Ruisseau· 2 segments
Ruisseau de Saint-Alyre
Crosses 2 administrative regions : Haute-Loire, Puy-de-Dôme
Total length
5km
Max discharge
0,3m³/s
Max Strahler
2
Segments matched
2
River geography2 admin regions · 3 communes
2 administrative regions crossed (GADM L2)
- Puy-de-DômeAuvergne-Rhône-Alpes · France3.4 kmin this dpt
- Haute-LoireAuvergne-Rhône-Alpes · France0.0 kmin this dpt
3 communes (L5)For countries with L5
- Saint-Alyre-d'Arlanc3.37 km
- La Chapelle-Geneste0.00 km
- Saint-Sauveur-la-Sagne0.00 km
1 intersecting protected areas
Livradois-Forez
IUCN VRegional Nature Park
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
840 distinct species · 2 666 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 Ruisseau de Saint-Alyre : 41 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 4 bulles famille, 82 interactions GloBI documentées sur 6 types (connectance 8.3%, filtre Serrano α=0.2). Les 4 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
5km
Max discharge
0,3m³/s
Max Strahler
2
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.