HydroBASINS lev08 watershed · #1080571730
Bassin de Sénégal السنغال
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 across 2 countries : Dagana, Rosso
Sub-basin area
114,9km²
Upstream area
393 519,7km²
Discharge
182,77m³/s
Mean elev.
6m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 3 basins
- Bassin de Sénégal السنغال521 km²
- Bassin de Sénégal السنغال426 km²
- Bassin de Oued Katchi وادي كاتشي178 km²
2 dept-equivalent regions (GADM L2)
- 57.6 km²50.3% of basin
- 56.9 km²49.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
423 distinct species · 10 940 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 Sénégal السنغال : 16 espèces reliées par 32 interactions GloBI sur 3 types (connectance 10.7%, filtre Serrano α=0.2). 9 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
225mm
Moisture idx (CMI)
-0,89
Runoff
13mm/an
PET
2 112mm
AET
187mm
Mean slope
0,2°
Water table
20cm
Forest
0%
Crops
11%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)