HydroBASINS lev08 watershed · #1081637100
Bassin de Senqu
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.
Sub-basin area
123,9km²
Upstream area
15 033,2km²
Discharge
95,68m³/s
Mean elev.
1 900m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Senqunyane River522 km²
- Bassin de Senqu230 km²
0 dept-equivalent regions (GADM L2)
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
96 distinct species · 141 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 17 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 Senqu : 14 espèces reliées par 15 interactions GloBI sur 4 types (connectance 9.8%, filtre Serrano α=0.2). 4 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°
13,4°C
Annual rain
683mm
Moisture idx (CMI)
-0,48
Runoff
122mm/an
PET
1 316mm
AET
580mm
Mean slope
15,0°
Water table
730cm
Forest
0%
Crops
3%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)