HydroBASINS lev08 watershed · #1080794530
Bassin de White Volta
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 : Nabdam, Talensi, West Mamprusi
Sub-basin area
497,6km²
Upstream area
58 007,4km²
Discharge
117,86m³/s
Mean elev.
173m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de White Volta409 km²
- Bassin de Kulubiliga216 km²
3 dept-equivalent regions (GADM L2)
- 250.3 km²50.5% of basin
- 240.1 km²48.4% of basin
- 5.2 km²1.0% of basin
3 intersecting protected areas
Red Volta West
IUCN IVForest Reserve
30.58 km² overlap
Ankwai East
IUCN VIForest Reserve
16.76 km² overlap
Gambaga Scarp West
IUCN IIIForest Reserve
2.63 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
310 distinct species · 4 693 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de White Volta : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 3 types (connectance 6.9%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
28,2°C
Annual rain
1 001mm
Moisture idx (CMI)
-0,48
Runoff
147mm/an
PET
1 911mm
AET
831mm
Mean slope
1,5°
Water table
199cm
Forest
44%
Crops
20%
Urban
2%
Protected
13%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)