Ontologia

Commune · FRA

Bessancourt

France

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

Species observed

3 576

Observations

119 764

Area

6,1km²

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 Bessancourt : 26 espèces reliées par 118 interactions GloBI sur 6 types (connectance 19.8%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
118
Connectance
0.198
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

3 576 distinct species · 119 764 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

119 764 obs · 3 cellules
Obs. / cellule
≥ 69 258
69 258–69 257
69 258–69 257
36 252–69 257
< 36 252

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

Climate

Mean T°

11,0°C

Annual rain

708mm

Warmest m°

23,1°C

Coldest m°

1,1°C

Elevation: 88 m on average (min 53 m, max 134 m)

Bioclimatic detailsExpert
Annual mean temp.
11,0°C
Annual rain
708mm
Warmest month
23,1°C
Coldest month
1,1°C
Mean alt.
88m
Min
53m
Max
134m
Std. dev.
24m
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

6,9

Org. C

26,6g/kg

Clay

27,1%

Sand

24,7%

Silt

48,2%

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

Dominant lithology: scGLiMaggregated to Val-d'Oise

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,7
Org. C
45,6g/kg
Clay
26,7%
Sand
25,2%
Silt
48,2%
5–15 cm
pH H₂O
7,0
Org. C
18,7g/kg
Clay
27,3%
Sand
24,3%
Silt
48,4%
15–30 cm
pH H₂O
7,0
Org. C
15,6g/kg
Clay
27,2%
Sand
24,7%
Silt
48,0%

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

Land cover

Forest20.7%
Crops36.3%
Built-up5.4%
Bare soil0.6%
Other (grassland, water…)36.9%

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

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

16 783km²

Discharge in basins

0,5m³/s

Mean precip.

649mm/an

Mean T°

10,5°C

Moisture idx

-0,19

Max snow

6%

Mean runoff

224mm/an

Mean elev. (basins)

96m

Watersheds crossing here

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

Human pressure

Pop. density

7hab/km²

Night light

5,9nW

Built-up

544,3%

Pesticides

15,6kg/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.