Ontologia

Commune · FRA

Lédignan

France

CsaTemperate, dry summer, hot summer(100 %)

Species observed

972

Observations

8 815

Area

7km²

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 Lédignan : 34 espèces + 6 bulles famille, 78 interactions GloBI documentées sur 5 types (connectance 10.0%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
40
Interactions affichées
78
Connectance
0.100
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

972 distinct species · 8 815 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 815 obs · 1 cellules
Obs. / cellule
≥ 8 815
8 815–8 814
8 815–8 814
8 815–8 814
< 8 815

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

Climate

Mean T°

14,2°C

Annual rain

958mm

Warmest m°

30,1°C

Coldest m°

1,3°C

Elevation: 127 m on average (min 108 m, max 140 m)

Bioclimatic detailsExpert
Annual mean temp.
14,2°C
Annual rain
958mm
Warmest month
30,1°C
Coldest month
1,3°C
Mean alt.
127m
Min
108m
Max
140m
Std. dev.
11m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, 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

7,7

Org. C

28,2g/kg

Clay

25,5%

Sand

27,2%

Silt

47,2%

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

Dominant lithology: scGLiMaggregated to Gard

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,7
Org. C
42,6g/kg
Clay
24,3%
Sand
28,2%
Silt
47,4%
5–15 cm
pH H₂O
7,7
Org. C
22,0g/kg
Clay
24,5%
Sand
27,1%
Silt
48,4%
15–30 cm
pH H₂O
7,7
Org. C
20,1g/kg
Clay
27,8%
Sand
26,4%
Silt
45,8%

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

Land cover

Forest7.3%
Crops42.1%
Built-up2.4%
Bare soil3.2%
Other (grassland, water…)45.1%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max stream order

1

Max drainage

1 993km²

Discharge in basins

0,1m³/s

Mean precip.

747mm/an

Mean T°

12,9°C

Moisture idx

-0,25

Max snow

6%

Mean runoff

540mm/an

Mean elev. (basins)

205m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

2,1nW

Built-up

234,6%

Pesticides

42,0kg/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.