Vallée du Loir et affluents aux environs de Châteaudun
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2011
13 km²
Commune · FRA
Saint-Denis-les-Ponts
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
928
Observations
9 171
Area
13,7km²
Ecological tissue
Sample of 43 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 Saint-Denis-les-Ponts : 33 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 88 interactions GloBI sur 5 types (connectance 8.9%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
45
Interactions affichées
88
Connectance
0.089
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
928 distinct species · 9 171 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,1°C
Annual rain
651mm
Warmest m°
23,6°C
Coldest m°
1,1°C
Elevation: 126 m on average (min 106 m, max 147 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,1°C
Annual rain
651mm
Warmest month
23,6°C
Coldest month
1,1°C
Mean alt.
126m
Min
106m
Max
147m
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
6,3
Org. C
23,2g/kg
Clay
25,1%
Sand
14,6%
Silt
60,3%
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
6,2
Org. C
38,5g/kg
Clay
22,5%
Sand
15,0%
Silt
62,6%
5–15 cm
pH H₂O
6,4
Org. C
17,0g/kg
Clay
25,0%
Sand
13,5%
Silt
61,4%
15–30 cm
pH H₂O
6,4
Org. C
14,3g/kg
Clay
27,9%
Sand
15,2%
Silt
56,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest19.9%
Crops54.0%
Built-up1.7%
Bare soil0.3%
Other (grassland, water…)24.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
10,5km
Basins crossed
1
Max stream order
5
Max drainage
4 653km²
Discharge in basins
0,2m³/s
Mean precip.
655mm/an
Mean T°
10,7°C
Moisture idx
-0,22
Max snow
5%
Mean runoff
205mm/an
Mean elev. (basins)
138m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,2nW
Built-up
166,5%
Pesticides
45,1kg/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.