Perche
IUCN VRegional Nature Park · 1998
2 014 km²
Commune · FRA
France
Species observed
769
Observations
7 990
Area
27,9km²
Sample of 38 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 Saint-Victor-de-Buthon : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 88 interactions GloBI sur 3 types (connectance 11.9%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
769 distinct species · 7 990 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
10,4°C
Annual rain
798mm
Warmest m°
22,5°C
Coldest m°
0,8°C
Elevation: 218 m on average (min 178 m, max 264 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,3
Org. C
27,7g/kg
Clay
26,2%
Sand
21,8%
Silt
52,0%
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
8,7km
Lake surface here
0,09km²
Basins crossed
2
Max stream order
2
Max drainage
2 420km²
Discharge in basins
0,2m³/s
Mean precip.
681mm/an
Mean T°
10,4°C
Moisture idx
-0,17
Max snow
6%
Mean runoff
263mm/an
Mean elev. (basins)
156m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
0hab/km²
Night light
0,0nW
Built-up
39,9%
Pesticides
45,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Regional Nature Park · 1998
2 014 km²
Special Protection Area (Birds Directive) · 2006
476 km²
Special Areas of Conservation (Habitats Directive) · 2007
4 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.