HydroBASINS lev08 watershed · #1081613490
Bassin de Vaal River
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 3 administrative regions : Dr Kenneth Kaunda, Fezile Dabi, Lejweleputswa
Sub-basin area
2 083,8km²
Upstream area
72 199,2km²
Discharge
87,19m³/s
Mean elev.
1 351m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Vaal River1365 km²
- Bassin de Skoonspruit1 km²
3 dept-equivalent regions (GADM L2)
- 1093.2 km²52.5% of basin
- 534.6 km²25.7% of basin
- 452.5 km²21.8% of basin
1 intersecting protected areas
Boskoppie Game Reserve
IUCN Not ReportedNature Reserve
0.21 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
728 distinct species · 26 646 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 Vaal River : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 19 interactions GloBI sur 3 types (connectance 7.5%, 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°
16,8°C
Annual rain
603mm
Moisture idx (CMI)
-0,61
Runoff
28mm/an
PET
1 542mm
AET
510mm
Mean slope
0,7°
Water table
437cm
Forest
0%
Crops
26%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)