HydroBASINS lev08 watershed · #6080270000
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 3 administrative regions : Coari, Codajás, Novo Airão
Sub-basin area
755,3km²
Upstream area
2 514,2km²
Discharge
187,88m³/s
Mean elev.
62m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Pitinga626 km²
- Bassin de Rio Aruma70 km²
3 dept-equivalent regions (GADM L2)
- 338.3 km²45.0% of basin
- 330.4 km²43.9% of basin
- 83.3 km²11.1% of basin
4 intersecting protected areas
Central Amazon Conservation Complex
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
751.98 km² overlap
Rio Negro
IUCN IbWetland of International Importance (Ramsar Site)
751.98 km² overlap
Sustainable Development Reserve
664.02 km² overlap
Parque Nacional Do Jaú
IUCN IIPark
71.64 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 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 780mm
Moisture idx (CMI)
0,40
Runoff
1 806mm/an
PET
1 658mm
AET
1 644mm
Mean slope
0,4°
Water table
5cm
Forest
100%
Crops
0%
Urban
0%
Protected
98%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)