HydroBASINS lev08 watershed · #6080262220
Bassin de Rio Tapajós
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 : Belterra, Santarém
Sub-basin area
385km²
Upstream area
494 551,3km²
Discharge
18 753,01m³/s
Mean elev.
68m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Arapiuns2548 km²
- Bassin de Rio Tapajós1507 km²
2 dept-equivalent regions (GADM L2)
- 367.6 km²95.9% of basin
- 15.7 km²4.1% of basin
4 intersecting protected areas
Environmental Protection Area
10.95 km² overlap
Environmental Protection Area
1.26 km² overlap
Environmental Protection Area
0.35 km² overlap
Extractive Reserve
0.15 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 531 distinct species · 13 000 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Rio Tapajós : 23 espèces reliées par 36 interactions GloBI sur 3 types (connectance 7.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
25,8°C
Annual rain
2 068mm
Moisture idx (CMI)
0,22
Runoff
764mm/an
PET
1 620mm
AET
1 225mm
Mean slope
2,6°
Water table
104cm
Forest
33%
Crops
9%
Urban
7%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)