HydroBASINS lev08 watershed · #1081597160
Bassin de Wilgerivier
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 : City of Tshwane, Nkangala
Sub-basin area
142,2km²
Upstream area
3 023km²
Discharge
2,84m³/s
Mean elev.
1 426m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Wilge River1143 km²
- Bassin de Bronkhorstspruit851 km²
2 dept-equivalent regions (GADM L2)
- City of Tshwane135.3 km²95.3% of basin
- 6.6 km²4.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
716 distinct species · 11 429 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 Wilgerivier : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 18 interactions GloBI sur 3 types (connectance 6.0%, filtre Serrano α=0.2). 2 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°
16,6°C
Annual rain
681mm
Moisture idx (CMI)
-0,56
Runoff
31mm/an
PET
1 536mm
AET
577mm
Mean slope
3,2°
Water table
541cm
Forest
0%
Crops
20%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)