HydroBASINS lev08 watershed · #6080246490
Bassin de Rio Cuiuni
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, Maraã
Sub-basin area
380km²
Upstream area
380km²
Discharge
25,21m³/s
Mean elev.
71m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 265.0 km²70.1% of basin
- 113.3 km²29.9% of basin
4 intersecting protected areas
Central Amazon Conservation Complex
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
269.57 km² overlap
Rio Negro
IUCN IbWetland of International Importance (Ramsar Site)
90.75 km² overlap
Sustainable Development Reserve
90.54 km² overlap
Extractive Reserve
0.74 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 distinct species · 4 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°
26,3°C
Annual rain
3 143mm
Moisture idx (CMI)
0,47
Runoff
2 093mm/an
PET
1 661mm
AET
1 661mm
Mean slope
0,2°
Water table
2cm
Forest
100%
Crops
0%
Urban
0%
Protected
24%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)