HydroBASINS lev08 watershed · #1081369200
Bassin de Etala
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 : Balombo, Cassongue, Ekunha, Londuimbale
Sub-basin area
1 474,9km²
Upstream area
1 475,4km²
Discharge
28,52m³/s
Mean elev.
1 647m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- LonduimbaleHuambo · Angola1387.4 km²94.4% of basin
- BalomboBenguela · Angola40.3 km²2.7% of basin
- EkunhaHuambo · Angola39.8 km²2.7% of basin
- 1.8 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
563 distinct species · 6 451 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 4 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 Etala : 4 espèces + 0 bulles famille, 2 interactions GloBI documentées sur 2 types (connectance 33.3%, 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°
20,0°C
Annual rain
1 241mm
Moisture idx (CMI)
-0,22
Runoff
591mm/an
PET
1 598mm
AET
1 027mm
Mean slope
5,7°
Water table
401cm
Forest
97%
Crops
5%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)