Haut Val d'Allier
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2018
589 km²
Commune · FRA
Saint-Julien-des-Chazes
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 591
Observations
24 982
Area
6,9km²
Ecological tissue
Sample of 29 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-des-Chazes : 23 espèces + 6 bulles famille, 53 interactions GloBI documentées sur 6 types (connectance 13.1%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
29
Interactions affichées
53
Connectance
0.131
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
1 591 distinct species · 24 982 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,0°C
Annual rain
731mm
Warmest m°
23,7°C
Coldest m°
-1,2°C
Elevation: 700 m on average (min 619 m, max 843 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,0°C
Annual rain
731mm
Warmest month
23,7°C
Coldest month
-1,2°C
Mean alt.
700m
Min
619m
Max
843m
Std. dev.
83m
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
40,2g/kg
Clay
23,7%
Sand
45,0%
Silt
31,4%
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
5,8
Org. C
67,8g/kg
Clay
22,7%
Sand
46,0%
Silt
31,4%
5–15 cm
pH H₂O
5,9
Org. C
32,6g/kg
Clay
22,5%
Sand
46,5%
Silt
31,0%
15–30 cm
pH H₂O
5,9
Org. C
20,3g/kg
Clay
25,9%
Sand
42,4%
Silt
31,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest51.8%
Crops21.7%
Built-up0.2%
Bare soil0.7%
Other (grassland, water…)25.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
4,6km
Basins crossed
1
Max stream order
4
Max drainage
1 838km²
Discharge in basins
0,3m³/s
Mean precip.
742mm/an
Mean T°
8,2°C
Moisture idx
-0,09
Max snow
16%
Mean runoff
362mm/an
Mean elev. (basins)
944m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
24,5%
Pesticides
26,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2
Gorges de l'Allier et affluents
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2019
160 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.