HydroBASINS lev08 watershed · #6080243850
Bassin de Rio Unini
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 2 administrative regions : Barcelos, Codajás
Sub-basin area
1 368,4km²
Upstream area
1 368,4km²
Discharge
76,61m³/s
Mean elev.
64m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 1359.6 km²99.8% of basin
- 2.7 km²0.2% of basin
4 intersecting protected areas
Central Amazon Conservation Complex
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
1362.32 km² overlap
Rio Negro
IUCN IbWetland of International Importance (Ramsar Site)
1362.32 km² overlap
Sustainable Development Reserve
1362.25 km² overlap
Extractive Reserve
0.10 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
31 distinct species · 56 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°
26,6°C
Annual rain
2 729mm
Moisture idx (CMI)
0,39
Runoff
1 744mm/an
PET
1 675mm
AET
1 648mm
Mean slope
0,4°
Water table
5cm
Forest
99%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)