Vallée de l'Aston
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
149 km²
Commune · FRA
Savignac-les-Ormeaux
France
DfcCold, no dry season, cold summer(39 %)
Species observed
1 966
Observations
15 354
Area
28,6km²
Ecological tissue
Sample of 37 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 Savignac-les-Ormeaux : 33 espèces + 4 bulles famille, 67 interactions GloBI documentées sur 4 types (connectance 10.1%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
37
Interactions affichées
67
Connectance
0.101
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
1 966 distinct species · 15 354 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
5,7°C
Annual rain
1 019mm
Warmest m°
19,1°C
Coldest m°
-6,4°C
Elevation: 1 632 m on average (min 808 m, max 2 482 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
5,7°C
Annual rain
1 019mm
Warmest month
19,1°C
Coldest month
-6,4°C
Mean alt.
1 632m
Min
808m
Max
2 482m
Std. dev.
480m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(39 %)Cold
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
79,0g/kg
Clay
26,0%
Sand
32,0%
Silt
42,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Ariège
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,8
Org. C
120,1g/kg
Clay
24,9%
Sand
32,6%
Silt
42,5%
5–15 cm
pH H₂O
5,9
Org. C
67,4g/kg
Clay
25,2%
Sand
32,3%
Silt
42,4%
15–30 cm
pH H₂O
5,9
Org. C
49,5g/kg
Clay
27,9%
Sand
31,0%
Silt
41,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest47.4%
Crops1.2%
Built-up0.1%
Bare soil7.6%
Other (grassland, water…)43.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
11,2km
Basins crossed
2
Max stream order
3
Max drainage
520km²
Discharge in basins
0,3m³/s
Mean precip.
1 144mm/an
Mean T°
6,0°C
Moisture idx
0,38
Max snow
38%
Mean runoff
351mm/an
Mean elev. (basins)
1 674m
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
Night light
0,2nW
Built-up
12,9%
Pesticides
17,8kg/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.