HydroBASINS lev08 watershed · #6080483870
Bassin de Rio do Sono
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 4 administrative regions : Mateiros, Novo Acordo, Ponte Alta do Tocantins, São Félix do Tocantins
Sub-basin area
629,2km²
Upstream area
10 645,3km²
Discharge
212,86m³/s
Mean elev.
338m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Novo1944 km²
- Bassin de Rio Soninho463 km²
4 dept-equivalent regions (GADM L2)
- 421.7 km²67.3% of basin
- 125.4 km²20.0% of basin
- 79.0 km²12.6% of basin
- 0.6 km²0.1% of basin
2 intersecting protected areas
Environmental Protection Area
499.76 km² overlap
Natural Monument
0.38 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
76 distinct species · 122 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 9 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 do Sono : 9 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 6 interactions GloBI sur 1 type (connectance 16.7%, filtre Serrano α=0.2).
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 487mm
Moisture idx (CMI)
-0,21
Runoff
801mm/an
PET
1 883mm
AET
1 172mm
Mean slope
2,4°
Water table
164cm
Forest
3%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)