Plaine du Forez
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2018
328 km²
Commune · FRA
Saint-Marcellin-en-Forez
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 376
Observations
80 143
Area
31,1km²
Ecological tissue
Sample of 31 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-Marcellin-en-Forez : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 120 interactions GloBI sur 5 types (connectance 24.2%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
32
Interactions affichées
120
Connectance
0.242
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
2 376 distinct species · 80 143 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,2°C
Annual rain
885mm
Warmest m°
24,9°C
Coldest m°
-0,9°C
Elevation: 456 m on average (min 378 m, max 573 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,2°C
Annual rain
885mm
Warmest month
24,9°C
Coldest month
-0,9°C
Mean alt.
456m
Min
378m
Max
573m
Std. dev.
62m
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
6,1
Org. C
29,8g/kg
Clay
20,6%
Sand
49,3%
Silt
30,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Loire
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
46,4g/kg
Clay
20,3%
Sand
50,4%
Silt
29,2%
5–15 cm
pH H₂O
6,1
Org. C
26,5g/kg
Clay
20,1%
Sand
50,9%
Silt
29,0%
15–30 cm
pH H₂O
6,1
Org. C
16,4g/kg
Clay
21,5%
Sand
46,5%
Silt
32,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest25.1%
Crops38.7%
Built-up1.9%
Bare soil1.1%
Other (grassland, water…)33.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
9,5km
Basins crossed
1
Max stream order
2
Max drainage
5 113km²
Discharge in basins
0,8m³/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
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,3nW
Built-up
194,6%
Pesticides
48,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 2IUCN IV · 1
Etangs du Forez
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2017
1 km²
Etang Des Plantées
IUCN IVBiotope Protection Order · 2009
0 km²
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.