HydroBASINS lev08 watershed · #1080673690
Bassin de Grand Bao Bôlon
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 : Nioro du Rip
Sub-basin area
181,1km²
Upstream area
2 286,7km²
Discharge
2,5m³/s
Mean elev.
23m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Grand Bao Bôlon1158 km²
- Bassin de Grand Bao Bôlon191 km²
1 dept-equivalent regions (GADM L2)
- Nioro du RipKaolack · Senegal180.4 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
91 distinct species · 250 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 Grand Bao Bôlon : 21 espèces reliées par 17 interactions GloBI sur 2 types (connectance 6.7%, filtre Serrano α=0.2). 2 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°
27,4°C
Annual rain
664mm
Moisture idx (CMI)
-0,68
Runoff
51mm/an
PET
2 067mm
AET
560mm
Mean slope
0,5°
Water table
103cm
Forest
0%
Crops
70%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)