Vallée de l'Orne et ses affluents
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2010
21 km²
Commune · FRA
Berjou
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
834
Observations
12 732
Area
8,6km²
Ecological tissue
Sample of 26 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Berjou : 21 espèces reliées par 70 interactions GloBI sur 4 types (connectance 21.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
26
Interactions affichées
70
Connectance
0.215
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
834 distinct species · 12 732 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,5°C
Annual rain
888mm
Warmest m°
21,6°C
Coldest m°
1,7°C
Elevation: 179 m on average (min 136 m, max 210 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,5°C
Annual rain
888mm
Warmest month
21,6°C
Coldest month
1,7°C
Mean alt.
179m
Min
136m
Max
210m
Std. dev.
21m
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
5,9
Org. C
37,3g/kg
Clay
21,7%
Sand
20,2%
Silt
58,1%
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
5,9
Org. C
57,6g/kg
Clay
21,3%
Sand
20,3%
Silt
58,4%
5–15 cm
pH H₂O
5,9
Org. C
32,4g/kg
Clay
21,0%
Sand
19,8%
Silt
59,2%
15–30 cm
pH H₂O
5,9
Org. C
22,0g/kg
Clay
22,7%
Sand
20,5%
Silt
56,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest26.5%
Crops41.6%
Built-up0.7%
Bare soil0.3%
Other (grassland, water…)31.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Basins crossed
2
Max stream order
4
Max drainage
524km²
Discharge in basins
0,2m³/s
Mean precip.
767mm/an
Mean T°
9,9°C
Moisture idx
0,02
Max snow
8%
Mean runoff
663mm/an
Mean elev. (basins)
209m
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
64,8%
Pesticides
30,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 1IUCN IV · 1
La Rouvre Et Ses Affluents
IUCN IVBiotope Protection Order · 2018
3 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.