Ontologia

Subdivision · FRA

Saint-Étienne-Nord-Ouest-1

France

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

Species observed

1 953

Observations

19 269

Area

5,3km²

Ecological tissue

Sample of 33 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 Saint-Étienne-Nord-Ouest-1 : 19 espèces reliées par 126 interactions GloBI sur 6 types (connectance 20.0%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
126
Connectance
0.200
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

1 953 distinct species · 19 269 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

19 269 obs · 1 cellules
Obs. / cellule
≥ 19 269
19 269–19 268
19 269–19 268
19 269–19 268
< 19 269

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

Climate

Mean T°

11,0°C

Annual rain

814mm

Warmest m°

24,6°C

Coldest m°

-1,1°C

Elevation: 489 m on average (min 455 m, max 554 m)

Bioclimatic detailsExpert
Annual mean temp.
11,0°C
Annual rain
814mm
Warmest month
24,6°C
Coldest month
-1,1°C
Mean alt.
489m
Min
455m
Max
554m
Std. dev.
41m
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

36,5g/kg

Clay

19,3%

Sand

48,9%

Silt

31,8%

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

Dominant lithology: paGLiMaggregated to Loire

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
58,7g/kg
Clay
19,4%
Sand
49,3%
Silt
31,3%
5–15 cm
pH H₂O
5,9
Org. C
31,3g/kg
Clay
17,9%
Sand
50,3%
Silt
31,9%
15–30 cm
pH H₂O
5,9
Org. C
19,3g/kg
Clay
20,5%
Sand
47,2%
Silt
32,2%

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

Land cover

Forest10.9%
Crops18.3%
Built-up10.0%
Bare soil0.6%
Other (grassland, water…)60.2%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

0,4km

Basins crossed

1

Max stream order

2

Max drainage

5 113km²

Discharge in basins

0,1m³/s

Mean precip.

784mm/an

Mean T°

9,5°C

Moisture idx

-0,08

Max snow

8%

Mean runoff

296mm/an

Mean elev. (basins)

620m

Watersheds crossing here

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

Human pressure

Pop. density

8hab/km²

Night light

6,8nW

Built-up

1 002,8%

Pesticides

44,2kg/km²

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

Sub-administrations1

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.