Val d'Allier - Alagnon
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
24 km²
Commune · FRA
Orsonnette
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 804
Observations
22 313
Area
2,8km²
Ecological tissue
Sample of 35 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 Orsonnette : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 6 bulles famille, 59 interactions GloBI documentées sur 6 types (connectance 9.9%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
35
Interactions affichées
59
Connectance
0.099
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
1 804 distinct species · 22 313 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,2°C
Annual rain
825mm
Warmest m°
25,0°C
Coldest m°
-0,6°C
Elevation: 427 m on average (min 411 m, max 444 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,2°C
Annual rain
825mm
Warmest month
25,0°C
Coldest month
-0,6°C
Mean alt.
427m
Min
411m
Max
444m
Std. dev.
14m
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
6,7
Org. C
32,6g/kg
Clay
27,3%
Sand
41,5%
Silt
31,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: vbGLiMaggregated to Puy-de-Dôme
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,6
Org. C
55,0g/kg
Clay
26,0%
Sand
43,3%
Silt
30,6%
5–15 cm
pH H₂O
6,7
Org. C
24,7g/kg
Clay
26,9%
Sand
42,9%
Silt
30,2%
15–30 cm
pH H₂O
6,7
Org. C
18,1g/kg
Clay
28,9%
Sand
38,2%
Silt
32,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest19.4%
Crops55.1%
Built-up1.1%
Bare soil0.8%
Other (grassland, water…)23.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
0,2km
Basins crossed
1
Max stream order
5
Max drainage
6 065km²
Discharge in basins
0,1m³/s
Mean precip.
722mm/an
Mean T°
9,2°C
Moisture idx
-0,15
Max snow
8%
Mean runoff
341mm/an
Mean elev. (basins)
676m
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
109,7%
Pesticides
44,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
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.