HydroBASINS lev08 watershed · #6080233850
Bassin de Rio Atuá
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 : Anajás, Muaná, São Sebastião da Boa Vista
Sub-basin area
354,8km²
Upstream area
354,8km²
Discharge
16,14m³/s
Mean elev.
16m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 267.1 km²75.6% of basin
- 81.0 km²22.9% of basin
- 5.1 km²1.5% of basin
3 intersecting protected areas
Environmental Protection Area
348.52 km² overlap
Wetland of International Importance (Ramsar Site)
4.81 km² overlap
Extractive Reserve
4.70 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 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°
27,1°C
Annual rain
2 666mm
Moisture idx (CMI)
0,38
Runoff
1 386mm/an
PET
1 644mm
AET
1 402mm
Mean slope
0,5°
Water table
8cm
Forest
84%
Crops
1%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)