HydroBASINS lev08 watershed · #6080385390
Bassin de Rio Parnaíba
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 : Barão de Grajaú, Floriano
Sub-basin area
675,8km²
Upstream area
140 923,8km²
Discharge
613,3m³/s
Mean elev.
176m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Riacho da Corrente1592 km²
- Bassin de Riacho do Muquém516 km²
2 dept-equivalent regions (GADM L2)
- 460.3 km²68.4% of basin
- 212.6 km²31.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
460 distinct species · 1 573 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 Parnaíba : 24 espèces reliées par 40 interactions GloBI sur 4 types (connectance 6.7%, 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°
27,3°C
Annual rain
1 088mm
Moisture idx (CMI)
-0,40
Runoff
213mm/an
PET
1 811mm
AET
915mm
Mean slope
2,2°
Water table
228cm
Forest
1%
Crops
4%
Urban
4%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)