HydroBASINS lev08 watershed · #1081478070
Bassin de Etaka
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 4 administrative regions : Ogongo, Okahao, Otamanzi, Tsandi
Sub-basin area
797,7km²
Upstream area
5 085,5km²
Discharge
4,6m³/s
Mean elev.
1 108m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Calueque–Oshakati Canal1451 km²
- Bassin · #1081472890123 km²
4 dept-equivalent regions (GADM L2)
- 439.9 km²55.3% of basin
- 240.8 km²30.3% of basin
- 72.5 km²9.1% of basin
- 41.9 km²5.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
49 distinct species · 139 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 14 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 Etaka : 13 espèces reliées par 11 interactions GloBI sur 5 types (connectance 12.1%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
22,6°C
Annual rain
440mm
Moisture idx (CMI)
-0,77
Runoff
5mm/an
PET
1 888mm
AET
370mm
Mean slope
0,0°
Water table
23cm
Forest
0%
Crops
9%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)