HydroBASINS lev08 watershed · #1080688450
Bassin de Koulountou
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 2 administrative regions : Tambacounda, Vélingara
Sub-basin area
1 561,2km²
Upstream area
6 471,6km²
Discharge
39,36m³/s
Mean elev.
52m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Koulountou554 km²
- Bassin de Koulountou294 km²
2 dept-equivalent regions (GADM L2)
- TambacoundaTambacounda · Senegal899.3 km²57.8% of basin
- 655.9 km²42.2% of basin
3 intersecting protected areas
National Park
1365.04 km² overlap
Niokolo-Koba National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
1359.88 km² overlap
Parc national du Niokolo-Koba
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
1359.88 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
259 distinct species · 405 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Koulountou : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 31 interactions GloBI sur 3 types (connectance 6.2%, filtre Serrano α=0.2). 4 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°
27,6°C
Annual rain
1 023mm
Moisture idx (CMI)
-0,49
Runoff
131mm/an
PET
1 989mm
AET
797mm
Mean slope
0,9°
Water table
99cm
Forest
59%
Crops
3%
Urban
0%
Protected
87%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)