Haute Vallée De Chevreuse
IUCN VRegional Nature Park · 1985
659 km²
Subdivision · FRA
Maurepas
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
3 907
Observations
263 661
Area
27,5km²
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 Maurepas : 23 espèces reliées par 76 interactions GloBI sur 6 types (connectance 17.5%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
76
Connectance
0.175
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
3 907 distinct species · 263 661 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,7°C
Annual rain
689mm
Warmest m°
22,8°C
Coldest m°
0,8°C
Elevation: 161 m on average (min 93 m, max 172 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,7°C
Annual rain
689mm
Warmest month
22,8°C
Coldest month
0,8°C
Mean alt.
161m
Min
93m
Max
172m
Std. dev.
13m
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
27,9g/kg
Clay
31,7%
Sand
27,3%
Silt
41,0%
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
49,0g/kg
Clay
30,0%
Sand
28,2%
Silt
41,8%
5–15 cm
pH H₂O
6,9
Org. C
21,1g/kg
Clay
31,6%
Sand
26,7%
Silt
41,5%
15–30 cm
pH H₂O
6,8
Org. C
13,5g/kg
Clay
33,4%
Sand
27,1%
Silt
39,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest16.9%
Crops20.7%
Built-up9.3%
Bare soil0.2%
Other (grassland, water…)53.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
0,1km
Lake surface here
0,00km²
Basins crossed
2
Max stream order
1
Max drainage
30 655km²
Discharge in basins
0,8m³/s
Mean precip.
640mm/an
Mean T°
10,5°C
Moisture idx
-0,20
Max snow
6%
Mean runoff
201mm/an
Mean elev. (basins)
124m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
11hab/km²
Night light
10,7nW
Built-up
926,0%
Pesticides
46,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN V · 1IUCN Not Reported · 1IUCN IV · 1
Massif de Rambouillet et zones humides proches
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2006
171 km²
Etangs et rigoles d’Yveline
IUCN IVNational Nature Reserve · 2021
3 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
Sub-administrations3
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.