Basse vallée de l'Arnon
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
13 km²
Commune · FRA
Ardenais
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 389
Observations
19 400
Area
17,6km²
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
1 389 distinct species · 19 400 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,5°C
Annual rain
822mm
Warmest m°
24,5°C
Coldest m°
1,0°C
Elevation: 228 m on average (min 191 m, max 256 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,5°C
Annual rain
822mm
Warmest month
24,5°C
Coldest month
1,0°C
Mean alt.
228m
Min
191m
Max
256m
Std. dev.
17m
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
6,2
Org. C
27,1g/kg
Clay
23,5%
Sand
38,8%
Silt
37,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Cher
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,2
Org. C
46,2g/kg
Clay
22,2%
Sand
39,8%
Silt
37,9%
5–15 cm
pH H₂O
6,3
Org. C
21,6g/kg
Clay
23,8%
Sand
37,9%
Silt
38,3%
15–30 cm
pH H₂O
6,3
Org. C
13,4g/kg
Clay
24,5%
Sand
38,8%
Silt
36,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest14.0%
Crops58.2%
Built-up0.5%
Bare soil0.6%
Other (grassland, water…)26.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
3,2km
Basins crossed
1
Max stream order
3
Max drainage
2 207km²
Discharge in basins
0,1m³/s
Mean precip.
730mm/an
Mean T°
10,9°C
Moisture idx
-0,17
Max snow
5%
Mean runoff
240mm/an
Mean elev. (basins)
196m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
47,2%
Pesticides
44,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
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.