HydroBASINS lev08 watershed · #1080960280
Bassin de Ogun
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 15 administrative regions : Abeokuta North, Abeokuta South, Agege, Ewekoro, Ifako/Ijaye +10
Sub-basin area
2 088km²
Upstream area
22 165,7km²
Discharge
319,87m³/s
Mean elev.
63m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Oyan514 km²
- Bassin de Lafenwa River76 km²
15 dept-equivalent regions (GADM L2)
- 697.4 km²33.5% of basin
- 584.1 km²28.1% of basin
- 261.6 km²12.6% of basin
- 230.0 km²11.1% of basin
- 112.7 km²5.4% of basin
- 69.8 km²3.4% of basin
- 57.8 km²2.8% of basin
- 20.5 km²1.0% of basin
7 moreFull L2 list
- Ikeja17.1 km² · 0.8%
- Yewa North11.9 km² · 0.6%
- Ifako/Ijaye11.2 km² · 0.5%
- Yewa South2.7 km² · 0.1%
- Ikorodu0.9 km² · 0.0%
- Shagamu0.8 km² · 0.0%
- Agege0.7 km² · 0.0%
2 intersecting protected areas
Ogun River
IUCN Not ReportedForest Reserve
13.39 km² overlap
Arakanga
IUCN Not ReportedForest Reserve
2.66 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
823 distinct species · 3 741 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Ogun : 31 espèces reliées par 45 interactions GloBI sur 4 types (connectance 6.1%, filtre Serrano α=0.2). 8 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°
27,0°C
Annual rain
1 330mm
Moisture idx (CMI)
-0,16
Runoff
665mm/an
PET
1 580mm
AET
1 075mm
Mean slope
1,7°
Water table
107cm
Forest
51%
Crops
47%
Urban
24%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)