Vallées et Gîtes de la Sianne et du Bas Alagnon
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
61 km²
Commune · FRA
Lempdes-sur-Allagnon
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
955
Observations
2 543
Area
10,5km²
Ecological tissue
Sample of 41 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 Lempdes-sur-Allagnon : 37 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 4 bulles famille, 79 interactions GloBI documentées sur 5 types (connectance 9.6%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
41
Interactions affichées
79
Connectance
0.096
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
955 distinct species · 2 543 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,0°C
Annual rain
833mm
Warmest m°
24,8°C
Coldest m°
-0,7°C
Elevation: 461 m on average (min 426 m, max 515 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,0°C
Annual rain
833mm
Warmest month
24,8°C
Coldest month
-0,7°C
Mean alt.
461m
Min
426m
Max
515m
Std. dev.
28m
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
6,4
Org. C
27,9g/kg
Clay
26,0%
Sand
43,1%
Silt
30,9%
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
6,3
Org. C
45,2g/kg
Clay
25,5%
Sand
44,3%
Silt
30,2%
5–15 cm
pH H₂O
6,4
Org. C
22,7g/kg
Clay
25,4%
Sand
44,6%
Silt
29,9%
15–30 cm
pH H₂O
6,4
Org. C
15,7g/kg
Clay
26,9%
Sand
40,3%
Silt
32,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest14.1%
Crops45.8%
Built-up2.1%
Bare soil1.7%
Other (grassland, water…)36.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
2,7km
Basins crossed
2
Max stream order
4
Max drainage
3 059km²
Discharge in basins
0,2m³/s
Mean precip.
781mm/an
Mean T°
8,2°C
Moisture idx
-0,05
Max snow
13%
Mean runoff
459mm/an
Mean elev. (basins)
913m
Watersheds crossing here
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
0,9nW
Built-up
208,4%
Pesticides
44,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 2IUCN IV · 1
Val d'Allier - Alagnon
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
24 km²
plaine alluviale de l\'alagnon
IUCN IVLand acquired by a regional conservatory of natural areas · 2013
0 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.