HydroBASINS lev08 watershed · #1081551380
Bassin de Okwa
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 1 administrative regions : Ghanzi
Sub-basin area
650,6km²
Upstream area
23 515,5km²
Discharge
13,35m³/s
Mean elev.
1 085m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Okwa596 km²
- Bassin de Chapman's307 km²
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
169 distinct species · 424 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Okwa : 25 espèces reliées par 35 interactions GloBI sur 3 types (connectance 6.6%, filtre Serrano α=0.2). 8 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°
20,8°C
Annual rain
376mm
Moisture idx (CMI)
-0,80
Runoff
19mm/an
PET
1 846mm
AET
315mm
Mean slope
0,2°
Water table
144cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)