Haute Vallée De Chevreuse
IUCN VRegional Nature Park · 1985
659 km²
Commune · FRA
Galluis
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 923
Observations
105 590
Area
4,6km²
Ecological tissue
Sample of 30 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 Galluis : 15 espèces reliées par 103 interactions GloBI sur 6 types (connectance 22.2%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
31
Interactions affichées
103
Connectance
0.222
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
2 923 distinct species · 105 590 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,8°C
Annual rain
688mm
Warmest m°
23,0°C
Coldest m°
1,0°C
Elevation: 122 m on average (min 94 m, max 177 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,8°C
Annual rain
688mm
Warmest month
23,0°C
Coldest month
1,0°C
Mean alt.
122m
Min
94m
Max
177m
Std. dev.
18m
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
6,2
Org. C
29,8g/kg
Clay
25,2%
Sand
23,5%
Silt
51,2%
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
6,0
Org. C
56,2g/kg
Clay
23,9%
Sand
23,9%
Silt
52,1%
5–15 cm
pH H₂O
6,3
Org. C
20,3g/kg
Clay
24,6%
Sand
23,1%
Silt
52,1%
15–30 cm
pH H₂O
6,3
Org. C
12,8g/kg
Clay
27,0%
Sand
23,5%
Silt
49,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest22.4%
Crops49.5%
Built-up2.2%
Bare soil0.2%
Other (grassland, water…)25.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
3,0km
Basins crossed
1
Max stream order
1
Max drainage
405km²
Discharge in basins
0,0m³/s
Mean precip.
638mm/an
Mean T°
10,4°C
Moisture idx
-0,20
Max snow
6%
Mean runoff
203mm/an
Mean elev. (basins)
127m
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
1,9nW
Built-up
215,8%
Pesticides
43,3kg/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.