Haute Vallée De Chevreuse
IUCN VRegional Nature Park · 1985
659 km²
Commune · FRA
La Boissière-École
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
3 379
Observations
160 050
Area
25,9km²
Ecological tissue
Sample of 41 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 La Boissière-École : 33 espèces reliées par 111 interactions GloBI sur 6 types (connectance 12.9%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
42
Interactions affichées
111
Connectance
0.129
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
3 379 distinct species · 160 050 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,7°C
Annual rain
684mm
Warmest m°
23,0°C
Coldest m°
0,9°C
Elevation: 156 m on average (min 139 m, max 177 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,7°C
Annual rain
684mm
Warmest month
23,0°C
Coldest month
0,9°C
Mean alt.
156m
Min
139m
Max
177m
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
5,9
Org. C
34,0g/kg
Clay
25,0%
Sand
20,6%
Silt
54,3%
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
5,7
Org. C
62,2g/kg
Clay
23,2%
Sand
21,2%
Silt
55,5%
5–15 cm
pH H₂O
6,0
Org. C
24,7g/kg
Clay
24,8%
Sand
20,4%
Silt
54,8%
15–30 cm
pH H₂O
6,0
Org. C
15,0g/kg
Clay
27,0%
Sand
20,3%
Silt
52,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest49.7%
Crops35.1%
Built-up0.5%
Bare soil0.2%
Other (grassland, water…)14.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
1,8km
Basins crossed
2
Max stream order
1
Max drainage
4 550km²
Discharge in basins
0,6m³/s
Mean precip.
633mm/an
Mean T°
10,3°C
Moisture idx
-0,21
Max snow
7%
Mean runoff
246mm/an
Mean elev. (basins)
146m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,4nW
Built-up
47,1%
Pesticides
46,2kg/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
Forêt de Rambouillet
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2010
20 km²
La Houssine
IUCN IVForest Managed Biological Reserve · 1988
2 km²
Mares De Pecqueuse
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.