HydroBASINS lev08 watershed · #1081473580
Bassin de Covali
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 9 administrative regions across 2 countries : Endola, Engela, Namakunde, Ohangwena, Okaku +4
Sub-basin area
690,6km²
Upstream area
13 889,3km²
Discharge
11,93m³/s
Mean elev.
1 105m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Mulavi906 km²
- Bassin de Covali46 km²
9 dept-equivalent regions (GADM L2)
- 186.6 km²27.1% of basin
- 150.4 km²21.9% of basin
- 108.9 km²15.8% of basin
- 80.6 km²11.7% of basin
- 66.2 km²9.6% of basin
- 49.4 km²7.2% of basin
- 24.6 km²3.6% of basin
- 20.5 km²3.0% of basin
1 moreFull L2 list
- Ondobe1.1 km² · 0.2%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
227 distinct species · 603 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 12 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 Covali : 11 espèces + 1 bulle famille, 7 interactions GloBI documentées sur 2 types (connectance 10.6%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).
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
526mm
Moisture idx (CMI)
-0,73
Runoff
6mm/an
PET
1 937mm
AET
443mm
Mean slope
0,1°
Water table
16cm
Forest
0%
Crops
0%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)