Vallée de l'Eure
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
31 km²
Commune · FRA
Heudreville-sur-Eure
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 033
Observations
30 456
Area
14,4km²
Ecological tissue
Sample of 28 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 Heudreville-sur-Eure : 16 espèces reliées par 102 interactions GloBI sur 5 types (connectance 23.4%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
102
Connectance
0.234
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
2 033 distinct species · 30 456 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,9°C
Annual rain
697mm
Warmest m°
22,7°C
Coldest m°
1,3°C
Elevation: 76 m on average (min 29 m, max 127 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,9°C
Annual rain
697mm
Warmest month
22,7°C
Coldest month
1,3°C
Mean alt.
76m
Min
29m
Max
127m
Std. dev.
31m
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
6,1
Org. C
38,8g/kg
Clay
23,1%
Sand
17,7%
Silt
59,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Eure
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
66,1g/kg
Clay
22,3%
Sand
17,5%
Silt
60,3%
5–15 cm
pH H₂O
6,1
Org. C
33,0g/kg
Clay
23,2%
Sand
17,1%
Silt
59,8%
15–30 cm
pH H₂O
6,2
Org. C
17,5g/kg
Clay
23,9%
Sand
18,5%
Silt
57,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest37.8%
Crops41.0%
Built-up0.7%
Bare soil0.2%
Other (grassland, water…)20.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
4,1km
Basins crossed
3
Max stream order
5
Max drainage
5 908km²
Discharge in basins
1,0m³/s
Mean precip.
635mm/an
Mean T°
10,2°C
Moisture idx
-0,19
Max snow
8%
Mean runoff
353mm/an
Mean elev. (basins)
127m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
70,3%
Pesticides
46,6kg/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.