HydroBASINS lev08 watershed · #6080376550
Bassin de Rio Parnaíba
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 : Amarante, Barão de Grajaú, Floriano, Francisco Ayres, São Francisco do Maranhão
Sub-basin area
908,3km²
Upstream area
152 003,4km²
Discharge
645,41m³/s
Mean elev.
184m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Itaueira1069 km²
- Bassin de Rio Parnaíba676 km²
5 dept-equivalent regions (GADM L2)
- 429.0 km²47.4% of basin
- 273.9 km²30.3% of basin
- 99.3 km²11.0% of basin
- 59.4 km²6.6% of basin
- 42.8 km²4.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
17 distinct species · 25 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°
27,0°C
Annual rain
1 215mm
Moisture idx (CMI)
-0,33
Runoff
231mm/an
PET
1 825mm
AET
966mm
Mean slope
2,8°
Water table
266cm
Forest
11%
Crops
6%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)