Ontologia

Commune · FRA

Lyon, 4e arrondissement

France

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

Species observed

681

Observations

2 572

Area

2,8km²

Ecological tissue

Sample of 44 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 Lyon, 4e arrondissement : 40 espèces + 4 bulles famille, 72 interactions GloBI documentées sur 5 types (connectance 7.6%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
44
Interactions affichées
72
Connectance
0.076
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

681 distinct species · 2 572 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 657 obs · 5 cellules · 1749–2026
Obs. / cellule
≥ 1 302
1 302–1 301
793–1 301
266–792
< 266

Source : GBIF — observations agrégées par hexagones 0.02° × 0.02° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

12,2°C

Annual rain

834mm

Warmest m°

26,0°C

Coldest m°

-0,4°C

Elevation: 209 m on average (min 180 m, max 229 m)

Bioclimatic detailsExpert
Annual mean temp.
12,2°C
Annual rain
834mm
Warmest month
26,0°C
Coldest month
-0,4°C
Mean alt.
209m
Min
180m
Max
229m
Std. dev.
21m
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

5,9

Clay

24,0%

Sand

35,6%

Silt

40,4%

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
5,9
Clay
23,5%
Sand
36,3%
Silt
40,3%
5–15 cm
pH H₂O
5,9
Clay
22,4%
Sand
35,1%
Silt
42,6%
15–30 cm
pH H₂O
5,9
Clay
26,0%
Sand
35,5%
Silt
38,4%

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

Land cover

Forest8.6%
Crops1.4%
Built-up15.7%
Bare soil0.6%
Other (grassland, water…)73.8%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

0,5km

Basins crossed

2

Max stream order

6

Max drainage

29 001km²

Discharge in basins

3,7m³/s

Mean precip.

799mm/an

Mean T°

11,2°C

Moisture idx

-0,12

Max snow

3%

Mean runoff

414mm/an

Mean elev. (basins)

255m

Watersheds crossing here

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

Human pressure

Pop. density

79hab/km²

Night light

36,2nW

Built-up

1 566,2%

Pesticides

43,7kg/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.