Haute Vallée De Chevreuse
IUCN VRegional Nature Park · 1985
659 km²
Commune · FRA
Gambais
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
3 837
Observations
142 272
Area
23,1km²
Ecological tissue
Sample of 39 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 Gambais : 26 espèces reliées par 126 interactions GloBI sur 6 types (connectance 16.2%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
40
Interactions affichées
126
Connectance
0.162
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
3 837 distinct species · 142 272 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,8°C
Annual rain
659mm
Warmest m°
23,0°C
Coldest m°
1,1°C
Elevation: 126 m on average (min 103 m, max 177 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,8°C
Annual rain
659mm
Warmest month
23,0°C
Coldest month
1,1°C
Mean alt.
126m
Min
103m
Max
177m
Std. dev.
19m
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
6,9
Org. C
22,3g/kg
Clay
27,3%
Sand
20,2%
Silt
52,6%
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
6,7
Org. C
37,3g/kg
Clay
25,6%
Sand
20,0%
Silt
54,3%
5–15 cm
pH H₂O
6,9
Org. C
17,8g/kg
Clay
27,2%
Sand
19,4%
Silt
53,4%
15–30 cm
pH H₂O
6,9
Org. C
11,9g/kg
Clay
28,9%
Sand
21,1%
Silt
50,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest30.3%
Crops49.0%
Built-up1.1%
Bare soil0.2%
Other (grassland, water…)19.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
7,6km
Basins crossed
2
Max stream order
2
Max drainage
4 550km²
Discharge in basins
0,9m³/s
Mean precip.
626mm/an
Mean T°
10,2°C
Moisture idx
-0,20
Max snow
7%
Mean runoff
323mm/an
Mean elev. (basins)
123m
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
0,7nW
Built-up
114,8%
Pesticides
38,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN Not Reported · 2IUCN V · 1IUCN IV · 1
Massif de Rambouillet et zones humides proches
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2006
171 km²
Forêt de Rambouillet
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2010
20 km²
Etang Neuf
IUCN IVForest Managed Biological Reserve · 1988
3 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.