Ontologia

Commune · ZAF

Merafong City

South Africa

CwbTemperate, dry winter, warm summer(61 %)

Species observed

1 619

Observations

174 752

Area

1 630,5km²

Ecological tissue

Sample of 19 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 Merafong City : 17 espèces reliées par 13 interactions GloBI sur 3 types (connectance 7.6%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
19
Interactions affichées
13
Connectance
0.076
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

1 619 distinct species · 174 752 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

174 752 obs · 43 cellules
Obs. / cellule
≥ 46 800
7 861–46 799
3 084–7 860
1 312–3 083
< 1 312

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

Climate

Mean T°

16,4°C

Annual rain

634mm

Warmest m°

26,1°C

Coldest m°

2,9°C

Elevation: 1 517 m on average (min 1 354 m, max 1 718 m)

Bioclimatic detailsExpert
Annual mean temp.
16,4°C
Annual rain
634mm
Warmest month
26,1°C
Coldest month
2,9°C
Mean alt.
1 517m
Min
1 354m
Max
1 718m
Std. dev.
68m
Köppen-Geiger (dominant)
CwbTemperate, dry winter, warm summer(61 %)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

12,8g/kg

Clay

23,9%

Sand

64,6%

Silt

11,4%

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

Dominant lithology: ssGLiMaggregated to West Rand

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
15,5g/kg
Clay
23,6%
Sand
64,6%
Silt
11,8%
5–15 cm
pH H₂O
6,1
Org. C
10,4g/kg
Clay
22,6%
Sand
65,9%
Silt
11,5%
15–30 cm
pH H₂O
6,1
Org. C
12,5g/kg
Clay
25,5%
Sand
63,5%
Silt
11,0%

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

Land cover

Forest4.7%
Crops27.3%
Built-up0.9%
Bare soil3.0%
Other (grassland, water…)64.0%

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

Hydrology7 basins · 27 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

41,6km

Lake surface here

13,79km²

Basins crossed

7

Max stream order

4

Max drainage

3 965km²

Discharge in basins

1,9m³/s

Mean precip.

659mm/an

Mean T°

16,1°C

Moisture idx

-0,56

Mean runoff

21mm/an

Mean elev. (basins)

1 508m

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

Human pressure

Pop. density

1hab/km²

Night light

1,0nW

Built-up

93,6%

Pesticides

39,3kg/km²

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