Ontologia

Commune · AGO

Onkokwa

Angola

BShArid, steppe, hot(64 %)

Species observed

171

Observations

335

Area

3 632,3km²

Ecological tissue

Sample of 35 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Onkokwa : 31 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 29 interactions GloBI sur 4 types (connectance 4.9%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
29
Connectance
0.049
Patrimoniales
4
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

171 distinct species · 335 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

335 obs · 26 cellules
Obs. / cellule
≥ 158
30–157
9–29
4–8
< 4

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

Climate

Mean T°

22,7°C

Annual rain

390mm

Warmest m°

33,8°C

Coldest m°

11,4°C

Elevation: 1 051 m on average (min 647 m, max 1 378 m)

Bioclimatic detailsExpert
Annual mean temp.
22,7°C
Annual rain
390mm
Warmest month
33,8°C
Coldest month
11,4°C
Mean alt.
1 051m
Min
647m
Max
1 378m
Std. dev.
164m
Köppen-Geiger (dominant)
BShArid, steppe, hot(64 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,5

Org. C

9,3g/kg

Clay

21,0%

Sand

62,4%

Silt

16,5%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: piGLiMaggregated to Curoca

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,4
Org. C
12,4g/kg
Clay
19,7%
Sand
63,5%
Silt
16,8%
5–15 cm
pH H₂O
7,4
Org. C
8,7g/kg
Clay
21,1%
Sand
62,3%
Silt
16,6%
15–30 cm
pH H₂O
7,6
Org. C
6,7g/kg
Clay
22,4%
Sand
61,5%
Silt
16,1%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest14.6%
Crops1.0%
Built-up0.0%
Bare soil3.9%
Other (grassland, water…)80.6%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology18 basins · 0 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

200,6km

Basins crossed

18

Max stream order

7

Max drainage

100 172km²

Discharge in basins

73,5m³/s

Mean precip.

342mm/an

Mean T°

20,7°C

Moisture idx

-0,79

Mean runoff

63mm/an

Mean elev. (basins)

1 048m

Watersheds crossing here

9 more basins

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,7%

Pesticides

0,0kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas1

IUCN Not Reported · 1

Epupa

IUCN Not Reported

Communal Conservancy · 2012

2 912 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN