Unit of estimation: total area interpreted on aerial photos (=99,7% of the total area)
| Jura | Mittelland | Pre-Alps | Alps | Southern Alps |
Switzerland | |||||||
| altitude in m | ha | ±% | ha | ±% | ha | ±% | ha | ±% | ha | ±% | ha | ±% |
| above 1800 | 0 | 0 | 800 | 35 | 9395 | 14 | 4107 | 20 | 14302 | 11 | ||
| 1400 - 1800 | 201 | * | 0 | 3201 | 25 | 12194 | 12 | 2404 | 29 | 18000 | 10 | |
| 1000 - 1400 | 602 | * | -200 | 71 | 1601 | 46 | 5097 | 20 | 1502 | 37 | 8603 | 18 |
| 600 - 1000 | 1003 | 51 | 900 | 53 | -600 | * | 1499 | 47 | 901 | 53 | 3703 | 34 |
| less than 601 | 1304 | 37 | 400 | * | 600 | 41 | 400 | 79 | 300 | * | 3005 | 32 |
| Total | 3110 | 30 | 1100 | 72 | 5603 | 23 | 28585 | 8 | 9215 | 15 | 47613 | 7 |
| % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | |
| in % of NFI1 | 1.6 | 0.5 | 0.5 | 0.3 | 2.6 | 0.6 | 7.6 | 0.6 | 5.6 | 0.9 | 4.0 | 0.3 |
* estimation error over 100%.
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