HydroBASINS lev08 watershed · #6080333470
Bassin · #6080333470
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 4 administrative regions : Amarante do Maranhão, Açailândia, João Lisboa, Senador La Rocque
Sub-basin area
596,4km²
Upstream area
3 427,9km²
Discharge
29,72m³/s
Mean elev.
240m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #6080340020633 km²
- Bassin · #6080340030487 km²
4 dept-equivalent regions (GADM L2)
- 371.8 km²62.6% of basin
- 222.0 km²37.4% of basin
- 0.0 km²0.0% of basin
- 0.0 km²0.0% of basin
1 intersecting protected areas
Arariboia
IUCN Not ReportedIndigenous Area
5.76 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
19 distinct species · 28 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 · #6080333470 : 9 espèces reliées par 9 interactions GloBI sur 1 type (connectance 20.0%, 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°
25,8°C
Annual rain
1 263mm
Moisture idx (CMI)
-0,31
Runoff
270mm/an
PET
1 838mm
AET
1 014mm
Mean slope
3,2°
Water table
241cm
Forest
21%
Crops
30%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)