Ruisseau
Tona
Crosses 2 administrative regions : Campobasso, Foggia
Total length
34km
Max discharge
0,5m³/s
Max Strahler
1
Segments matched
1
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- CampobassoMolise · Italy20.3 kmin this dpt
- FoggiaApulia · Italy0.2 kmin this dpt
5 intersecting protected areas
Lago di Guardialfiera - Foce fiume Biferno
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Valle Fortore, Lago di Occhito
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Boschi tra Fiume Saccione e Torrente Tona
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Torrente Tona
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Torrente Tona
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
73 distinct species · 213 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Tona : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 51 interactions GloBI sur 2 types (connectance 9.1%, filtre Serrano α=0.2). 8 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
34km
Max discharge
0,5m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.