HydroBASINS lev08 watershed · #2080544280
Bassin de Valle Calcara
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 : Verona, Vicenza
Sub-basin area
202,2km²
Upstream area
202,3km²
Discharge
2,41m³/s
Mean elev.
212m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 189.4 km²93.4% of basin
- 13.3 km²6.6% of basin
2 intersecting protected areas
Regional/Provincial Nature Park
0.36 km² overlap
Fiume Adige tra Verona Est e Badia Polesine
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
929 distinct species · 2 657 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Valle Calcara : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 99 interactions GloBI sur 6 types (connectance 12.7%, filtre Serrano α=0.2). 12 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°
12,4°C
Annual rain
859mm
Moisture idx (CMI)
-0,06
Runoff
375mm/an
PET
911mm
AET
685mm
Mean slope
7,9°
Water table
276cm
Forest
46%
Crops
32%
Urban
20%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)