Haute Vallée De Chevreuse
IUCN VRegional Nature Park · 1985
659 km²
Commune · FRA
Auffargis
France
CfbTemperate, no dry season, warm summer(100 %)
Area
17,1km²
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Species present
Computing species observations from GBIF…
Climate
Mean T°
10,7°C
Annual rain
714mm
Warmest m°
22,9°C
Coldest m°
0,8°C
Elevation: 166 m on average (min 149 m, max 174 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,7°C
Annual rain
714mm
Warmest month
22,9°C
Coldest month
0,8°C
Mean alt.
166m
Min
149m
Max
174m
Std. dev.
8m
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
5,5
Org. C
32,9g/kg
Clay
25,0%
Sand
22,8%
Silt
52,2%
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
5,3
Org. C
63,8g/kg
Clay
23,7%
Sand
23,3%
Silt
53,0%
5–15 cm
pH H₂O
5,5
Org. C
22,4g/kg
Clay
24,6%
Sand
22,5%
Silt
52,9%
15–30 cm
pH H₂O
5,5
Org. C
12,6g/kg
Clay
26,8%
Sand
22,5%
Silt
50,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest38.5%
Crops40.8%
Built-up1.0%
Bare soil0.3%
Other (grassland, water…)19.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology
Computing basins, lakes, rivers…
Human pressure
Pop. density
1hab/km²
Night light
0,8nW
Built-up
99,6%
Pesticides
43,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN Not Reported · 2IUCN IV · 2IUCN V · 1
Massif de Rambouillet et zones humides proches
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2006
171 km²
Tourbières et prairies tourbeuses de la forêt d'Yveline
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2010
8 km²
Etangs et rigoles d’Yveline
IUCN IVNational Nature Reserve · 2021
3 km²
Pont Granval
IUCN IVForest Managed Biological Reserve · 1988
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.