HydroBASINS lev08 watershed · #1080640580
Bassin de Koya
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 1 administrative regions : Diéma
Sub-basin area
159,1km²
Upstream area
34 248km²
Discharge
10,16m³/s
Mean elev.
262m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Dioumara740 km²
- Bassin de Kodyalan369 km²
1 dept-equivalent regions (GADM L2)
- DiémaKayes · Mali158.6 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 4 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°
27,8°C
Annual rain
605mm
Moisture idx (CMI)
-0,71
Runoff
23mm/an
PET
2 110mm
AET
509mm
Mean slope
0,5°
Water table
162cm
Forest
0%
Crops
5%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)