Haut Val d'Allier
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2018
589 km²
Commune · FRA
Saint-Just-près-Brioude
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
691
Observations
2 072
Area
46,9km²
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-Just-près-Brioude : 27 espèces + 4 bulles famille, 52 interactions GloBI documentées sur 4 types (connectance 11.2%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
31
Interactions affichées
52
Connectance
0.112
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
691 distinct species · 2 072 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,6°C
Annual rain
843mm
Warmest m°
23,2°C
Coldest m°
-1,7°C
Elevation: 707 m on average (min 520 m, max 913 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,6°C
Annual rain
843mm
Warmest month
23,2°C
Coldest month
-1,7°C
Mean alt.
707m
Min
520m
Max
913m
Std. dev.
76m
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
34,9g/kg
Clay
20,8%
Sand
49,3%
Silt
29,9%
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
6,1
Org. C
54,7g/kg
Clay
21,0%
Sand
50,0%
Silt
29,0%
5–15 cm
pH H₂O
6,1
Org. C
30,8g/kg
Clay
19,9%
Sand
51,2%
Silt
28,8%
15–30 cm
pH H₂O
6,1
Org. C
19,3g/kg
Clay
21,6%
Sand
46,6%
Silt
31,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest37.1%
Crops33.5%
Built-up0.3%
Bare soil0.9%
Other (grassland, water…)28.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
11,2km
Basins crossed
3
Max stream order
2
Max drainage
3 059km²
Discharge in basins
4,5m³/s
Mean precip.
692mm/an
Mean T°
9,3°C
Moisture idx
-0,20
Max snow
13%
Mean runoff
317mm/an
Mean elev. (basins)
722m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
26,2%
Pesticides
44,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2
Val d'Allier / Vieille Brioude / Langeac
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
29 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.