Ontologia

Department · FRA

Val-d'Oise

France

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

Species observed

12 031

Observations

1 915 201

Area

1 253,6km²

Ecological tissue

Sample of 35 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 Val-d'Oise : 28 espèces reliées par 135 interactions GloBI sur 6 types (connectance 22.7%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
135
Connectance
0.227
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

12 031 distinct species · 1 915 201 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 915 201 obs · 59 cellules
Obs. / cellule
≥ 92 950
54 395–92 949
38 216–54 394
29 848–38 215
< 29 848

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

Climate

Mean T°

10,8°C

Annual rain

729mm

Warmest m°

22,9°C

Coldest m°

1,0°C

Elevation: 96 m on average (min 17 m, max 185 m)

Bioclimatic detailsExpert
Annual mean temp.
10,8°C
Annual rain
729mm
Warmest month
22,9°C
Coldest month
1,0°C
Mean alt.
96m
Min
17m
Max
185m
Std. dev.
34m
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

26,7g/kg

Clay

25,2%

Sand

23,5%

Silt

51,3%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
46,4g/kg
Clay
24,2%
Sand
23,8%
Silt
52,1%
5–15 cm
pH H₂O
6,9
Org. C
19,4g/kg
Clay
25,0%
Sand
23,2%
Silt
51,8%
15–30 cm
pH H₂O
6,9
Org. C
14,4g/kg
Clay
26,5%
Sand
23,5%
Silt
50,0%

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

Land cover

Forest15.3%
Crops51.6%
Built-up4.0%
Bare soil0.6%
Other (grassland, water…)28.6%

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

Hydrology7 basins · 5 lakes · 33 rivers

Hydrology metrics for this exact territory

Stream length here

259,4km

Lake surface here

1,41km²

Basins crossed

7

Max stream order

6

Max drainage

62 598km²

Discharge in basins

322,4m³/s

Mean precip.

648mm/an

Mean T°

10,6°C

Moisture idx

-0,19

Max snow

7%

Mean runoff

233mm/an

Mean elev. (basins)

97m

Rivers / streams (33, ord ≥ 4)

21 more river segments

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

Human pressure

Pop. density

5hab/km²

Night light

7,1nW

Built-up

396,9%

Pesticides

38,0kg/km²

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

Protected areas19

IUCN IV · 10IUCN Not Reported · 7IUCN V · 2
Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations134

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.