HydroBASINS lev08 watershed · #1080882040
Bassin de Black 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 : Bole, Kintampo North, Kintampo South
Sub-basin area
1 380,1km²
Upstream area
141 755,9km²
Discharge
354,24m³/s
Mean elev.
144m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Black Volta797 km²
- Bassin de Black Volta653 km²
3 dept-equivalent regions (GADM L2)
- 710.7 km²51.7% of basin
- 622.6 km²45.3% of basin
- 41.0 km²3.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
230 distinct species · 467 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Black Volta : 34 espèces reliées par 53 interactions GloBI sur 5 types (connectance 5.9%, filtre Serrano α=0.2). 9 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°
27,5°C
Annual rain
1 199mm
Moisture idx (CMI)
-0,33
Runoff
157mm/an
PET
1 797mm
AET
1 015mm
Mean slope
1,0°
Water table
134cm
Forest
93%
Crops
22%
Urban
2%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)