Ontologia

Commune · FRA

Viroflay

France

CfbTemperate, no dry season, warm summer(100 %)

Species observed

2 568

Observations

64 895

Area

3,6km²

Ecological tissue

Sample of 33 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 Viroflay : 27 espèces + 6 bulles famille, 77 interactions GloBI documentées sur 5 types (connectance 14.6%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
33
Interactions affichées
77
Connectance
0.146
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

2 568 distinct species · 64 895 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

64 895 obs · 1 cellules
Obs. / cellule
≥ 64 895
64 895–64 894
64 895–64 894
64 895–64 894
< 64 895

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

10,9°C

Annual rain

724mm

Warmest m°

23,1°C

Coldest m°

0,9°C

Elevation: 138 m on average (min 110 m, max 157 m)

Bioclimatic detailsExpert
Annual mean temp.
10,9°C
Annual rain
724mm
Warmest month
23,1°C
Coldest month
0,9°C
Mean alt.
138m
Min
110m
Max
157m
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

5,9

Org. C

59,5g/kg

Clay

23,5%

Sand

21,0%

Silt

55,5%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: scGLiMaggregated to Yvelines

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
104,7g/kg
Clay
21,5%
Sand
21,5%
Silt
57,0%
5–15 cm
pH H₂O
6,0
Org. C
48,9g/kg
Clay
23,5%
Sand
20,8%
Silt
55,8%
15–30 cm
pH H₂O
6,0
Org. C
24,9g/kg
Clay
25,6%
Sand
20,6%
Silt
53,8%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest26.2%
Crops8.7%
Built-up10.3%
Bare soil0.0%
Other (grassland, water…)54.8%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max stream order

1

Max drainage

44 526km²

Discharge in basins

1,0m³/s

Mean precip.

646mm/an

Mean T°

10,9°C

Moisture idx

-0,21

Max snow

2%

Mean runoff

201mm/an

Mean elev. (basins)

84m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

26hab/km²

Night light

11,0nW

Built-up

1 035,4%

Pesticides

31,8kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

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.