Haut Val d'Allier
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2018
589 km²
Commune · FRA
Saint-Jean-Lachalm
France
CfbTemperate, no dry season, warm summer(74 %)
Species observed
1 051
Observations
9 710
Area
35km²
Ecological tissue
Sample of 32 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-Jean-Lachalm : 25 espèces + 7 bulles famille, 69 interactions GloBI documentées sur 6 types (connectance 13.9%, filtre Serrano α=0.2). Les 7 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
32
Interactions affichées
69
Connectance
0.139
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
1 051 distinct species · 9 710 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
7,5°C
Annual rain
913mm
Warmest m°
20,8°C
Coldest m°
-3,5°C
Elevation: 1 116 m on average (min 731 m, max 1 299 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
7,5°C
Annual rain
913mm
Warmest month
20,8°C
Coldest month
-3,5°C
Mean alt.
1 116m
Min
731m
Max
1 299m
Std. dev.
126m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(74 %)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
49,2g/kg
Clay
21,0%
Sand
43,5%
Silt
35,4%
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
6,0
Org. C
72,9g/kg
Clay
20,5%
Sand
44,3%
Silt
35,2%
5–15 cm
pH H₂O
6,1
Org. C
46,0g/kg
Clay
20,0%
Sand
44,0%
Silt
35,9%
15–30 cm
pH H₂O
6,1
Org. C
28,7g/kg
Clay
22,6%
Sand
42,3%
Silt
35,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest38.1%
Crops33.4%
Built-up0.3%
Bare soil1.1%
Other (grassland, water…)27.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
3,4km
Basins crossed
2
Max stream order
4
Max drainage
1 972km²
Discharge in basins
3,3m³/s
Mean precip.
755mm/an
Mean T°
7,9°C
Moisture idx
-0,06
Max snow
16%
Mean runoff
401mm/an
Mean elev. (basins)
995m
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
0,0nW
Built-up
25,9%
Pesticides
16,9kg/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.