Ontologia

Commune · FRA

Meulan-en-Yvelines

France

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

Species observed

2 872

Observations

89 229

Area

3,5km²

Ecological tissue

Sample of 34 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 Meulan-en-Yvelines : 23 espèces reliées par 139 interactions GloBI sur 5 types (connectance 24.8%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
139
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

2 872 distinct species · 89 229 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

89 229 obs · 3 cellules
Obs. / cellule
≥ 39 291
39 291–39 290
39 291–39 290
30 294–39 290
< 30 294

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

Climate

Mean T°

11,2°C

Annual rain

675mm

Warmest m°

23,2°C

Coldest m°

1,3°C

Elevation: 45 m on average (min 23 m, max 60 m)

Bioclimatic detailsExpert
Annual mean temp.
11,2°C
Annual rain
675mm
Warmest month
23,2°C
Coldest month
1,3°C
Mean alt.
45m
Min
23m
Max
60m
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

6,8

Org. C

19,3g/kg

Clay

24,4%

Sand

30,6%

Silt

44,9%

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
6,5
Org. C
30,1g/kg
Clay
23,5%
Sand
31,0%
Silt
45,4%
5–15 cm
pH H₂O
6,9
Org. C
14,2g/kg
Clay
23,8%
Sand
30,8%
Silt
45,4%
15–30 cm
pH H₂O
6,8
Org. C
13,5g/kg
Clay
26,0%
Sand
30,0%
Silt
44,0%

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

Land cover

Forest12.7%
Crops7.9%
Built-up8.4%
Bare soil0.6%
Other (grassland, water…)70.4%

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

Hydrology1 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

5,1km

Basins crossed

1

Max stream order

6

Max drainage

61 656km²

Discharge in basins

4,3m³/s

Mean precip.

634mm/an

Mean T°

10,5°C

Moisture idx

-0,21

Max snow

6%

Mean runoff

221mm/an

Mean elev. (basins)

93m

Watersheds crossing here

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

Human pressure

Pop. density

14hab/km²

Night light

17,5nW

Built-up

839,7%

Pesticides

46,9kg/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.