Ontologia

Subdivision · ZAF

112

South Africa

CwbTemperate, dry winter, warm summer(97 %)

Species observed

535

Observations

50 738

Area

54,2km²

Ecological tissue

Sample of 28 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 112 : 28 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 18 interactions GloBI sur 3 types (connectance 4.8%, filtre Serrano α=0.2).

Espèces affichées
28
Interactions affichées
18
Connectance
0.048
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

535 distinct species · 50 738 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

50 738 obs · 1 cellules
Obs. / cellule
≥ 50 738
50 738–50 737
50 738–50 737
50 738–50 737
< 50 738

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

Climate

Mean T°

16,7°C

Annual rain

676mm

Warmest m°

25,8°C

Coldest m°

3,7°C

Elevation: 1 504 m on average (min 1 394 m, max 1 576 m)

Bioclimatic detailsExpert
Annual mean temp.
16,7°C
Annual rain
676mm
Warmest month
25,8°C
Coldest month
3,7°C
Mean alt.
1 504m
Min
1 394m
Max
1 576m
Std. dev.
43m
Köppen-Geiger (dominant)
CwbTemperate, dry winter, warm summer(97 %)Temperate

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

Soil & lithology

pH H₂O

5,8

Org. C

16,0g/kg

Clay

22,7%

Sand

63,9%

Silt

13,5%

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

Dominant lithology: mtGLiMaggregated to City of Johannesburg

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
19,0g/kg
Clay
23,1%
Sand
63,3%
Silt
13,7%
5–15 cm
pH H₂O
5,8
Org. C
13,5g/kg
Clay
21,8%
Sand
64,7%
Silt
13,6%
15–30 cm
pH H₂O
5,8
Org. C
15,3g/kg
Clay
23,1%
Sand
63,6%
Silt
13,2%

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

Land cover

Forest4.6%
Crops10.5%
Built-up12.2%
Bare soil2.7%
Other (grassland, water…)70.1%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,9km

Basins crossed

2

Max stream order

1

Max drainage

1 492km²

Discharge in basins

0,1m³/s

Mean precip.

713mm/an

Mean T°

16,5°C

Moisture idx

-0,51

Mean runoff

33mm/an

Mean elev. (basins)

1 533m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

11hab/km²

Night light

13,6nW

Built-up

1 219,2%

Pesticides

25,6kg/km²

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