| °Landschaft |
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| NAM |
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XUNITE |
XAUGM8495 |
XDIM8495 |
XAUGM7283 |
XDIM7283 |
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| Arbres isolés
et groupes d'arbres |
Nombre |
15600 |
-4182 |
6130 |
-5400 |
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| Haies |
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m |
191000 |
-35000 |
54100 |
-20800 |
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| Arbres fruitiers |
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Nombre |
34132 |
-133803 |
32770 |
-87550 |
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| Mise sous
terre de cours d'eau |
m |
85000 |
-85000 |
167000 |
0 |
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| Correction/
endiguement de cours d'eau |
m |
27000 |
0 |
25000 |
0 |
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| Berges et digues |
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m |
75000 |
-37000 |
# |
# |
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| Legende: |
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| XAUGM |
Zunahme/ Augmentation |
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| XDIM |
Abnahme/ Diminution |
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| XUNITE |
Einheit/ Unité de mesure |
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| Utilisation du
sol en hectares |
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| NAM |
1979/85 |
1992/97 |
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| **Total Suisse |
4128476 |
4128476 |
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| *Surfaces boisées |
1254612 |
1271645 |
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| forêt (sans la forêt buissonnante) |
1086940 |
1102156 |
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| Forêt buissonnante |
57345 |
60514 |
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| autres surfaces boisées |
110327 |
108975 |
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| *Surfaces agricoles utiles |
1573293 |
1525119 |
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| arboriculture fruitière, viticulture, horitculture |
70937 |
60952 |
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| prés, terres arables et pâturages |
946695 |
926366 |
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| alpages |
555661 |
537801 |
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| *Surfaces d'habitat et d'infrastructure |
246409 |
279095 |
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| Aires de bâtiment et aires industrielles |
1.14 |
28.58 |
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| Surfaces d'infrastructure spéciale |
16961 |
16133 |
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| Espaces verst et lieux de détente |
13578 |
15860 |
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| Surfaces de transport |
81498 |
89331 |
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| *Surfaces improductives |
1054162 |
1052617 |
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| Lacs |
142274 |
142235 |
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| Cours d'eau |
31569 |
31732 |
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| végétation improductive |
261312 |
263051 |
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| surfaces sans végétation |
619007 |
615599 |
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| Accroissement des surfaces
protégées |
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| NAM |
XGF |
XSGF |
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| 1961 |
0.4 |
0 |
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| 1977 |
0.4 |
4.14 |
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| 1983 |
0.4 |
12.89 |
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| 1991 |
0.44 |
13.08 |
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| 1992 |
0.7 |
15.5 |
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| 1994 |
0.92 |
15.43 |
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| 1996 |
1.1 |
19.65 |
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| 1998 |
1.14 |
21.15 |
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| 2000 |
1.15 |
21.14 |
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| 2001 |
1.55 |
21.05 |
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