HydroBASINS lev08 watershed · #6080553710
Bassin de Rio Arinos
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 : Nova Maringá, Nova Mutum, Tapurah
Sub-basin area
499,7km²
Upstream area
22 231,1km²
Discharge
448,76m³/s
Mean elev.
322m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Marapé2144 km²
- Bassin de Rio Arinos30 km²
3 dept-equivalent regions (GADM L2)
- 217.5 km²43.7% of basin
- 174.1 km²35.0% of basin
- 106.2 km²21.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
23 distinct species · 28 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°
25,5°C
Annual rain
1 994mm
Moisture idx (CMI)
0,04
Runoff
765mm/an
PET
1 919mm
AET
1 317mm
Mean slope
1,2°
Water table
118cm
Forest
89%
Crops
2%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)