HydroBASINS lev08 watershed · #6080296070
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 4 administrative regions : Arari, Conceição do Lago-Açu, Matões do Norte, Miranda do Norte
Sub-basin area
152,1km²
Upstream area
152,1km²
Discharge
3,39m³/s
Mean elev.
20m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 109.9 km²72.5% of basin
- 39.7 km²26.2% of basin
- 1.9 km²1.2% of basin
- 0.1 km²0.0% of basin
2 intersecting protected areas
Wetland of International Importance (Ramsar Site)
94.33 km² overlap
Environmental Protection Area
93.58 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 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 663mm
Moisture idx (CMI)
-0,05
Runoff
705mm/an
PET
1 742mm
AET
1 104mm
Mean slope
0,6°
Water table
24cm
Forest
29%
Crops
1%
Urban
0%
Protected
62%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)