HydroBASINS lev08 watershed · #6080444170
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 5 administrative regions : Abaré, Curaçá, Juazeiro, Lagoa Grande, Santa Maria da Boa Vista
Sub-basin area
2 188,8km²
Upstream area
537 562,6km²
Discharge
2 393,16m³/s
Mean elev.
400m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio São Francisco1106 km²
- Bassin de Rio São Francisco39 km²
5 dept-equivalent regions (GADM L2)
- 1476.1 km²67.7% of basin
- 663.3 km²30.4% of basin
- Lagoa Grande39.7 km²1.8% of basin
- 0.3 km²0.0% of basin
- 0.2 km²0.0% of basin
3 intersecting protected areas
Environmental Protection Area
260.71 km² overlap
Wildlife Refuge
103.98 km² overlap
Wildlife Refuge
4.87 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
408 distinct species · 1 087 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 45 interactions GloBI sur 4 types (connectance 7.1%, filtre Serrano α=0.2). 10 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°
24,4°C
Annual rain
476mm
Moisture idx (CMI)
-0,74
Runoff
140mm/an
PET
1 808mm
AET
401mm
Mean slope
1,7°
Water table
165cm
Forest
18%
Crops
2%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)