Vallée de l'Orne et ses affluents
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2010
21 km²
Commune · FRA
La Forêt-Auvray
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 531
Observations
26 356
Area
11,1km²
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
1 531 distinct species · 26 356 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,4°C
Annual rain
808mm
Warmest m°
21,6°C
Coldest m°
1,6°C
Elevation: 201 m on average (min 137 m, max 235 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,4°C
Annual rain
808mm
Warmest month
21,6°C
Coldest month
1,6°C
Mean alt.
201m
Min
137m
Max
235m
Std. dev.
34m
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
5,8
Org. C
37,9g/kg
Clay
21,7%
Sand
21,2%
Silt
57,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Orne
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,7
Org. C
56,9g/kg
Clay
21,8%
Sand
21,2%
Silt
57,0%
5–15 cm
pH H₂O
5,8
Org. C
32,5g/kg
Clay
21,1%
Sand
20,7%
Silt
58,2%
15–30 cm
pH H₂O
5,8
Org. C
24,2g/kg
Clay
22,2%
Sand
21,9%
Silt
56,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest28.6%
Crops36.3%
Built-up0.4%
Bare soil0.2%
Other (grassland, water…)34.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
0,7km
Basins crossed
2
Max stream order
4
Max drainage
1 182km²
Discharge in basins
0,2m³/s
Mean precip.
751mm/an
Mean T°
9,8°C
Moisture idx
-0,03
Max snow
7%
Mean runoff
509mm/an
Mean elev. (basins)
213m
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
39,7%
Pesticides
31,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN IV · 2IUCN Not Reported · 1
La Rouvre Et Ses Affluents
IUCN IVBiotope Protection Order · 2018
3 km²
Le Fleuve L\'Orne, Le Ruisseau De La Fontaine-Aux-Hérons Et Ses Affluents
IUCN IVBiotope Protection Order · 1994
0 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.