Haute Vallée De Chevreuse
IUCN VRegional Nature Park · 1985
659 km²
Commune · FRA
Hanches
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 539
Observations
68 381
Area
16,6km²
Ecological tissue
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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Hanches : 24 espèces reliées par 112 interactions GloBI sur 6 types (connectance 21.2%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
112
Connectance
0.212
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
2 539 distinct species · 68 381 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,8°C
Annual rain
636mm
Warmest m°
23,3°C
Coldest m°
1,0°C
Elevation: 137 m on average (min 122 m, max 156 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,8°C
Annual rain
636mm
Warmest month
23,3°C
Coldest month
1,0°C
Mean alt.
137m
Min
122m
Max
156m
Std. dev.
10m
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
6,6
Org. C
23,8g/kg
Clay
26,9%
Sand
20,3%
Silt
52,7%
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
6,4
Org. C
40,0g/kg
Clay
24,5%
Sand
20,6%
Silt
54,8%
5–15 cm
pH H₂O
6,6
Org. C
17,7g/kg
Clay
27,3%
Sand
19,7%
Silt
53,0%
15–30 cm
pH H₂O
6,7
Org. C
13,7g/kg
Clay
28,9%
Sand
20,6%
Silt
50,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest6.0%
Crops75.2%
Built-up1.5%
Bare soil0.6%
Other (grassland, water…)16.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
3,1km
Basins crossed
2
Max stream order
2
Max drainage
2 091km²
Discharge in basins
0,3m³/s
Mean precip.
635mm/an
Mean T°
10,3°C
Moisture idx
-0,21
Max snow
7%
Mean runoff
230mm/an
Mean elev. (basins)
149m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,9nW
Built-up
145,6%
Pesticides
45,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN V · 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.