Vallée de l'Eure de Maintenon à Anet et vallons affluents
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2011
8 km²
Commune · FRA
Dreux
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 028
Observations
60 174
Area
23,8km²
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 Dreux : 20 espèces reliées par 62 interactions GloBI sur 5 types (connectance 16.4%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
28
Interactions affichées
62
Connectance
0.164
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
2 028 distinct species · 60 174 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,8°C
Annual rain
637mm
Warmest m°
23,1°C
Coldest m°
1,1°C
Elevation: 118 m on average (min 80 m, max 132 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,8°C
Annual rain
637mm
Warmest month
23,1°C
Coldest month
1,1°C
Mean alt.
118m
Min
80m
Max
132m
Std. dev.
14m
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
6,8
Org. C
27,3g/kg
Clay
25,0%
Sand
19,3%
Silt
55,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Eure-et-Loir
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,6
Org. C
45,3g/kg
Clay
23,8%
Sand
19,1%
Silt
57,1%
5–15 cm
pH H₂O
6,8
Org. C
19,9g/kg
Clay
25,2%
Sand
18,4%
Silt
56,3%
15–30 cm
pH H₂O
6,8
Org. C
16,6g/kg
Clay
25,9%
Sand
20,3%
Silt
53,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest15.6%
Crops30.6%
Built-up7.9%
Bare soil0.4%
Other (grassland, water…)45.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
6,7km
Basins crossed
4
Max stream order
4
Max drainage
2 562km²
Discharge in basins
3,2m³/s
Mean precip.
654mm/an
Mean T°
10,0°C
Moisture idx
-0,17
Max snow
7%
Mean runoff
326mm/an
Mean elev. (basins)
183m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
7hab/km²
Night light
12,0nW
Built-up
786,1%
Pesticides
46,0kg/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.