HydroBASINS lev08 watershed · #1080679780
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 1 administrative regions : Ségou
Sub-basin area
101,8km²
Upstream area
131 880,3km²
Discharge
1 035,38m³/s
Mean elev.
287m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin du Niger231 km²
- Bassin du Niger212 km²
1 dept-equivalent regions (GADM L2)
- SégouSégou · Mali101.4 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
341 distinct species · 1 033 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 2 bulles famille, 18 interactions GloBI documentées sur 4 types (connectance 5.5%, 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°
27,8°C
Annual rain
633mm
Moisture idx (CMI)
-0,69
Runoff
54mm/an
PET
2 045mm
AET
533mm
Mean slope
0,1°
Water table
22cm
Forest
0%
Crops
7%
Urban
18%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)