HydroBASINS lev08 watershed · #6080273960
Bassin de Rio Piorini
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 : Coari, Codajás
Sub-basin area
292,7km²
Upstream area
3 257,1km²
Discharge
221,33m³/s
Mean elev.
59m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Piorini755 km²
- Bassin de Titicá450 km²
2 dept-equivalent regions (GADM L2)
- 182.4 km²62.6% of basin
- 109.0 km²37.4% of basin
3 intersecting protected areas
Central Amazon Conservation Complex
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
291.39 km² overlap
Sustainable Development Reserve
291.39 km² overlap
Rio Negro
IUCN IbWetland of International Importance (Ramsar Site)
291.39 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 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 640mm
Moisture idx (CMI)
0,37
Runoff
1 407mm/an
PET
1 651mm
AET
1 615mm
Mean slope
0,4°
Water table
4cm
Forest
100%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)