Ruisseau· 2 segments
Le Pontajou
Crosses 1 administrative regions : Haute-Loire
Total length
22km
Max discharge
0,8m³/s
Max Strahler
2
Segments matched
2
River geography1 admin regions · 3 communes
1 administrative regions crossed (GADM L2)
- Haute-LoireAuvergne-Rhône-Alpes · France11.5 kmin this dpt
2 intersecting protected areas
Gorges de l'Allier et affluents
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Sommets et versants orientaux de la Margeride
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
852 distinct species · 13 909 observations
Source: GBIF Occurrence snapshot 2026-05-01.
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).
Indicateurs du tissu écologique
Tissu écologique de Le Pontajou : 26 espèces + 6 bulles famille, 59 interactions GloBI documentées sur 6 types (connectance 11.9%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
22km
Max discharge
0,8m³/s
Max Strahler
2
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.