HydroBASINS lev08 watershed · #6080249160
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, Novo Airão
Sub-basin area
2 853,8km²
Upstream area
2 853,8km²
Discharge
138,43m³/s
Mean elev.
57m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 2802.8 km²98.6% of basin
- 38.4 km²1.4% of basin
3 intersecting protected areas
Central Amazon Conservation Complex
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
2841.14 km² overlap
Parque Nacional Do Jaú
IUCN IIPark
2841.14 km² overlap
Rio Negro
IUCN IbWetland of International Importance (Ramsar Site)
2841.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
13 distinct species · 29 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°
26,7°C
Annual rain
2 674mm
Moisture idx (CMI)
0,38
Runoff
1 524mm/an
PET
1 669mm
AET
1 636mm
Mean slope
0,4°
Water table
5cm
Forest
100%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)