HydroBASINS lev08 watershed · #1080027160
Bassin · #1080027160
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 : Thiès, Tivaouane
Sub-basin area
451,6km²
Upstream area
451,7km²
Discharge
0m³/s
Mean elev.
40m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 233.7 km²51.9% of basin
- 216.2 km²48.1% of basin
2 intersecting protected areas
Foret de Thies
IUCN Not ReportedForest Reserve
59.51 km² overlap
AMP Kayar
IUCN VIMarine Protected Area
0.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
663 distinct species · 4 079 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 · #1080027160 : 22 espèces reliées par 40 interactions GloBI sur 2 types (connectance 8.6%, 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°
25,7°C
Annual rain
476mm
Moisture idx (CMI)
-0,72
Runoff
8mm/an
PET
1 731mm
AET
401mm
Mean slope
0,8°
Water table
222cm
Forest
0%
Crops
28%
Urban
16%
Protected
13%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)