HydroBASINS lev08 watershed · #1080022030
Bassin de Ogu Creek
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 12 administrative regions : Andoni, Bonny, Eastern Obolo, Eleme, Gokana +7
Sub-basin area
1 343km²
Upstream area
1 343km²
Discharge
19,74m³/s
Mean elev.
10m
Administrative coverage
12 dept-equivalent regions (GADM L2)
- 329.1 km²24.6% of basin
- 187.8 km²14.0% of basin
- 139.0 km²10.4% of basin
- 119.3 km²8.9% of basin
- 87.9 km²6.6% of basin
- 78.9 km²5.9% of basin
- 78.8 km²5.9% of basin
- 70.7 km²5.3% of basin
4 moreFull L2 list
- Ogu/Bolo34.7 km² · 2.6%
- Oyigbo32.7 km² · 2.4%
- Port Harcourt22.7 km² · 1.7%
- Eastern Obolo0.0 km² · 0.0%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
713 distinct species · 3 210 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Ogu Creek : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 3 types (connectance 5.3%, filtre Serrano α=0.2). 5 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°
26,6°C
Annual rain
3 416mm
Moisture idx (CMI)
0,54
Runoff
1 498mm/an
PET
1 557mm
AET
1 393mm
Mean slope
0,4°
Water table
20cm
Forest
86%
Crops
22%
Urban
60%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)