HydroBASINS lev08 watershed · #6080445920
Bassin de Riacho das Almas
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 : Belém do São Francisco, Chorrochó, Itacuruba, Macururé, Rodelas
Sub-basin area
486,2km²
Upstream area
573 068,2km²
Discharge
2 453,9m³/s
Mean elev.
388m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Riacho Macururé942 km²
- Bassin de Riacho da Porta841 km²
5 dept-equivalent regions (GADM L2)
- 229.0 km²47.3% of basin
- 216.7 km²44.7% of basin
- 24.3 km²5.0% of basin
- 10.5 km²2.2% of basin
- 3.7 km²0.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
74 distinct species · 170 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 4 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 Riacho das Almas : 3 espèces reliées par 3 interactions GloBI sur 2 types (connectance 50.0%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
24,1°C
Annual rain
443mm
Moisture idx (CMI)
-0,74
Runoff
125mm/an
PET
1 705mm
AET
373mm
Mean slope
1,1°
Water table
300cm
Forest
3%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)