HydroBASINS lev08 watershed · #1080563820
Bassin du Niger
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 : Gourma-Rharous, Tombouctou
Sub-basin area
251,7km²
Upstream area
379 067,6km²
Discharge
580,61m³/s
Mean elev.
264m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin du Niger370 km²
- Bassin de Niger179 km²
2 dept-equivalent regions (GADM L2)
- 138.8 km²55.3% of basin
- 112.0 km²44.7% of basin
1 intersecting protected areas
Delta Intérieur du Niger
IUCN Not ReportedWetland of International Importance (Ramsar Site)
98.43 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
93 distinct species · 138 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 du Niger : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 3 bulles famille, 15 interactions GloBI documentées sur 2 types (connectance 9.8%, filtre Serrano α=0.2). Les 3 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°
28,5°C
Annual rain
196mm
Moisture idx (CMI)
-0,91
Runoff
63mm/an
PET
2 158mm
AET
162mm
Mean slope
0,1°
Water table
25cm
Forest
0%
Crops
3%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)