HydroBASINS lev08 watershed · #1080774380
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 across 2 countries : Bawku West, Binduri, Boulgou
Sub-basin area
66,1km²
Upstream area
41 641,1km²
Discharge
76,03m³/s
Mean elev.
200m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Nakembé1487 km²
- Bassin de Nouhao114 km²
3 dept-equivalent regions (GADM L2)
- 48.6 km²73.8% of basin
- 15.7 km²23.9% of basin
- 1.5 km²2.3% of basin
1 intersecting protected areas
Zawze Hills Block 1 & II
IUCN VIForest Reserve
2.24 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
249 distinct species · 5 193 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 : 16 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 2 bulles famille, 13 interactions GloBI documentées sur 3 types (connectance 8.5%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
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
912mm
Moisture idx (CMI)
-0,53
Runoff
155mm/an
PET
1 949mm
AET
770mm
Mean slope
1,1°
Water table
112cm
Forest
0%
Crops
37%
Urban
24%
Protected
6%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)