HydroBASINS lev08 watershed · #1081446860
Bassin de Longa
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 2 administrative regions : Cuito Cuanavale, Nancova
Sub-basin area
1 671,8km²
Upstream area
13 314,6km²
Discharge
19,82m³/s
Mean elev.
1 196m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Longa829 km²
- Bassin de Longa345 km²
2 dept-equivalent regions (GADM L2)
- Nancova1646.9 km²98.8% of basin
- 19.2 km²1.2% of basin
1 intersecting protected areas
Mavinga National Park
IUCN IINational Park
925.74 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
93 distinct species · 148 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 5 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 Longa : 3 espèces reliées par 9 interactions GloBI sur 2 types (connectance 60.0%, filtre Serrano α=0.2). 3 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°
21,7°C
Annual rain
746mm
Moisture idx (CMI)
-0,61
Runoff
60mm/an
PET
1 911mm
AET
629mm
Mean slope
1,2°
Water table
237cm
Forest
3%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)