HydroBASINS lev08 watershed · #1080925080
Bassin de Gbeyar
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 7 administrative regions across 2 countries : Belleh, Gbarma, Golakonneh, Kenema, Kolahun +2
Sub-basin area
1 337,9km²
Upstream area
3 497,9km²
Discharge
174,95m³/s
Mean elev.
359m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #1080905060268 km²
- Bassin de Gbeya96 km²
7 dept-equivalent regions (GADM L2)
- 644.5 km²48.4% of basin
- 447.6 km²33.6% of basin
- 132.9 km²10.0% of basin
- 54.8 km²4.1% of basin
- 51.3 km²3.9% of basin
- 0.7 km²0.1% of basin
- 0.4 km²0.0% of basin
1 intersecting protected areas
Gola Forest National Park
IUCN Not ReportedNational Park
409.70 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
780 distinct species · 3 898 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 22 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 Gbeyar : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 2 bulles famille, 19 interactions GloBI documentées sur 2 types (connectance 8.2%, 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°
25,5°C
Annual rain
2 649mm
Moisture idx (CMI)
0,34
Runoff
1 601mm/an
PET
1 753mm
AET
1 413mm
Mean slope
4,7°
Water table
161cm
Forest
82%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)