Livradois-Forez
IUCN VRegional Nature Park · 1986
3 243 km²
Commune · FRA
Saint-Julien-d'Ance
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
835
Observations
3 269
Area
17,8km²
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 Saint-Julien-d'Ance : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 4 bulles famille, 75 interactions GloBI documentées sur 7 types (connectance 10.7%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
38
Interactions affichées
75
Connectance
0.107
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
835 distinct species · 3 269 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,1°C
Annual rain
902mm
Warmest m°
22,4°C
Coldest m°
-2,1°C
Elevation: 834 m on average (min 766 m, max 908 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,1°C
Annual rain
902mm
Warmest month
22,4°C
Coldest month
-2,1°C
Mean alt.
834m
Min
766m
Max
908m
Std. dev.
53m
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
40,9g/kg
Clay
22,2%
Sand
46,6%
Silt
31,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Haute-Loire
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,9
Org. C
61,7g/kg
Clay
21,3%
Sand
47,2%
Silt
31,5%
5–15 cm
pH H₂O
5,9
Org. C
36,1g/kg
Clay
21,9%
Sand
47,4%
Silt
30,6%
15–30 cm
pH H₂O
5,9
Org. C
24,8g/kg
Clay
23,4%
Sand
45,2%
Silt
31,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest43.4%
Crops27.6%
Built-up0.4%
Bare soil0.7%
Other (grassland, water…)27.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
10,1km
Basins crossed
1
Max stream order
3
Max drainage
540km²
Discharge in basins
0,2m³/s
Mean precip.
791mm/an
Mean T°
7,8°C
Moisture idx
0,00
Max snow
17%
Mean runoff
294mm/an
Mean elev. (basins)
939m
Watersheds crossing here
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
40,3%
Pesticides
37,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 1IUCN Not Reported · 1
Gorges de la Loire
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2018
588 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.