Haut-Languedoc
IUCN VRegional Nature Park · 1973
3 070 km²
Commune · FRA
Viane
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
987
Observations
15 620
Area
38,8km²
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Species present
987 distinct species · 15 620 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,6°C
Annual rain
1 556mm
Warmest m°
23,3°C
Coldest m°
0,2°C
Elevation: 662 m on average (min 556 m, max 798 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,6°C
Annual rain
1 556mm
Warmest month
23,3°C
Coldest month
0,2°C
Mean alt.
662m
Min
556m
Max
798m
Std. dev.
73m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,4
Org. C
46,3g/kg
Clay
24,7%
Sand
37,2%
Silt
38,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Tarn
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,4
Org. C
75,2g/kg
Clay
23,4%
Sand
37,9%
Silt
38,7%
5–15 cm
pH H₂O
6,5
Org. C
37,7g/kg
Clay
23,8%
Sand
37,9%
Silt
38,3%
15–30 cm
pH H₂O
6,5
Org. C
25,8g/kg
Clay
26,8%
Sand
35,8%
Silt
37,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest53.0%
Crops20.3%
Built-up0.3%
Bare soil0.3%
Other (grassland, water…)26.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
14,3km
Basins crossed
1
Max stream order
2
Max drainage
214km²
Discharge in basins
0,6m³/s
Mean precip.
833mm/an
Mean T°
10,9°C
Moisture idx
-0,09
Max snow
9%
Mean runoff
496mm/an
Mean elev. (basins)
705m
Watersheds crossing here
Rivers / streams (5, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
30,5%
Pesticides
7,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 1IUCN Not Reported · 1
Vallées du Tarn, de l'Aveyron, du Viaur, de l'Agout et du Gijou
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2007
171 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
France-specific data (Phase 2)
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.