HydroBASINS lev08 watershed · #2080550320
Bassin de Torrente Agogna
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 4 administrative regions : Novara, Pavia, Verbano-Cusio-Ossola, Vercelli
Sub-basin area
838,7km²
Upstream area
838,7km²
Discharge
23,06m³/s
Mean elev.
211m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 582.8 km²69.3% of basin
- 249.3 km²29.7% of basin
- 7.3 km²0.9% of basin
- 1.2 km²0.1% of basin
11 intersecting protected areas
Garzaie novaresi
IUCN Not ReportedSpecial Protection Area (Birds Directive)
7.10 km² overlap
Monte Fenera
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
7.04 km² overlap
Other Protected Natural Regional Areas
6.89 km² overlap
Risaie della Lomellina
IUCN Not ReportedSpecial Protection Area (Birds Directive)
3.03 km² overlap
Stazioni di Isoetes malinverniana
IUCN Not ReportedSite of Community Importance (Habitats Directive)
1.22 km² overlap
Baraggia di Bellinzago
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.20 km² overlap
Garzaia di Gallia
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.07 km² overlap
Regional/Provincial Nature Reserve
0.28 km² overlap
Agogna Morta (Borgolavezzaro)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.13 km² overlap
2 more protected areassorted by overlap area
Baraggia di Piano Rosa
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.02 km² overlap
Regional/Provincial Nature Reserve
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 180 distinct species · 38 568 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 Bassin de Torrente Agogna : 30 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 95 interactions GloBI sur 5 types (connectance 12.8%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
11,7°C
Annual rain
1 025mm
Moisture idx (CMI)
0,08
Runoff
871mm/an
PET
935mm
AET
751mm
Mean slope
1,7°
Water table
75cm
Forest
18%
Crops
57%
Urban
16%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)