HydroBASINS lev08 watershed · #1080623930
Bassin de Beli
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 3 administrative regions across 2 countries : Douentza, Oudalan, Soum
Sub-basin area
1 153,5km²
Upstream area
20 953,2km²
Discharge
4,93m³/s
Mean elev.
269m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Kouna807 km²
- Bassin de Kouna48 km²
3 dept-equivalent regions (GADM L2)
- DouentzaMopti · Mali870.5 km²75.7% of basin
- 277.8 km²24.2% of basin
- 1.1 km²0.1% of basin
1 intersecting protected areas
Sahel
IUCN IVSylvo-pastoral Reserve and Partial Wildlife Reserve
273.80 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
92 distinct species · 228 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 4 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 Beli : 3 espèces + 1 bulle famille, 2 interactions GloBI documentées sur 2 types (connectance 33.3%, filtre Serrano α=0.2). Les 1 bulle regroupe 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°
29,5°C
Annual rain
370mm
Moisture idx (CMI)
-0,83
Runoff
18mm/an
PET
2 123mm
AET
310mm
Mean slope
0,2°
Water table
62cm
Forest
0%
Crops
23%
Urban
0%
Protected
73%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)