Val d'Allier - Alagnon
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
24 km²
Commune · FRA
La Roche-Noire
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 908
Observations
24 964
Area
3,3km²
Ecological tissue
Sample of 36 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 La Roche-Noire : 32 espèces + 4 bulles famille, 86 interactions GloBI documentées sur 6 types (connectance 13.7%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
36
Interactions affichées
86
Connectance
0.137
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
1 908 distinct species · 24 964 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,3°C
Annual rain
893mm
Warmest m°
24,7°C
Coldest m°
-0,3°C
Elevation: 379 m on average (min 327 m, max 487 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,3°C
Annual rain
893mm
Warmest month
24,7°C
Coldest month
-0,3°C
Mean alt.
379m
Min
327m
Max
487m
Std. dev.
44m
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
7,2
Org. C
24,8g/kg
Clay
31,3%
Sand
35,6%
Silt
33,1%
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
7,1
Org. C
39,3g/kg
Clay
28,9%
Sand
36,9%
Silt
34,3%
5–15 cm
pH H₂O
7,3
Org. C
20,3g/kg
Clay
30,7%
Sand
35,1%
Silt
34,2%
15–30 cm
pH H₂O
7,2
Org. C
14,8g/kg
Clay
34,3%
Sand
34,9%
Silt
30,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest31.4%
Crops29.8%
Built-up3.1%
Bare soil1.0%
Other (grassland, water…)34.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 1 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
0,6km
Lake surface here
0,03km²
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
Lakes (1, top by area)
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,5nW
Built-up
311,7%
Pesticides
44,4kg/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.