Commune · AGO
Onjiva
Angola
Species observed
117
Observations
165
Area
2 098,4km²
Ecological tissue
Sample of 24 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 Onjiva : 20 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 32 interactions GloBI sur 2 types (connectance 11.6%, 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).
Species present
117 distinct species · 165 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
22,9°C
Annual rain
542mm
Warmest m°
33,8°C
Coldest m°
11,5°C
Elevation: 1 112 m on average (min 1 106 m, max 1 120 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,0
Org. C
5,2g/kg
Clay
17,8%
Sand
76,0%
Silt
6,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Cuanhama
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology14 basins · 13 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
15,9km
Lake surface here
6,43km²
Basins crossed
14
Max stream order
3
Max drainage
27 655km²
Discharge in basins
31,8m³/s
Mean precip.
578mm/an
Mean T°
22,7°C
Moisture idx
-0,70
Mean runoff
22mm/an
Mean elev. (basins)
1 116m
Watersheds crossing here
- Bassin de Gwashuuisub-area3 016,7 km²overlap608.38 km²29%
- Basin #61590sub-area569,3 km²overlap251.48 km²12%
- Basin #60630sub-area198,3 km²overlap191.40 km²9%
- Bassin de Cuvelaisub-area1 233 km²overlap189.89 km²9%
- Bassin de Calueque–Oshakati Canalsub-area2 482,1 km²overlap164.58 km²8%
- Basin #64280sub-area160,1 km²overlap149.84 km²7%
- Basin #64380sub-area151,8 km²overlap129.89 km²6%
- Basin #64940sub-area314,8 km²overlap107.80 km²5%
- Basin #60790sub-area1 470,1 km²overlap105.16 km²5%
Lakes (13, top by area)
- Lake #82483area1 km²avg depth1.3 m
- Lac 1414579area0,9 km²avg depth1.9 m
- Lac 1414628area0,7 km²avg depth1.7 m
- Lac 1414502area0,7 km²avg depth2.1 m
- Lac 1414545area0,7 km²avg depth2.0 m
- Lac 1414654area0,6 km²avg depth1.4 m
- Lac 1414526area0,5 km²avg depth2.3 m
- Lac 1414536area0,5 km²avg depth1.7 m
- Lac 1414575area0,4 km²avg depth2.1 m
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
0,4nW
Built-up
40,9%
Pesticides
0,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)