HydroBASINS lev08 watershed · #1080681050
Bassin de Gambie
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 8 administrative regions across 2 countries : Fulladu East, Fulladu West, Médina Yoro Foula, Sami, Sandu +3
Sub-basin area
1 190,2km²
Upstream area
45 857,9km²
Discharge
166,17m³/s
Mean elev.
37m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Gambie546 km²
- Bassin de Prufu Bolong370 km²
8 dept-equivalent regions (GADM L2)
- 374.6 km²31.6% of basin
- 255.2 km²21.5% of basin
- Médina Yoro FoulaKolda · Senegal244.6 km²20.6% of basin
- 126.8 km²10.7% of basin
- 65.5 km²5.5% of basin
- TambacoundaTambacounda · Senegal60.9 km²5.1% of basin
- 58.0 km²4.9% of basin
- 0.0 km²0.0% of basin
1 intersecting protected areas
Demba Kunda
IUCN VICommunity Protected Area
0.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
452 distinct species · 1 973 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 21 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 Gambie : 17 espèces reliées par 20 interactions GloBI sur 3 types (connectance 7.9%, filtre Serrano α=0.2). 6 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°
27,1°C
Annual rain
816mm
Moisture idx (CMI)
-0,60
Runoff
60mm/an
PET
2 019mm
AET
687mm
Mean slope
0,5°
Water table
85cm
Forest
0%
Crops
14%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)