Ontologia

Commune · ZAF

City of Cape Town

South Africa

CsbTemperate, dry summer, warm summer(82 %)

Species observed

13 209

Observations

2 218 983

Area

2 456km²

Ecological tissue

Sample of 41 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 City of Cape Town : 37 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 33 interactions GloBI sur 4 types (connectance 4.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
33
Connectance
0.040
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

13 209 distinct species · 2 218 983 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 218 983 obs · 69 cellules
Obs. / cellule
≥ 353 358
80 721–353 357
31 006–80 720
10 122–31 005
< 10 122

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

Climate

Mean T°

16,3°C

Annual rain

1 000mm

Warmest m°

24,7°C

Coldest m°

9,0°C

Elevation: 129 m on average (min -30 m, max 1 281 m)

Bioclimatic detailsExpert
Annual mean temp.
16,3°C
Annual rain
1 000mm
Warmest month
24,7°C
Coldest month
9,0°C
Mean alt.
129m
Min
-30m
Max
1 281m
Std. dev.
159m
Köppen-Geiger (dominant)
CsbTemperate, dry summer, warm summer(82 %)Temperate

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

Soil & lithology

pH H₂O

6,4

Org. C

37,9g/kg

Clay

14,6%

Sand

76,6%

Silt

8,9%

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

Dominant lithology: ssGLiMaggregated to City of Cape Town

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
51,0g/kg
Clay
10,9%
Sand
80,0%
Silt
9,1%
5–15 cm
pH H₂O
6,4
Org. C
34,1g/kg
Clay
13,7%
Sand
77,3%
Silt
8,9%
15–30 cm
pH H₂O
6,4
Org. C
28,5g/kg
Clay
19,0%
Sand
72,4%
Silt
8,6%

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

Land cover

Forest5.3%
Crops19.7%
Built-up6.7%
Bare soil3.2%
Other (grassland, water…)65.1%

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

Hydrology11 basins · 19 lakes · 38 rivers

Hydrology metrics for this exact territory

Stream length here

378,0km

Lake surface here

10,49km²

Basins crossed

11

Max stream order

4

Max drainage

2 231km²

Discharge in basins

19,7m³/s

Mean precip.

680mm/an

Mean T°

16,5°C

Moisture idx

-0,43

Max snow

1%

Mean runoff

342mm/an

Mean elev. (basins)

145m

Watersheds crossing here

2 more basins

Lakes (19, top by area)

10 more lakes

Rivers / streams (38, ord ≥ 4)

26 more river segments

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

Human pressure

Pop. density

14hab/km²

Night light

9,0nW

Built-up

665,9%

Pesticides

22,1kg/km²

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

Protected areas47

IUCN Not Reported · 45IUCN Not Applicable · 1IUCN VI · 1🌊 Marine · 14
Complete list

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