Ontologia

Subdivision · ZAF

125

South Africa

CwbTemperate, dry winter, warm summer(100 %)

Species observed

767

Observations

9 273

Area

36km²

Ecological tissue

Sample of 40 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 125 : 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

767 distinct species · 9 273 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 273 obs · 1 cellules
Obs. / cellule
≥ 9 273
9 273–9 272
9 273–9 272
9 273–9 272
< 9 273

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

Climate

Mean T°

15,3°C

Annual rain

719mm

Warmest m°

24,4°C

Coldest m°

2,2°C

Elevation: 1 672 m on average (min 1 522 m, max 1 734 m)

Bioclimatic detailsExpert
Annual mean temp.
15,3°C
Annual rain
719mm
Warmest month
24,4°C
Coldest month
2,2°C
Mean alt.
1 672m
Min
1 522m
Max
1 734m
Std. dev.
62m
Köppen-Geiger (dominant)
CwbTemperate, dry winter, warm summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,0

Org. C

14,7g/kg

Clay

23,2%

Sand

63,7%

Silt

13,0%

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
6,0
Org. C
19,3g/kg
Clay
22,4%
Sand
64,1%
Silt
13,5%
5–15 cm
pH H₂O
6,0
Org. C
13,5g/kg
Clay
22,1%
Sand
64,9%
Silt
13,0%
15–30 cm
pH H₂O
6,0
Org. C
11,4g/kg
Clay
25,1%
Sand
62,2%
Silt
12,6%

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

Land cover

Forest6.1%
Crops8.4%
Built-up9.9%
Bare soil4.0%
Other (grassland, water…)71.5%

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

Hydrology1 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Lake surface here

0,74km²

Basins crossed

1

Max stream order

3

Max drainage

2 261km²

Discharge in basins

0,0m³/s

Mean precip.

709mm/an

Mean T°

15,9°C

Moisture idx

-0,51

Mean runoff

38mm/an

Mean elev. (basins)

1 595m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

13hab/km²

Night light

19,2nW

Built-up

994,4%

Pesticides

13,8kg/km²

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

Protected areas1

IUCN Not Reported · 1

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