HydroBASINS lev08 watershed · #6080304910
Bassin · #6080304910
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 : Bacabal, São Luís Gonzaga do Maranhão, São Mateus do Maranhão
Sub-basin area
632,1km²
Upstream area
632,1km²
Discharge
9,92m³/s
Mean elev.
33m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 406.6 km²64.6% of basin
- 141.4 km²22.5% of basin
- 81.3 km²12.9% of basin
2 intersecting protected areas
Environmental Protection Area
0.01 km² overlap
Wetland of International Importance (Ramsar Site)
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
86 distinct species · 222 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 · #6080304910 : 24 espèces reliées par 25 interactions GloBI sur 2 types (connectance 7.1%, filtre Serrano α=0.2). 3 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°
27,4°C
Annual rain
1 599mm
Moisture idx (CMI)
-0,10
Runoff
495mm/an
PET
1 775mm
AET
1 082mm
Mean slope
1,0°
Water table
30cm
Forest
7%
Crops
10%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)