HydroBASINS lev08 watershed · #1081506270
Bassin de Nhoma
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 : Ngamiland West
Sub-basin area
3 739,5km²
Upstream area
19 611,5km²
Discharge
13,59m³/s
Mean elev.
1 022m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Nhoma750 km²
- Bassin · #1081497510575 km²
1 dept-equivalent regions (GADM L2)
- 3728.2 km²100.0% of basin
1 intersecting protected areas
Okavango Delta System
IUCN IVWetland of International Importance (Ramsar Site)
26.50 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
256 distinct species · 2 208 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Nhoma : 29 espèces reliées par 32 interactions GloBI sur 3 types (connectance 5.7%, filtre Serrano α=0.2). 5 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°
22,0°C
Annual rain
460mm
Moisture idx (CMI)
-0,75
Runoff
28mm/an
PET
1 855mm
AET
386mm
Mean slope
0,5°
Water table
74cm
Forest
3%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)