HydroBASINS lev08 watershed · #2080554670
Bassin de Tanaro
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 2 administrative regions : Asti, Cuneo
Sub-basin area
436,1km²
Upstream area
3 635,6km²
Discharge
81,09m³/s
Mean elev.
266m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Tanaro1781 km²
- Bassin de Stura di Demonte251 km²
2 dept-equivalent regions (GADM L2)
- 353.9 km²81.0% of basin
- 83.1 km²19.0% of basin
5 intersecting protected areas
Other Protected Natural Regional Areas
6.13 km² overlap
Stagni di Belangero (Asti)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.87 km² overlap
Boschi e Rocche del Roero
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.58 km² overlap
Fiume Tanaro e Stagni di Neive
IUCN Not ReportedSpecial Protection Area (Birds Directive)
2.08 km² overlap
Colonie di chirotteri di S. Vittoria e Monticello d'Alba
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.17 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 510 distinct species · 57 710 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 Bassin de Tanaro : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 89 interactions GloBI sur 4 types (connectance 15.9%, 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
12,5°C
Annual rain
721mm
Moisture idx (CMI)
-0,15
Runoff
590mm/an
PET
847mm
AET
604mm
Mean slope
6,9°
Water table
276cm
Forest
9%
Crops
60%
Urban
14%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)