HydroBASINS lev08 watershed · #1080917990
Bassin de Niangiri
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 2 administrative regions : Mayo Rey, Vina
Sub-basin area
176,6km²
Upstream area
2 413,3km²
Discharge
35,92m³/s
Mean elev.
1 014m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Bini1026 km²
- Bassin de Wara228 km²
2 dept-equivalent regions (GADM L2)
- 148.0 km²84.1% of basin
- 27.9 km²15.9% of basin
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
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
22,8°C
Annual rain
1 480mm
Moisture idx (CMI)
-0,16
Runoff
434mm/an
PET
1 758mm
AET
1 012mm
Mean slope
4,4°
Water table
182cm
Forest
100%
Crops
55%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)