HydroBASINS lev08 watershed · #6080480360
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 3 administrative regions : Lagoa do Tocantins, Novo Acordo, Rio Sono
Sub-basin area
889,1km²
Upstream area
17 269,4km²
Discharge
357,68m³/s
Mean elev.
290m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Vermelho2149 km²
- Bassin de Rio do Sono337 km²
3 dept-equivalent regions (GADM L2)
- 373.6 km²42.2% of basin
- 364.2 km²41.1% of basin
- 147.7 km²16.7% of basin
1 intersecting protected areas
Environmental Protection Area
0.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
127 distinct species · 179 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 : 19 espèces reliées par 28 interactions GloBI sur 4 types (connectance 8.6%, filtre Serrano α=0.2). 7 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°
26,2°C
Annual rain
1 575mm
Moisture idx (CMI)
-0,16
Runoff
704mm/an
PET
1 877mm
AET
1 210mm
Mean slope
1,9°
Water table
116cm
Forest
3%
Crops
2%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)