Vaaldam Nature Reserve
IUCN Not ReportedNature Reserve · 1954
253 km²
Commune · ZAF
Dipaleseng
South Africa
CwbTemperate, dry winter, warm summer(92 %)
Species observed
955
Observations
99 881
Area
2 616,6km²
Ecological tissue
Sample of 22 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 Dipaleseng : 17 espèces reliées par 19 interactions GloBI sur 3 types (connectance 8.2%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
22
Interactions affichées
19
Connectance
0.082
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
955 distinct species · 99 881 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,6°C
Annual rain
654mm
Warmest m°
25,0°C
Coldest m°
2,3°C
Elevation: 1 581 m on average (min 1 483 m, max 1 780 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,6°C
Annual rain
654mm
Warmest month
25,0°C
Coldest month
2,3°C
Mean alt.
1 581m
Min
1 483m
Max
1 780m
Std. dev.
53m
Köppen-Geiger (dominant)
CwbTemperate, dry winter, warm summer(92 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,3
Org. C
13,3g/kg
Clay
27,4%
Sand
59,5%
Silt
13,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Gert Sibande
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,3
Org. C
17,5g/kg
Clay
26,6%
Sand
59,7%
Silt
13,7%
5–15 cm
pH H₂O
6,3
Org. C
12,5g/kg
Clay
26,0%
Sand
60,8%
Silt
13,2%
15–30 cm
pH H₂O
6,4
Org. C
9,8g/kg
Clay
29,5%
Sand
57,9%
Silt
12,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest1.2%
Crops43.4%
Built-up0.2%
Bare soil2.6%
Other (grassland, water…)52.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology10 basins · 20 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
205,0km
Lake surface here
33,91km²
Basins crossed
10
Max stream order
6
Max drainage
20 299km²
Discharge in basins
20,1m³/s
Mean precip.
693mm/an
Mean T°
15,5°C
Moisture idx
-0,53
Mean runoff
21mm/an
Mean elev. (basins)
1 584m
Watersheds crossing here
- Bassin de Vaal Riversub-area1 924,8 km²overlap1013.63 km²39%
- Bassin de Suikerbosrand Riversub-area1 568,5 km²overlap648.35 km²25%
- Bassin de Watervalriversub-area354,2 km²overlap353.57 km²14%
- Bassin de Grootspruitsub-area279,3 km²overlap276.65 km²11%
- Bassin de Vaal Riversub-area1 659,6 km²overlap93.77 km²4%
- Bassin de Watervalriversub-area699,5 km²overlap74.36 km²3%
- Bassin de Watervalriversub-area152 km²overlap60.79 km²2%
- Bassin de Watervalriversub-area56,1 km²overlap55.99 km²2%
- Bassin de Watervalriversub-area100,9 km²overlap39.44 km²2%
1 more basinssorted by overlap
Lakes (20, top by area)
- Vaaldamarea287,8 km²avg depth11.1 m
- Lac 1419672area0,7 km²avg depth2.4 m
- Lac 1419542area0,6 km²avg depth4.7 m
- Lac 1419685area0,5 km²avg depth4.1 m
- Lac 1419856area0,4 km²avg depth1.9 m
- Lac 1419838area0,4 km²avg depth3.4 m
- Lac 1419745area0,3 km²avg depth2.7 m
- Lac 1419791area0,3 km²avg depth3.3 m
- Lac 1419632area0,2 km²avg depth3.1 m
11 more lakes
- Lac 1419675area0,2 km²avg depth3.0 m
- Lac 1419759area0,2 km²avg depth2.9 m
- Lac 1419486area0,2 km²avg depth3.6 m
- Lac 1419633area0,2 km²avg depth3.7 m
- Lac 1419831area0,2 km²avg depth2.1 m
- Lac 1419642area0,2 km²avg depth2.9 m
- Lac 1419770area0,2 km²avg depth2.4 m
- Lac 1419748area0,2 km²avg depth2.3 m
- Lac 1419513area0,1 km²avg depth3.2 m
- Lac 1419762area0,1 km²avg depth2.4 m
- Lac 1419682area0,1 km²avg depth2.5 m
Rivers / streams (7, ord ≥ 4)
- Vaal Riverord 7len here95.31 km4%total2358 km
- Watervalriverord 6len here48.80 km35%total140 km
- Suikerbosrand Riverord 5len here35.41 km19%total191 km
- Grootspruitord 4len here11.90 km22%total54 km
- Blesbokspruitord 4len here5.35 km2%total233 km
- Kuilsord 3len here4.22 km100%total4 km
- Modderfonteinord 2len here3.96 km44%total9 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
17,8%
Pesticides
48,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN Not Reported · 4
S. J. van der Merwe Private Nature Reserve
IUCN Not ReportedNature Reserve · 1972
14 km²
J. N. Van Der Merwe Private Nature Reserve
IUCN Not ReportedNature Reserve · 1955
11 km²
Leeuwfontein Private Nature Reserve
IUCN Not ReportedNature Reserve · 1962
9 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN