Haute Vallée De Chevreuse
IUCN VRegional Nature Park · 1985
659 km²
Commune · FRA
Chevreuse
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
4 634
Observations
245 375
Area
14,1km²
Ecological tissue
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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Chevreuse : 30 espèces reliées par 96 interactions GloBI sur 6 types (connectance 13.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
96
Connectance
0.137
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
4 634 distinct species · 245 375 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,8°C
Annual rain
690mm
Warmest m°
23,1°C
Coldest m°
0,9°C
Elevation: 133 m on average (min 111 m, max 170 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,8°C
Annual rain
690mm
Warmest month
23,1°C
Coldest month
0,9°C
Mean alt.
133m
Min
111m
Max
170m
Std. dev.
16m
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
6,7
Org. C
24,4g/kg
Clay
25,9%
Sand
18,6%
Silt
55,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Yvelines
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,5
Org. C
40,4g/kg
Clay
25,1%
Sand
19,0%
Silt
55,9%
5–15 cm
pH H₂O
6,7
Org. C
20,3g/kg
Clay
26,8%
Sand
18,1%
Silt
55,0%
15–30 cm
pH H₂O
6,8
Org. C
12,6g/kg
Clay
25,9%
Sand
18,7%
Silt
55,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest34.8%
Crops40.2%
Built-up2.1%
Bare soil0.1%
Other (grassland, water…)22.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
3,8km
Basins crossed
1
Max stream order
2
Max drainage
30 655km²
Discharge in basins
1,4m³/s
Mean precip.
645mm/an
Mean T°
10,7°C
Moisture idx
-0,21
Max snow
5%
Mean runoff
196mm/an
Mean elev. (basins)
117m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
2,2nW
Built-up
206,3%
Pesticides
47,1kg/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.