HydroBASINS lev08 watershed · #1080018990
Bassin de Rio Cavaco
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 : Baía Farta, Benguela, Caiambambo, Cubal
Sub-basin area
3 991,5km²
Upstream area
3 991,7km²
Discharge
20,15m³/s
Mean elev.
736m
Administrative coverage
4 dept-equivalent regions (GADM L2)
- CaiambamboBenguela · Angola2219.6 km²55.8% of basin
- BenguelaBenguela · Angola1421.1 km²35.7% of basin
- Baía FartaBenguela · Angola203.8 km²5.1% of basin
- CubalBenguela · Angola131.7 km²3.3% of basin
1 intersecting protected areas
Buffalo partial reserve
IUCN IVPartial Reserve
331.36 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
644 distinct species · 2 849 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 22 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 Rio Cavaco : 19 espèces reliées par 25 interactions GloBI sur 3 types (connectance 9.9%, filtre Serrano α=0.2). 4 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°
22,4°C
Annual rain
909mm
Moisture idx (CMI)
-0,41
Runoff
164mm/an
PET
1 539mm
AET
758mm
Mean slope
5,2°
Water table
528cm
Forest
11%
Crops
1%
Urban
1%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)