HydroBASINS lev08 watershed · #1080977630
Bassin de 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 : Ada West, North Tongu, Shai Osudoku
Sub-basin area
197km²
Upstream area
406 997,8km²
Discharge
1 051,42m³/s
Mean elev.
15m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Volta317 km²
- Bassin de Volta157 km²
3 dept-equivalent regions (GADM L2)
- 165.3 km²84.3% of basin
- 19.5 km²9.9% of basin
- 11.3 km²5.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
570 distinct species · 1 314 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 3 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 Volta : 2 espèces reliées par 3 interactions GloBI sur 2 types (connectance 100.0%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
27,2°C
Annual rain
994mm
Moisture idx (CMI)
-0,39
Runoff
134mm/an
PET
1 617mm
AET
841mm
Mean slope
0,5°
Water table
48cm
Forest
10%
Crops
35%
Urban
13%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)