Rivière· 25 segments
Torrente Scrivia
Crosses 3 administrative regions : Alessandria, Genova, Pavia
Total length
104km
Max discharge
20,5m³/s
Max Strahler
4
Segments matched
25
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- AlessandriaPiemonte · Italy62.6 kmin this dpt
- GenovaLiguria · Italy39.9 kmin this dpt
- PaviaLombardia · Italy0.0 kmin this dpt
7 intersecting protected areas
Fiume Po - tratto vercellese alessandrino
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Regional/Provincial Nature Park
Conglomerato di Vobbia
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Greto dello Scrivia
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Greto dello Scrivia
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Basso Scrivia
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Calanchi di Rigoroso, Sottovalle e Carrosio
IUCN Not ReportedSite of Community Importance (Habitats Directive)
1 page = 1 named river (aggregation of 25 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
491 distinct species · 817 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Torrente Scrivia : 22 espèces reliées par 47 interactions GloBI sur 5 types (connectance 12.4%, filtre Serrano α=0.2). 6 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
104km
Max discharge
20,5m³/s
Max Strahler
4
Segments matched
25
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.