Ruisseau· 2 segments
Torrent d'Urtier
Crosses 1 administrative regions : Aosta
Total length
14km
Max discharge
1,2m³/s
Max Strahler
2
Segments matched
2
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- AostaValle d'Aosta · Italy7.9 kmin this dpt
5 intersecting protected areas
National Park
Parco Nazionale del Gran Paradiso
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Parco Nazionale del Gran Paradiso
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Mont Avic e Mont Emilius
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallone dell'Urtier
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
372 distinct species · 915 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Torrent d'Urtier : 22 espèces reliées par 85 interactions GloBI sur 5 types (connectance 12.8%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
14km
Max discharge
1,2m³/s
Max Strahler
2
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.