Ontologia

Commune · FRA

Villefranche-sur-Saône

France

CfaTemperate, no dry season, hot summer(100 %)

Species observed

1 517

Observations

20 831

Area

9,6km²

Ecological tissue

Sample of 40 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 Villefranche-sur-Saône : 33 espèces + 7 bulles famille, 74 interactions GloBI documentées sur 6 types (connectance 9.5%, filtre Serrano α=0.2). Les 7 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
40
Interactions affichées
74
Connectance
0.095
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

1 517 distinct species · 20 831 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

20 862 obs · 1 cellules
Obs. / cellule
≥ 20 862
20 862–20 861
20 862–20 861
20 862–20 861
< 20 862

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

Climate

Mean T°

12,3°C

Annual rain

852mm

Warmest m°

26,1°C

Coldest m°

-0,3°C

Elevation: 184 m on average (min 171 m, max 234 m)

Bioclimatic detailsExpert
Annual mean temp.
12,3°C
Annual rain
852mm
Warmest month
26,1°C
Coldest month
-0,3°C
Mean alt.
184m
Min
171m
Max
234m
Std. dev.
14m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,6

Org. C

29,9g/kg

Clay

26,5%

Sand

31,7%

Silt

41,8%

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

Dominant lithology: mtGLiMaggregated to Rhône

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
43,7g/kg
Clay
25,0%
Sand
32,2%
Silt
42,8%
5–15 cm
pH H₂O
6,6
Org. C
26,8g/kg
Clay
25,0%
Sand
30,6%
Silt
44,4%
15–30 cm
pH H₂O
6,7
Org. C
19,2g/kg
Clay
29,4%
Sand
32,2%
Silt
38,3%

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

Land cover

Forest2.5%
Crops2.8%
Built-up17.6%
Bare soil0.3%
Other (grassland, water…)76.9%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

5,7km

Basins crossed

1

Max stream order

6

Max drainage

27 753km²

Discharge in basins

13,3m³/s

Mean precip.

783mm/an

Mean T°

10,8°C

Moisture idx

-0,11

Max snow

3%

Mean runoff

367mm/an

Mean elev. (basins)

291m

Watersheds crossing here

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

Human pressure

Pop. density

23hab/km²

Night light

31,9nW

Built-up

1 756,2%

Pesticides

47,3kg/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.