Haute Vallée De Chevreuse
IUCN VRegional Nature Park · 1985
659 km²
Commune · FRA
Angervilliers
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 833
Observations
32 505
Area
9,1km²
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 Angervilliers : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 140 interactions GloBI sur 6 types (connectance 14.8%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
44
Interactions affichées
140
Connectance
0.148
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 833 distinct species · 32 505 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,0°C
Annual rain
656mm
Warmest m°
23,4°C
Coldest m°
0,9°C
Elevation: 117 m on average (min 90 m, max 144 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,0°C
Annual rain
656mm
Warmest month
23,4°C
Coldest month
0,9°C
Mean alt.
117m
Min
90m
Max
144m
Std. dev.
17m
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
6,5
Org. C
32,5g/kg
Clay
26,4%
Sand
22,5%
Silt
51,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Essonne
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,3
Org. C
60,0g/kg
Clay
24,6%
Sand
23,0%
Silt
52,4%
5–15 cm
pH H₂O
6,6
Org. C
23,5g/kg
Clay
26,2%
Sand
22,1%
Silt
51,8%
15–30 cm
pH H₂O
6,6
Org. C
13,9g/kg
Clay
28,4%
Sand
22,5%
Silt
49,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest41.6%
Crops37.3%
Built-up1.2%
Bare soil0.4%
Other (grassland, water…)19.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
0,2km
Basins crossed
1
Max stream order
1
Max drainage
30 655km²
Discharge in basins
0,9m³/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 (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,4nW
Built-up
116,8%
Pesticides
47,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN IV · 2IUCN V · 1IUCN Not Reported · 1
Massif de Rambouillet et zones humides proches
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2006
171 km²
Etangs De Baleine Et Brûle-Doux
IUCN IVBiotope Protection Order · 2003
1 km²
etang de bajolet
IUCN IVLand acquired by a regional conservatory of natural areas · 1994
0 km²
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.