 7 | |
41-60% | 24.6 | 8 | 1.9 | 30 | 28.2 | 7 | 54.7 | 5 | |
61-80% | 28.3 | 8 | 2.8 | 25 | 31.9 | 7 | 62.9 | 4 | |
over 80% | 15.8 | 10 | 1.4 | 35 | 19.2 | 9 | 36.4 | 6 | |
total | 83.9 | 4 | 6.0 | 17 | 97.6 | 3 | 187.5 | 1 | |
JU | 0-20% | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.2 | 100 |
21-40% | 0.4 | 71 | 0.0 | . | 0.0 | . | 0.4 | 71 | |
41-60% | 2.4 | 25 | 0.0 | . | 0.2 | 100 | 2.6 | 25 | |
61-80% | 3.9 | 20 | 0.4 | 71 | 3.3 | 22 | 7.6 | 14 | |
over 80% | 14.7 | 8 | 0.7 | 49 | 7.3 | 14 | 22.7 | 5 | |
total | 21.5 | 6 | 1.1 | 40 | 10.7 | 11 | 33.3 | 2 | |
LU | 0-20% | 0.2 | 100 | 0.0 | . | 0.2 | 100 | 0.4 | 71 |
21-40% | 2.0 | 30 | 0.0 | . | 0.0 | . | 2.0 | 30 | |
41-60% | 2.9 | 25 | 0.0 | . | 0.6 | 57 | 3.4 | 22 | |
61-80% | 10.9 | 11 | 0.0 | . | 1.9 | 30 | 12.8 | 10 | |
over 80% | 19.3 | 7 | 0.0 | . | 4.5 | 19 | 23.8 | 5 | |
total | 35.3 | 4 | 0.0 | . | 7.2 | 14 | 42.5 | 2 | |
NE | 0-20% | 0.6 | 59 | 0.0 | . | 0.0 | . | 0.6 | 59 |
21-40% | 0.8 | 49 | 0.0 | . | 0.2 | 100 | 1.0 | 44 | |
41-60% | 3.7 | 21 | 0.0 | . | 0.2 | 100 | 3.9 | 20 | |
61-80% | 9.6 | 11 | 0.0 | . | 1.8 | 29 | 11.3 | 10 | |
over 80% | 9.5 | 11 | 0.2 | 100 | 1.8 | 29 | 11.5 | 9 | |
total | 24.2 | 4 | 0.2 | 100 | 3.9 | 19 | 28.3 | 3 | |
NW | 0-20% | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.2 | 100 |
21-40% | 0.7 | 54 | 0.0 | . | 0.0 | . | 0.7 | 54 | |
41-60% | 1.0 | 45 | 0.0 | . | 0.5 | 68 | 1.5 | 36 | |
61-80% | 1.5 | 35 | 0.1 | 100 | 0.6 | 57 | 2.2 | 26 | |
over 80% | 1.2 | 40 | 0.5 | 59 | 2.0 | 28 | 3.7 | 18 | |
total | 4.4 | 16 | 0.7 | 50 | 3.3 | 21 | 8.4 | 6 | |
OW | 0-20% | 0.4 | 71 | 0.0 | . | 0.2 | 100 | 0.5 | 58 |
21-40% | 1.0 | 41 | 0.0 | . | 0.4 | 55 | 1.4 | 33 | |
41-60% | 3.2 | 22 | 0.1 | 100 | 1.5 | 32 | 4.9 | 16 | |
61-80% | 3.0 | 23 | 0.2 | 100 | 3.4 | 21 | 6.6 | 14 | |
over 80% | 2.4 | 25 | 0.0 | . | 4.0 | 19 | 6.4 | 14 | |
total | 10.0 | 11 | 0.3 | 72 | 9.5 | 10 | 19.7 | 3 | |
SG | 0-20% | 0.8 | 49 | 0.0 | . | 0.4 | 71 | 1.2 | 40 |
21-40% | 2.0 | 30 | 0.0 | . | 1.4 | 37 | 3.4 | 23 | |
41-60% | 4.6 | 20 | 0.0 | . | 5.1 | 18 | 9.7 | 13 | |
61-80% | 7.7 | 15 | 1.1 | 44 | 10.5 | 12 | 19.2 | 8 | |
over 80% | 10.6 | 12 | 1.0 | 41 | 15.1 | 9 | 26.7 | 6 | |
total | 25.6 | 7 | 2.1 | 30 | 32.5 | 5 | 60.2 | 2 | |
SH | 0-20% | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.2 | 100 |
21-40% | 0.4 | 70 | 0.0 | . | 0.0 | . | 0.4 | 70 | |
41-60% | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
61-80% | 2.3 | 26 | 0.0 | . | 0.4 | 69 | 2.7 | 24 | |
over 80% | 8.9 | 8 | 0.0 | . | 0.2 | 100 | 9.1 | 8 | |
total | 11.8 | 3 | 0.0 | . | 0.5 | 56 | 12.4 | 2 | |
SO | 0-20% | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
21-40% | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
41-60% | 1.0 | 44 | 0.0 | . | 0.0 | . | 1.0 | 44 | |
61-80% | 5.2 | 17 | 0.2 | 100 | 0.0 | . | 5.4 | 17 | |
over 80% | 23.2 | 5 | 1.0 | 44 | 1.9 | 30 | 26.1 | 4 | |
total | 29.4 | 3 | 1.2 | 40 | 1.9 | 30 | 32.5 | 2 | |
SZ | 0-20% | 0.6 | 58 | 0.0 | . | 0.2 | 100 | 0.8 | 50 |
21-40% | 1.4 | 35 | 0.2 | 100 | 0.4 | 69 | 1.9 | 30 | |
41-60% | 3.0 | 23 | 0.0 | . | 1.3 | 37 | 4.3 | 19 | |
61-80% | 5.0 | 18 | 0.2 | 100 | 4.1 | 19 | 9.3 | 12 | |
over 80% | 5.5 | 16 | 0.6 | 58 | 7.0 | 14 | 13.1 | 8 | |
total | 15.4 | 9 | 1.0 | 44 | 12.9 | 9 | 29.3 | 3 | |
TG | 0-20% | 0.4 | 75 | 0.0 | . | 0.0 | . | 0.4 | 75 |
21-40% | 0.5 | 49 | 0.0 | . | 0.0 | . | 0.5 | 49 | |
41-60% | 1.0 | 36 | 0.0 | . | 0.1 | 100 | 1.1 | 33 | |
61-80% | 4.7 | 17 | 0.0 | . | 1.4 | 35 | 6.1 | 15 | |
over 80% | 10.8 | 9 | 0.0 | . | 0.8 | 42 | 11.6 | 8 | |
total | 17.3 | 4 | 0.0 | . | 2.3 | 25 | 19.7 | 3 | |
TI | 0-20% | 0.4 | 71 | 0.2 | 100 | 1.2 | 38 | 1.7 | 32 |
21-40% | 2.8 | 25 | 0.2 | 100 | 5.8 | 17 | 8.8 | 14 | |
41-60% | 9.0 | 14 | 1.2 | 38 | 17.4 | 10 | 27.5 | 7 | |
61-80% | 11.8 | 12 | 2.5 | 27 | 30.8 | 7 | 45.1 | 5 | |
over 80% | 9.0 | 14 | 4.7 | 19 | 41.0 | 5 | 54.7 | 4 | |
total | 32.9 | 7 | 8.8 | 14 | 96.2 | 3 | 137.9 | 1 | |
UR | 0-20% | 0.7 | 49 | 0.0 | . | 0.3 | 71 | 1.0 | 40 |
21-40% | 1.7 | 31 | 0.2 | 100 | 0.5 | 58 | 2.3 | 25 | |
41-60% | 2.4 | 26 | 1.4 | 34 | 1.0 | 40 | 4.7 | 17 | |
61-80% | 2.8 | 24 | 1.2 | 37 | 2.7 | 23 | 6.7 | 14 | |
over 80% | 2.6 | 25 | 0.5 | 58 | 1.9 | 29 | 5.0 | 17 | |
total | 10.1 | 11 | 3.3 | 21 | 6.4 | 13 | 19.8 | 5 | |
VD | 0-20% | 1.1 | 41 | 0.0 | . | 0.5 | 58 | 1.6 | 33 |
21-40% | 5.9 | 17 | 0.0 | . | 1.4 | 35 | 7.3 | 15 | |
41-60% | 12.9 | 11 | 0.2 | 100 | 3.7 | 21 | 16.8 | 9 | |
61-80% | 21.0 | 8 | 0.0 | . | 7.2 | 15 | 28.2 | 7 | |
over 80% | 34.6 | 6 | 0.5 | 58 | 8.4 | 13 | 43.6 | 5 | |
total | 75.4 | 3 | 0.7 | 50 | 21.2 | 8 | 97.4 | 2 | |
VS | 0-20% | 1.8 | 31 | 0.2 | 100 | 1.6 | 33 | 3.5 | 22 |
21-40% | 5.2 | 18 | 0.5 | 58 | 7.8 | 14 | 13.5 | 11 | |
41-60% | 11.3 | 12 | 1.6 | 33 | 17.4 | 9 | 30.4 | 7 | |
61-80% | 9.2 | 14 | 2.6 | 26 | 28.4 | 7 | 40.2 | 6 | |
over 80% | 8.9 | 14 | 2.6 | 26 | 18.3 | 9 | 29.8 | 7 | |
total | 36.4 | 6 | 7.5 | 15 | 73.5 | 3 | 117.4 | 2 | |
ZG | 0-20% | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
21-40% | 0.0 | . | 0.0 | . | 0.1 | 100 | 0.1 | 100 | |
41-60% | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
61-80% | 1.2 | 32 | 0.0 | . | 0.3 | 68 | 1.5 | 29 | |
over 80% | 1.9 | 26 | 0.0 | . | 2.1 | 23 | 4.0 | 12 | |
total | 3.1 | 17 | 0.0 | . | 2.6 | 19 | 5.7 | 6 | |
ZH | 0-20% | 0.3 | 70 | 0.0 | . | 0.0 | . | 0.3 | 70 |
21-40% | 0.7 | 49 | 0.0 | . | 0.0 | . | 0.7 | 49 | |
41-60% | 2.8 | 24 | 0.0 | . | 0.2 | 100 | 2.9 | 24 | |
61-80% | 10.7 | 11 | 0.0 | . | 0.2 | 100 | 10.9 | 11 | |
over 80% | 33.3 | 4 | 0.0 | . | 1.3 | 37 | 34.6 | 4 | |
total | 47.9 | 2 | 0.0 | . | 1.6 | 33 | 49.4 | 1 | |
Switzerland | 0-20% | 11.6 | 12 | 0.5 | 58 | 8.6 | 14 | 20.7 | 9 |
21-40% | 45.2 | 6 | 1.1 | 41 | 37.2 | 7 | 83.5 | 4 | |
41-60% | 105.7 | 4 | 7.4 | 15 | 94.5 | 4 | 207.6 | 3 | |
61-80% | 194.7 | 3 | 13.1 | 12 | 170.1 | 3 | 378.0 | 2 | |
over 80% | 332.7 | 2 | 17.9 | 10 | 183.7 | 3 | 534.3 | 1 | |
total | 689.8 | 1 | 40.1 | 6 | 494.1 | 1 | 1224.1 | 0 |
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