Ontologia

Commune · FRA

Virelade

France

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

Species observed

1 344

Observations

14 562

Area

13,6km²

Ecological tissue

Sample of 38 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 Virelade : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 122 interactions GloBI sur 5 types (connectance 16.5%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
122
Connectance
0.165
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

1 344 distinct species · 14 562 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

14 562 obs · 2 cellules
Obs. / cellule
≥ 11 187
11 187–11 186
11 187–11 186
11 187–11 186
< 11 187

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

Climate

Mean T°

13,8°C

Annual rain

832mm

Warmest m°

26,8°C

Coldest m°

2,9°C

Elevation: 18 m on average (min 5 m, max 30 m)

Bioclimatic detailsExpert
Annual mean temp.
13,8°C
Annual rain
832mm
Warmest month
26,8°C
Coldest month
2,9°C
Mean alt.
18m
Min
5m
Max
30m
Std. dev.
6m
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

5,9

Org. C

36,3g/kg

Clay

20,7%

Sand

54,0%

Silt

25,3%

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

Dominant lithology: suGLiMaggregated to Gironde

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
63,1g/kg
Clay
21,9%
Sand
53,2%
Silt
24,9%
5–15 cm
pH H₂O
5,9
Org. C
28,3g/kg
Clay
19,8%
Sand
55,2%
Silt
25,0%
15–30 cm
pH H₂O
5,9
Org. C
17,5g/kg
Clay
20,6%
Sand
53,5%
Silt
25,9%

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

Land cover

Forest51.1%
Crops19.5%
Built-up1.0%
Bare soil1.4%
Other (grassland, water…)27.1%

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

Hydrology1 basins · 1 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

7,0km

Lake surface here

0,01km²

Basins crossed

1

Max stream order

7

Max drainage

55 371km²

Discharge in basins

7,6m³/s

Mean precip.

946mm/an

Mean T°

12,6°C

Moisture idx

-0,02

Max snow

4%

Mean runoff

463mm/an

Mean elev. (basins)

50m

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

Human pressure

Pop. density

0hab/km²

Night light

1,3nW

Built-up

96,4%

Pesticides

46,7kg/km²

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

Protected areas1

IUCN Not Reported · 1🌊 Marine · 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.