HydroBASINS lev08 watershed · #6080332630
Bassin de Riozinho do Anfrisio
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 : Altamira, Itaituba, Trairão
Sub-basin area
665,6km²
Upstream area
665,8km²
Discharge
14,72m³/s
Mean elev.
258m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 657.9 km²99.3% of basin
- 4.3 km²0.6% of basin
- 0.5 km²0.1% of basin
2 intersecting protected areas
Extractive Reserve
657.91 km² overlap
Floresta Nacional Do Trairão
IUCN VIForest
4.82 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
58 distinct species · 90 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°
25,8°C
Annual rain
2 168mm
Moisture idx (CMI)
0,21
Runoff
700mm/an
PET
1 720mm
AET
1 373mm
Mean slope
4,9°
Water table
155cm
Forest
100%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)