Vallée de l'Eure de Maintenon à Anet et vallons affluents
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2011
8 km²
Commune · FRA
France
Species observed
1 174
Observations
19 933
Area
5,7km²
Sample of 31 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).
Tissu écologique de Bréchamps : 22 espèces reliées par 97 interactions GloBI sur 5 types (connectance 18.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
1 174 distinct species · 19 933 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
10,9°C
Annual rain
623mm
Warmest m°
23,2°C
Coldest m°
1,1°C
Elevation: 120 m on average (min 101 m, max 132 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,8
Org. C
22,7g/kg
Clay
26,8%
Sand
15,8%
Silt
57,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Eure-et-Loir
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
4,8km
Basins crossed
1
Max stream order
4
Max drainage
2 091km²
Discharge in basins
0,1m³/s
Mean precip.
634mm/an
Mean T°
10,3°C
Moisture idx
-0,21
Max snow
7%
Mean runoff
236mm/an
Mean elev. (basins)
149m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
0hab/km²
Night light
1,0nW
Built-up
69,9%
Pesticides
44,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Special Areas of Conservation (Habitats Directive) · 2011
8 km²
Land acquired by a regional conservatory of natural areas · 2017
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.