Ontologia

Province · zaf

Western Cape

South Africa

BSkArid, steppe, cold(32 %)

Species observed

29 915

Observations

6 342 680

Area

129 473km²

Ecological tissue

Sample of 31 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 Western Cape : 28 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 25 interactions GloBI sur 4 types (connectance 5.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
25
Connectance
0.050
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

29 915 distinct species · 6 342 680 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 342 680 obs · 73 cellules
Obs. / cellule
≥ 1 090 962
168 989–1 090 961
79 461–168 988
45 036–79 460
< 45 036

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

16,5°C

Annual rain

429mm

Warmest m°

28,8°C

Coldest m°

5,5°C

Elevation: 593 m on average (min -89 m, max 2 156 m)

Bioclimatic detailsExpert
Annual mean temp.
16,5°C
Annual rain
429mm
Warmest month
28,8°C
Coldest month
5,5°C
Mean alt.
593m
Min
-89m
Max
2 156m
Std. dev.
417m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(32 %)Arid

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

Soil & lithology

pH H₂O

7,3

Org. C

19,0g/kg

Clay

18,5%

Sand

66,9%

Silt

14,6%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,2
Org. C
25,2g/kg
Clay
16,4%
Sand
68,8%
Silt
14,8%
5–15 cm
pH H₂O
7,3
Org. C
17,6g/kg
Clay
18,7%
Sand
66,7%
Silt
14,6%
15–30 cm
pH H₂O
7,4
Org. C
14,2g/kg
Clay
20,4%
Sand
65,2%
Silt
14,4%

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

Land cover

Forest2.5%
Crops9.6%
Built-up0.3%
Bare soil24.0%
Other (grassland, water…)63.7%

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

Hydrology213 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

10 022,2km

Lake surface here

177,11km²

Basins crossed

213

Max stream order

6

Max drainage

46 364km²

Discharge in basins

1 044,6m³/s

Mean precip.

362mm/an

Mean T°

16,2°C

Moisture idx

-0,73

Max snow

1%

Mean runoff

69mm/an

Mean elev. (basins)

598m

Watersheds crossing here

204 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (100, ord ≥ 4)

88 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

26,2%

Pesticides

10,1kg/km²

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

Protected areas100

IUCN Not Reported · 98IUCN Not Applicable · 1IUCN II · 1🌊 Marine · 28
Complete list

+ 40 protected areas (top 60 shown)

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

Sub-administrations6