Ontologia

Province · ago

Cuanza Norte

Angola

AwTropical, savannah(99 %)

Species observed

2 032

Observations

9 831

Area

23 822,8km²

Ecological tissue

Sample of 29 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 Cuanza Norte : 27 espèces reliées par 26 interactions GloBI sur 4 types (connectance 6.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
26
Connectance
0.064
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Species present

2 032 distinct species · 9 831 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 831 obs · 235 cellules
Obs. / cellule
≥ 680
68–679
14–67
5–13
< 5

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

1 449mm

Warmest m°

30,2°C

Coldest m°

15,1°C

Elevation: 706 m on average (min 10 m, max 1 470 m)

Bioclimatic detailsExpert
Annual mean temp.
22,7°C
Annual rain
1 449mm
Warmest month
30,2°C
Coldest month
15,1°C
Mean alt.
706m
Min
10m
Max
1 470m
Std. dev.
367m
Köppen-Geiger (dominant)
AwTropical, savannah(99 %)Tropical

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

Soil & lithology

pH H₂O

5,6

Org. C

19,8g/kg

Clay

31,4%

Sand

52,4%

Silt

16,2%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
27,3g/kg
Clay
30,5%
Sand
53,2%
Silt
16,3%
5–15 cm
pH H₂O
5,6
Org. C
20,2g/kg
Clay
30,9%
Sand
52,8%
Silt
16,3%
15–30 cm
pH H₂O
5,6
Org. C
11,9g/kg
Clay
32,8%
Sand
51,1%
Silt
16,1%

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

Land cover

Forest47.5%
Crops1.1%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)51.3%

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

Hydrology41 basins · 29 lakes · 13 rivers

Hydrology metrics for this exact territory

Stream length here

1 537,5km

Lake surface here

38,11km²

Basins crossed

41

Max stream order

7

Max drainage

145 091km²

Discharge in basins

4 690,6m³/s

Mean precip.

998mm/an

Mean T°

23,0°C

Moisture idx

-0,37

Mean runoff

262mm/an

Mean elev. (basins)

706m

Watersheds crossing here

32 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

6,7%

Pesticides

0,0kg/km²

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

Sub-administrations21