Ontologia

HydroBASINS lev08 watershed · #1081299920

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 4 administrative regions : Calandula, Caombo, Marimba, Massango

Pfafstetter: 13224762

Sub-basin area

3 745,2km²

Upstream area

3 745,2km²

Discharge

27,29m³/s

Mean elev.

806m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Cambo952 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

4 dept-equivalent regions (GADM L2)

  • Massango
    Malanje · Angola
    1537.3 km²
    41.2% of basin
  • Calandula
    Malanje · Angola
    909.1 km²
    24.4% of basin
  • Marimba
    Malanje · Angola
    849.2 km²
    22.8% of basin
  • Caombo
    Malanje · Angola
    433.9 km²
    11.6% of basin

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

Species present

12 distinct species · 19 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

19 obs · 4 cellules
Obs. / cellule
≥ 9
9–8
7–8
7–6
< 7

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°

23,0°C

Annual rain

1 226mm

Moisture idx (CMI)

-0,33

Runoff

242mm/an

PET

1 840mm

AET

1 037mm

Mean slope

4,9°

Water table

316cm

Forest

94%

Crops

4%

Urban

0%

Protected

0%

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