HydroBASINS lev08 watershed · #6080623960
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 6 administrative regions : Cachoeira de Pajeú, Divisa Alegre, Medina, Pedra Azul, Santa Cruz de Salinas +1
Sub-basin area
825,6km²
Upstream area
825,6km²
Discharge
1,95m³/s
Mean elev.
807m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
6 dept-equivalent regions (GADM L2)
- 676.6 km²82.2% of basin
- 134.5 km²16.3% of basin
- 9.0 km²1.1% of basin
- 1.7 km²0.2% of basin
- 0.9 km²0.1% of basin
- 0.0 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
90 distinct species · 190 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 8 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 : 6 espèces reliées par 6 interactions GloBI sur 3 types (connectance 21.4%, 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°
21,3°C
Annual rain
885mm
Moisture idx (CMI)
-0,43
Runoff
75mm/an
PET
1 546mm
AET
748mm
Mean slope
8,3°
Water table
491cm
Forest
11%
Crops
5%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)