Haute Vallée De Chevreuse
IUCN VRegional Nature Park · 1985
659 km²
Commune · FRA
Coignières
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 662
Observations
44 321
Area
8km²
Ecological tissue
Sample of 31 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 Coignières : 18 espèces reliées par 123 interactions GloBI sur 6 types (connectance 24.8%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
32
Interactions affichées
123
Connectance
0.248
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
1 662 distinct species · 44 321 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,6°C
Annual rain
684mm
Warmest m°
22,8°C
Coldest m°
0,8°C
Elevation: 165 m on average (min 130 m, max 172 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,6°C
Annual rain
684mm
Warmest month
22,8°C
Coldest month
0,8°C
Mean alt.
165m
Min
130m
Max
172m
Std. dev.
12m
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
6,8
Org. C
25,5g/kg
Clay
29,7%
Sand
26,5%
Silt
43,7%
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
6,6
Org. C
45,7g/kg
Clay
28,4%
Sand
27,1%
Silt
44,6%
5–15 cm
pH H₂O
7,0
Org. C
17,7g/kg
Clay
29,4%
Sand
25,9%
Silt
44,7%
15–30 cm
pH H₂O
6,9
Org. C
13,2g/kg
Clay
31,4%
Sand
26,6%
Silt
41,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest18.5%
Crops30.8%
Built-up8.0%
Bare soil0.3%
Other (grassland, water…)42.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
2
Max drainage
30 655km²
Discharge in basins
0,5m³/s
Mean precip.
642mm/an
Mean T°
10,6°C
Moisture idx
-0,21
Max snow
6%
Mean runoff
199mm/an
Mean elev. (basins)
121m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
9,7nW
Built-up
796,6%
Pesticides
47,0kg/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.