HydroBASINS lev08 watershed · #6080268260
Bassin de Rio do Meio
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 : Olinda Nova do Maranhão, Palmeirândia, São Bento, São Vicente Ferrer
Sub-basin area
293km²
Upstream area
293,1km²
Discharge
9,85m³/s
Mean elev.
29m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 152.3 km²52.2% of basin
- 96.8 km²33.2% of basin
- 42.5 km²14.6% of basin
- 0.1 km²0.0% of basin
2 intersecting protected areas
Wetland of International Importance (Ramsar Site)
291.65 km² overlap
Environmental Protection Area
291.65 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
10 distinct species · 10 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°
27,1°C
Annual rain
1 910mm
Moisture idx (CMI)
0,13
Runoff
1 055mm/an
PET
1 667mm
AET
1 169mm
Mean slope
1,0°
Water table
25cm
Forest
39%
Crops
8%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)