HydroBASINS lev08 watershed · #6080486410
Bassin de Rio Vaza-Barris
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 6 administrative regions : Canudos, Cícero Dantas, Euclides da Cunha, Jeremoabo, Novo Triunfo +1
Sub-basin area
2 721,9km²
Upstream area
9 199,6km²
Discharge
2,12m³/s
Mean elev.
490m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Vaza-Barris1678 km²
- Bassin de Riacho do Rosário1598 km²
6 dept-equivalent regions (GADM L2)
- 2402.4 km²88.6% of basin
- 214.4 km²7.9% of basin
- 92.5 km²3.4% of basin
- 1.0 km²0.0% of basin
- 0.5 km²0.0% of basin
- 0.2 km²0.0% of basin
4 intersecting protected areas
Environmental Protection Area
344.78 km² overlap
Ecological Station
311.97 km² overlap
Natural Heritage Private Reserve
1.35 km² overlap
Natural Heritage Private Reserve
1.09 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
934 distinct species · 7 019 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 Rio Vaza-Barris : 30 espèces reliées par 42 interactions GloBI sur 5 types (connectance 6.0%, 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°
23,0°C
Annual rain
646mm
Moisture idx (CMI)
-0,60
Runoff
37mm/an
PET
1 624mm
AET
546mm
Mean slope
3,4°
Water table
1 040cm
Forest
3%
Crops
5%
Urban
0%
Protected
24%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)