Ontologia

HydroBASINS lev08 watershed · #6080370220

Bassin de Riacho do Bastião

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 : Barão de Grajaú, Lagoa do Mato, Sucupira do Riachão, São Francisco do Maranhão

Pfafstetter: 63230047

Sub-basin area

367,5km²

Upstream area

1 863,2km²

Discharge

10,38m³/s

Mean elev.

229m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

4 dept-equivalent regions (GADM L2)

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

2 distinct species · 2 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 obs · 2 cellules
Obs. / cellule
≥ 1
1–0
1–0
1–0
< 1

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Hydroclimate (BasinATLAS lev08)

Mean T°

26,7°C

Annual rain

1 213mm

Moisture idx (CMI)

-0,33

Runoff

188mm/an

PET

1 808mm

AET

981mm

Mean slope

3,8°

Water table

262cm

Forest

32%

Crops

3%

Urban

0%

Protected

0%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)