HydroBASINS lev08 watershed · #6080296310
Bassin de Rio Mearim
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 6 administrative regions : Arari, Bacabal, Conceição do Lago-Açu, Lago Verde, Matões do Norte +1
Sub-basin area
351,1km²
Upstream area
30 544,5km²
Discharge
221,15m³/s
Mean elev.
15m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Mearim251 km²
- Bassin de Rio Mearim166 km²
6 dept-equivalent regions (GADM L2)
- 153.3 km²43.9% of basin
- 73.1 km²20.9% of basin
- 54.9 km²15.7% of basin
- 29.7 km²8.5% of basin
- 29.7 km²8.5% of basin
- 8.9 km²2.5% of basin
2 intersecting protected areas
Wetland of International Importance (Ramsar Site)
313.40 km² overlap
Environmental Protection Area
312.62 km² overlap
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.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
27,4°C
Annual rain
1 661mm
Moisture idx (CMI)
-0,05
Runoff
651mm/an
PET
1 753mm
AET
1 101mm
Mean slope
0,5°
Water table
16cm
Forest
27%
Crops
3%
Urban
0%
Protected
90%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)