HydroBASINS lev08 watershed · #6080502850
Bassin de Rio São Francisco
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 : Barra, Xique-Xique
Sub-basin area
1 254,5km²
Upstream area
426 528,4km²
Discharge
2 828,56m³/s
Mean elev.
455m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio São Francisco1510 km²
- Bassin de Rio Grande40 km²
2 dept-equivalent regions (GADM L2)
- 1101.3 km²88.1% of basin
- 148.2 km²11.9% of basin
1 intersecting protected areas
Environmental Protection Area
1227.10 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
202 distinct species · 375 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 São Francisco : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 24 interactions GloBI sur 3 types (connectance 5.9%, filtre Serrano α=0.2). 2 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°
25,4°C
Annual rain
678mm
Moisture idx (CMI)
-0,65
Runoff
53mm/an
PET
1 937mm
AET
571mm
Mean slope
0,8°
Water table
214cm
Forest
16%
Crops
1%
Urban
0%
Protected
98%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)