HydroBASINS lev08 watershed · #6080363430
Bassin de Rio São Nicolau
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 3 administrative regions : Assunção do Piauí, Pimenteiras, São Miguel do Tapuio
Sub-basin area
1 057,2km²
Upstream area
1 057,5km²
Discharge
2,52m³/s
Mean elev.
424m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 585.6 km²55.6% of basin
- 412.5 km²39.2% of basin
- 54.6 km²5.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
33 distinct species · 49 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°
24,9°C
Annual rain
854mm
Moisture idx (CMI)
-0,51
Runoff
68mm/an
PET
1 732mm
AET
721mm
Mean slope
2,1°
Water table
366cm
Forest
12%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)