Ontologia

District Municipality · ZAF

Cacadu

South Africa

BSkArid, steppe, cold(45 %)

Species observed

14 238

Observations

1 251 360

Area

58 207,5km²

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 Cacadu : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 26 interactions GloBI sur 4 types (connectance 5.6%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
26
Connectance
0.056
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

14 238 distinct species · 1 251 360 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 251 360 obs · 33 cellules
Obs. / cellule
≥ 217 820
99 615–217 819
31 675–99 614
14 779–31 674
< 14 779

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

Climate

Mean T°

16,9°C

Annual rain

442mm

Warmest m°

28,4°C

Coldest m°

5,9°C

Elevation: 680 m on average (min -51 m, max 2 190 m)

Bioclimatic detailsExpert
Annual mean temp.
16,9°C
Annual rain
442mm
Warmest month
28,4°C
Coldest month
5,9°C
Mean alt.
680m
Min
-51m
Max
2 190m
Std. dev.
347m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(45 %)Arid

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

Soil & lithology

pH H₂O

7,1

Org. C

18,1g/kg

Clay

23,4%

Sand

56,8%

Silt

19,8%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
25,0g/kg
Clay
20,8%
Sand
58,9%
Silt
20,3%
5–15 cm
pH H₂O
7,0
Org. C
16,8g/kg
Clay
22,6%
Sand
57,4%
Silt
20,0%
15–30 cm
pH H₂O
7,2
Org. C
12,5g/kg
Clay
26,7%
Sand
54,2%
Silt
19,1%

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

Land cover

Forest6.3%
Crops2.9%
Built-up0.1%
Bare soil14.0%
Other (grassland, water…)76.7%

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

Hydrology114 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

6 914,4km

Lake surface here

95,28km²

Basins crossed

114

Max stream order

6

Max drainage

34 805km²

Discharge in basins

342,8m³/s

Mean precip.

442mm/an

Mean T°

16,6°C

Moisture idx

-0,67

Max snow

1%

Mean runoff

38mm/an

Mean elev. (basins)

686m

Watersheds crossing here

105 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

0,0nW

Built-up

7,3%

Pesticides

11,3kg/km²

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

Protected areas77

IUCN Not Reported · 76IUCN Not Applicable · 1🌊 Marine · 14
Complete list

+ 17 protected areas (top 60 shown)

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

Sub-administrations9