HydroBASINS lev08 watershed · #6080499340
Bassin de Rio Tocantins
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 : Brejinho de Nazaré, Monte do Carmo, Porto Nacional
Sub-basin area
353,3km²
Upstream area
175 032,8km²
Discharge
2 346,1m³/s
Mean elev.
274m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Areias2429 km²
- Bassin de Rio Tocantins959 km²
3 dept-equivalent regions (GADM L2)
- 247.6 km²70.4% of basin
- 104.3 km²29.6% of basin
- 0.0 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
630 distinct species · 2 841 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Tocantins : 25 espèces reliées par 45 interactions GloBI sur 5 types (connectance 7.1%, filtre Serrano α=0.2). 11 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°
26,0°C
Annual rain
1 620mm
Moisture idx (CMI)
-0,12
Runoff
543mm/an
PET
1 850mm
AET
1 197mm
Mean slope
3,0°
Water table
142cm
Forest
17%
Crops
3%
Urban
5%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)