HydroBASINS lev08 watershed · #6080319290
Bassin de Rio Grajaú
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 5 administrative regions : Lago da Pedra, Paulo Ramos, Poção de Pedras, São Raimundo do Doca Bezerra, São Roberto
Sub-basin area
995,8km²
Upstream area
995,8km²
Discharge
14,48m³/s
Mean elev.
168m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- 648.2 km²65.4% of basin
- 223.0 km²22.5% of basin
- 119.5 km²12.1% of basin
- 0.5 km²0.0% of basin
- 0.3 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
30 distinct species · 35 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 10 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 Grajaú : 9 espèces reliées par 8 interactions GloBI sur 1 type (connectance 17.8%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
26,5°C
Annual rain
1 507mm
Moisture idx (CMI)
-0,15
Runoff
460mm/an
PET
1 774mm
AET
1 028mm
Mean slope
6,5°
Water table
241cm
Forest
25%
Crops
5%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)