HydroBASINS lev08 watershed · #6080370220
Bassin de Riacho do Bastião
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 4 administrative regions : Barão de Grajaú, Lagoa do Mato, Sucupira do Riachão, São Francisco do Maranhão
Sub-basin area
367,5km²
Upstream area
1 863,2km²
Discharge
10,38m³/s
Mean elev.
229m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Riacho do Bode1299 km²
- Bassin de Riacho da Cana Brava198 km²
4 dept-equivalent regions (GADM L2)
- 203.9 km²55.7% of basin
- 84.2 km²23.0% of basin
- 50.5 km²13.8% of basin
- 27.3 km²7.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 2 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
26,7°C
Annual rain
1 213mm
Moisture idx (CMI)
-0,33
Runoff
188mm/an
PET
1 808mm
AET
981mm
Mean slope
3,8°
Water table
262cm
Forest
32%
Crops
3%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)