HydroBASINS lev08 watershed · #1081632190
Bassin de Hartebeesrivier
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 : Namakwa, Siyanda
Sub-basin area
730,4km²
Upstream area
64 243,8km²
Discharge
2,85m³/s
Mean elev.
892m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Hartebeesrivier1116 km²
- Bassin de Sakrivier273 km²
2 dept-equivalent regions (GADM L2)
- 725.2 km²99.4% of basin
- 4.3 km²0.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
151 distinct species · 1 037 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Hartebeesrivier : 21 espèces reliées par 28 interactions GloBI sur 3 types (connectance 6.9%, filtre Serrano α=0.2). 8 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°
19,1°C
Annual rain
175mm
Moisture idx (CMI)
-0,90
Runoff
24mm/an
PET
1 731mm
AET
146mm
Mean slope
1,0°
Water table
459cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)