HydroBASINS lev08 watershed · #1080974080
Bassin de Yei River
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 3 administrative regions : Mundri, Terkaka, Yerol
Sub-basin area
188,7km²
Upstream area
18 067,3km²
Discharge
113,4m³/s
Mean elev.
474m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Yei River768 km²
- Bassin de Yei River245 km²
3 dept-equivalent regions (GADM L2)
- 115.2 km²61.3% of basin
- Yerol72.6 km²38.6% of basin
- 0.1 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 distinct species · 6 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°
26,8°C
Annual rain
1 001mm
Moisture idx (CMI)
-0,49
Runoff
43mm/an
PET
1 972mm
AET
846mm
Mean slope
0,6°
Water table
121cm
Forest
53%
Crops
7%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)