Vredefort Dome
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2005
314 km²
Commune · ZAF
Ngwathe
South Africa
CwbTemperate, dry winter, warm summer(57 %)
Species observed
1 718
Observations
91 392
Area
7 055km²
Ecological tissue
Sample of 23 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 Ngwathe : 21 espèces reliées par 18 interactions GloBI sur 3 types (connectance 7.1%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
23
Interactions affichées
18
Connectance
0.071
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
1 718 distinct species · 91 392 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
16,2°C
Annual rain
658mm
Warmest m°
26,7°C
Coldest m°
2,4°C
Elevation: 1 487 m on average (min 1 336 m, max 1 727 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
16,2°C
Annual rain
658mm
Warmest month
26,7°C
Coldest month
2,4°C
Mean alt.
1 487m
Min
1 336m
Max
1 727m
Std. dev.
73m
Köppen-Geiger (dominant)
CwbTemperate, dry winter, warm summer(57 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,6
Org. C
12,0g/kg
Clay
27,2%
Sand
56,6%
Silt
16,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: vbGLiMaggregated to Fezile Dabi
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,6
Org. C
16,2g/kg
Clay
26,0%
Sand
57,5%
Silt
16,5%
5–15 cm
pH H₂O
6,6
Org. C
10,9g/kg
Clay
25,1%
Sand
58,5%
Silt
16,4%
15–30 cm
pH H₂O
6,7
Org. C
8,8g/kg
Clay
30,6%
Sand
53,9%
Silt
15,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest2.1%
Crops42.1%
Built-up0.2%
Bare soil2.8%
Other (grassland, water…)52.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology17 basins · 29 lakes · 18 rivers
Hydrology metrics for this exact territory
Stream length here
740,7km
Lake surface here
19,63km²
Basins crossed
17
Max stream order
6
Max drainage
49 685km²
Discharge in basins
53,1m³/s
Mean precip.
650mm/an
Mean T°
16,0°C
Moisture idx
-0,57
Mean runoff
12mm/an
Mean elev. (basins)
1 488m
Watersheds crossing here
- Bassin de Renoster Riversub-area2 407,8 km²overlap1903.56 km²27%
- Bassin de Vaal Riversub-area2 511,8 km²overlap1293.33 km²18%
- Bassin de Heuningspruitsub-area1 116,8 km²overlap843.03 km²12%
- Bassin de Wilger Riversub-area2 542,4 km²overlap828.20 km²12%
- Bassin de Rietspruitsub-area707,4 km²overlap444.80 km²6%
- Bassin de Doringspruitsub-area409,2 km²overlap408.52 km²6%
- Bassin de Renoster Riversub-area495,5 km²overlap395.49 km²6%
- Bassin de Taaibosspruitsub-area910,7 km²overlap392.65 km²6%
- Bassin de Vals Riversub-area340,8 km²overlap274.22 km²4%
8 more basinssorted by overlap
- Bassin de Vals Riversub-area1 120,2 km²overlap218.30 km²3%
- Bassin de Renostersub-area69,8 km²overlap22.98 km²0%
- Bassin de Vals Riversub-area1 178,5 km²overlap17.59 km²0%
- Bassin de Vals Riversub-area225,7 km²overlap8.38 km²0%
- Bassin de Vaal Riversub-area301,7 km²overlap1.40 km²0%
- Bassin de Renostersub-area660,2 km²overlap1.33 km²0%
- Bassin de Valsriviersub-area1 492,3 km²overlap0.91 km²0%
- Bassin de Renostersub-area755,4 km²overlap0.32 km²0%
Lakes (29, top by area)
- Koppiesdamarea11,1 km²avg depth3.7 m
- Lake #83436area1,7 km²avg depth3.1 m
- Lac 1419976area0,7 km²avg depth2.8 m
- Lac 1419975area0,6 km²avg depth1.4 m
- Lac 1420084area0,5 km²avg depth2.8 m
- Lac 1420017area0,4 km²avg depth3.8 m
- Lac 1420027area0,4 km²avg depth2.5 m
- Lac 1420016area0,4 km²avg depth3.9 m
- Lac 1420062area0,3 km²avg depth2.9 m
20 more lakes
- Lac 1419877area0,3 km²avg depth1.9 m
- Lac 1420216area0,3 km²avg depth2.2 m
- Lac 1420127area0,3 km²avg depth2.3 m
- Lac 1420020area0,3 km²avg depth2.2 m
- Lac 1420019area0,2 km²avg depth2.1 m
- Lac 1420048area0,2 km²avg depth2.6 m
- Lac 1420025area0,2 km²avg depth1.7 m
- Lac 1420064area0,2 km²avg depth1.6 m
- Lac 1419794area0,2 km²avg depth2.1 m
- Lac 1420024area0,2 km²avg depth1.6 m
- Lac 1420097area0,2 km²avg depth1.8 m
- Lac 1420005area0,2 km²avg depth1.7 m
- Lac 1420082area0,1 km²avg depth1.2 m
- Lac 1420063area0,1 km²avg depth2.5 m
- Lac 1420035area0,1 km²avg depth1.2 m
- Lac 1419890area0,1 km²avg depth1.1 m
- Lac 1419896area0,1 km²avg depth2.2 m
- Lac 1420106area0,1 km²avg depth1.9 m
- Lac 1419803area0,1 km²avg depth2.5 m
- Lac 1420037area0,1 km²avg depth1.3 m
Rivers / streams (18, ord ≥ 4)
- Renoster Riverord 4len here187.10 km80%total234 km
- Kromelmboogspruitord 6len here126.94 km97%total130 km
- Heuningspruitord 3len here73.44 km97%total76 km
- Klipord 4len here65.11 km24%total274 km
- Elandspruitord 4len here52.40 km100%total52 km
- Rietspruitord 4len here50.61 km16%total308 km
- Vaal Riverord 7len here27.36 km1%total2358 km
- Skulpspruitord 4len here23.52 km26%total92 km
- Ouwerfspruitord 2len here22.19 km98%total23 km
- Vals Riverord 6len here21.22 km5%total448 km
- Leeufonteinspruitord 4len here19.27 km100%total19 km
- Wolwespruitord 3len here16.61 km30%total56 km
6 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
18,3%
Pesticides
42,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas15
IUCN Not Reported · 14IUCN Not Applicable · 1
Koppies Dam Nature Reserve
IUCN Not ReportedNature Reserve · 1976
47 km²
Leeuwpoort Safaris
IUCN Not ReportedNature Reserve · 1998
15 km²
Goedehoop Nature Reserve
IUCN Not ReportedNature Reserve · 2000
13 km²
Oppieplaas Game Reserve
IUCN Not ReportedNature Reserve · 2000
10 km²
Mizpah Safaris
IUCN Not ReportedNature Reserve · 2000
9 km²
Complete list15 protected areas
- Vredefort DomeWorld Heritage Site (natural or mixed)IUCN Not Applicable2005314 km²
- Koppies Dam Nature ReserveNature ReserveIUCN Not Reported197647 km²
- Leeuwpoort SafarisNature ReserveIUCN Not Reported199815 km²
- Goedehoop Nature ReserveNature ReserveIUCN Not Reported200013 km²
- Oppieplaas Game ReserveNature ReserveIUCN Not Reported200010 km²
- Mizpah SafarisNature ReserveIUCN Not Reported20009 km²
- Nooitgedacht Private Nature ReserveNature ReserveIUCN Not Reported19697 km²
- Blaauwbosch Bank ReserveNature ReserveIUCN Not Reported20016 km²
- Savannah Game RanchNature ReserveIUCN Not Reported19955 km²
- Bronkhorstfontein Game ReserveNature ReserveIUCN Not Reported20004 km²
- Windheuwel Shooting LodgeNature ReserveIUCN Not Reported20013 km²
- Doornkloof Private Nature ReserveNature ReserveIUCN Not Reported19972 km²
- Vechthoek Private Nature ReserveNature ReserveIUCN Not Reported19962 km²
- Klein Paradys Bird SanctuaryNature ReserveIUCN Not Reported19970 km²
- Carry Blaire Bird SanctuaryNature ReserveIUCN Not Reported19960 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN