HydroBASINS lev08 watershed · #1081505340
Bassin de Omatako
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 : Grootfontein, Tsumkwe
Sub-basin area
455,1km²
Upstream area
44 844,8km²
Discharge
18,81m³/s
Mean elev.
1 210m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Omatako943 km²
- Bassin de Omatako340 km²
2 dept-equivalent regions (GADM L2)
- 388.0 km²85.5% of basin
- 65.7 km²14.5% of basin
2 intersecting protected areas
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
67 distinct species · 78 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 8 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 Omatako : 8 espèces reliées par 4 interactions GloBI sur 2 types (connectance 14.3%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
21,5°C
Annual rain
464mm
Moisture idx (CMI)
-0,74
Runoff
17mm/an
PET
1 789mm
AET
391mm
Mean slope
0,3°
Water table
182cm
Forest
0%
Crops
0%
Urban
0%
Protected
19%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)