Ontologia

Commune · ZAF

City of Tshwane

South Africa

CwbTemperate, dry winter, warm summer(43 %)

Species observed

10 129

Observations

2 212 889

Area

6 297,8km²

Ecological tissue

Sample of 20 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 Tshwane : 19 espèces reliées par 15 interactions GloBI sur 3 types (connectance 7.9%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
15
Connectance
0.079
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

10 129 distinct species · 2 212 889 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 212 889 obs · 154 cellules
Obs. / cellule
≥ 186 315
25 736–186 314
7 818–25 735
3 337–7 817
< 3 337

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

Climate

Mean T°

18,0°C

Annual rain

687mm

Warmest m°

27,3°C

Coldest m°

4,7°C

Elevation: 1 331 m on average (min 949 m, max 1 663 m)

Bioclimatic detailsExpert
Annual mean temp.
18,0°C
Annual rain
687mm
Warmest month
27,3°C
Coldest month
4,7°C
Mean alt.
1 331m
Min
949m
Max
1 663m
Std. dev.
148m
Köppen-Geiger (dominant)
CwbTemperate, dry winter, warm summer(43 %)Temperate

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

Soil & lithology

pH H₂O

6,1

Org. C

13,3g/kg

Clay

21,2%

Sand

66,7%

Silt

12,1%

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

Dominant lithology: ssGLiMaggregated to City of Tshwane

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
16,7g/kg
Clay
20,8%
Sand
66,8%
Silt
12,5%
5–15 cm
pH H₂O
6,1
Org. C
11,1g/kg
Clay
19,7%
Sand
68,1%
Silt
12,2%
15–30 cm
pH H₂O
6,1
Org. C
12,1g/kg
Clay
23,2%
Sand
65,1%
Silt
11,6%

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

Land cover

Forest8.7%
Crops12.3%
Built-up4.0%
Bare soil2.2%
Other (grassland, water…)72.8%

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

Hydrology23 basins · 23 lakes · 31 rivers

Hydrology metrics for this exact territory

Stream length here

852,6km

Lake surface here

20,96km²

Basins crossed

23

Max stream order

5

Max drainage

6 384km²

Discharge in basins

12,4m³/s

Mean precip.

668mm/an

Mean T°

17,5°C

Moisture idx

-0,57

Mean runoff

25mm/an

Mean elev. (basins)

1 316m

Watersheds crossing here

14 more basins

Lakes (23, top by area)

14 more lakes

Rivers / streams (31, ord ≥ 4)

19 more river segments

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

Human pressure

Pop. density

5hab/km²

Night light

3,9nW

Built-up

402,1%

Pesticides

32,8kg/km²

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

Protected areas38

IUCN Not Reported · 38
Complete list

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