HydroBASINS lev08 watershed · #1081633610
Bassin de Sakrivier
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
273,1km²
Upstream area
43 291,3km²
Discharge
0m³/s
Mean elev.
879m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 3 basins
- Bassin · #1080067720478 km²
- Bassin · #1081634080274 km²
- Bassin de Sakrivier5 km²
2 dept-equivalent regions (GADM L2)
- 188.0 km²68.9% of basin
- 84.7 km²31.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
148 distinct species · 1 817 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 de Sakrivier : 12 espèces reliées par 14 interactions GloBI sur 2 types (connectance 13.3%, 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°
19,0°C
Annual rain
167mm
Moisture idx (CMI)
-0,90
Runoff
30mm/an
PET
1 734mm
AET
139mm
Mean slope
0,9°
Water table
349cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)