Ontologia

HydroBASINS lev08 watershed · #1081291250

Bassin de Uamba

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 3 administrative regions : Alto Cauale, Massango, Sanza Pombo

Pfafstetter: 13224746

Sub-basin area

1 258,3km²

Upstream area

1 258,3km²

Discharge

14,22m³/s

Mean elev.

784m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Kwale575 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

  • Sanza Pombo
    Uíge · Angola
    1228.9 km²
    98.1% of basin
  • Alto Cauale
    Uíge · Angola
    20.3 km²
    1.6% of basin
  • Massango
    Malanje · Angola
    3.7 km²
    0.3% of basin

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

33 distinct species · 47 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

47 obs · 9 cellules
Obs. / cellule
≥ 21
21–20
6–20
3–5
< 3

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Graphe en cours d’indexation

Calcul du tissu écologique de cette entité.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).

Hydroclimate (BasinATLAS lev08)

Mean T°

22,9°C

Annual rain

1 305mm

Moisture idx (CMI)

-0,25

Runoff

357mm/an

PET

1 745mm

AET

1 100mm

Mean slope

5,4°

Water table

257cm

Forest

94%

Crops

1%

Urban

0%

Protected

0%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)