Rivière· 36 segments
Toce
Crosses 1 administrative regions : Verbano-Cusio-Ossola
Total length
86km
Max discharge
89,9m³/s
Max Strahler
4
Segments matched
36
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- Verbano-Cusio-OssolaPiemonte · Italy68.9 kmin this dpt
14 intersecting protected areas
Val Formazza
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Alte Valli Anzasca, Antrona e Bognanco
IUCN Not ReportedSpecial Protection Area (Birds Directive)
National Park
Alpi Veglia e Devero - Monte Giove
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Alpi Veglia e Devero - Monte Giove
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Alta Val Formazza
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Fiume Toce
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Greto Torrente Toce tra Domodossola e Villadossola
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Lago di Mergozzo e Mont'Orfano
IUCN Not ReportedSpecial Protection Area (Birds Directive)
5 more protected areassorted by area
Regional/Provincial Nature Reserve
Fondo Toce
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Fondo Toce
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Lago di Mergozzo
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Regional/Provincial Nature Reserve
1 page = 1 named river (aggregation of 36 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
235 distinct species · 445 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Toce : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 101 interactions GloBI sur 6 types (connectance 13.6%, filtre Serrano α=0.2). 10 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
86km
Max discharge
89,9m³/s
Max Strahler
4
Segments matched
36
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.