HydroBASINS lev08 watershed · #6080537800
Bassin de Rio Grande
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 : Barreiras, São Desidério
Sub-basin area
285,3km²
Upstream area
16 365,9km²
Discharge
179,33m³/s
Mean elev.
589m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio São Desidério4615 km²
- Bassin de Rio Grande47 km²
2 dept-equivalent regions (GADM L2)
- 278.4 km²98.0% of basin
- 5.7 km²2.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
218 distinct species · 498 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 Grande : 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°
24,3°C
Annual rain
1 203mm
Moisture idx (CMI)
-0,36
Runoff
258mm/an
PET
1 888mm
AET
1 018mm
Mean slope
3,4°
Water table
184cm
Forest
6%
Crops
7%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)