HydroBASINS lev08 watershed · #1081598570
Bassin · #1081598570
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 : Gemsbok
Sub-basin area
799,6km²
Upstream area
1 748km²
Discharge
0,09m³/s
Mean elev.
985m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #1081590340696 km²
- Bassin · #1081590410253 km²
1 intersecting protected areas
Gemsbok
IUCN IbNational Park
797.98 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
50 distinct species · 103 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 15 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 · #1081598570 : 12 espèces reliées par 15 interactions GloBI sur 2 types (connectance 14.3%, filtre Serrano α=0.2). 3 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°
20,2°C
Annual rain
257mm
Moisture idx (CMI)
-0,86
Runoff
1mm/an
PET
1 871mm
AET
214mm
Mean slope
0,0°
Water table
14cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)