Ontologia

Commune · FRA

Villefranche-d'Allier

France

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

Species observed

838

Observations

4 100

Area

40,1km²

Ecological tissue

Sample of 42 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-d'Allier : 38 espèces + 4 bulles famille, 84 interactions GloBI documentées sur 5 types (connectance 9.8%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
42
Interactions affichées
84
Connectance
0.098
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

838 distinct species · 4 100 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 101 obs · 1 cellules
Obs. / cellule
≥ 4 101
4 101–4 100
4 101–4 100
4 101–4 100
< 4 101

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

Climate

Mean T°

11,5°C

Annual rain

811mm

Warmest m°

24,6°C

Coldest m°

0,8°C

Elevation: 273 m on average (min 239 m, max 324 m)

Bioclimatic detailsExpert
Annual mean temp.
11,5°C
Annual rain
811mm
Warmest month
24,6°C
Coldest month
0,8°C
Mean alt.
273m
Min
239m
Max
324m
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

6,3

Org. C

29,0g/kg

Clay

18,3%

Sand

48,5%

Silt

33,2%

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

Dominant lithology: smGLiMaggregated to Allier

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
47,1g/kg
Clay
18,6%
Sand
48,6%
Silt
32,8%
5–15 cm
pH H₂O
6,2
Org. C
25,7g/kg
Clay
17,5%
Sand
49,7%
Silt
32,9%
15–30 cm
pH H₂O
6,3
Org. C
14,1g/kg
Clay
18,8%
Sand
47,2%
Silt
34,0%

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

Land cover

Forest14.8%
Crops56.3%
Built-up0.7%
Bare soil0.5%
Other (grassland, water…)27.7%

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

Hydrology1 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

19,5km

Basins crossed

1

Max stream order

4

Max drainage

994km²

Discharge in basins

0,3m³/s

Mean precip.

751mm/an

Mean T°

10,4°C

Moisture idx

-0,15

Max snow

5%

Mean runoff

246mm/an

Mean elev. (basins)

337m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

66,2%

Pesticides

28,9kg/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.