D. J. Dercksen Private Nature Reserve
IUCN Not ReportedNature Reserve · 1962
42 km²
Commune · ZAF
Makhuduthamaga
South Africa
BShArid, steppe, hot(60 %)
Species observed
1 180
Observations
4 373
Area
2 096,6km²
Ecological tissue
Sample of 36 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 Makhuduthamaga : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 34 interactions GloBI sur 4 types (connectance 4.8%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
34
Connectance
0.048
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 180 distinct species · 4 373 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,5°C
Annual rain
589mm
Warmest m°
28,2°C
Coldest m°
4,6°C
Elevation: 1 200 m on average (min 763 m, max 1 814 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
18,5°C
Annual rain
589mm
Warmest month
28,2°C
Coldest month
4,6°C
Mean alt.
1 200m
Min
763m
Max
1 814m
Std. dev.
243m
Köppen-Geiger (dominant)
BShArid, steppe, hot(60 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,5
Org. C
12,5g/kg
Clay
24,5%
Sand
59,7%
Silt
15,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Sekhukhune
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,4
Org. C
16,5g/kg
Clay
22,9%
Sand
60,8%
Silt
16,3%
5–15 cm
pH H₂O
6,5
Org. C
11,6g/kg
Clay
23,0%
Sand
60,9%
Silt
16,1%
15–30 cm
pH H₂O
6,5
Org. C
9,4g/kg
Clay
27,5%
Sand
57,3%
Silt
15,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest6.2%
Crops19.6%
Built-up2.1%
Bare soil3.6%
Other (grassland, water…)68.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology11 basins · 3 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
82,6km
Lake surface here
1,68km²
Basins crossed
11
Max stream order
6
Max drainage
29 448km²
Discharge in basins
24,8m³/s
Mean precip.
695mm/an
Mean T°
18,1°C
Moisture idx
-0,55
Mean runoff
21mm/an
Mean elev. (basins)
1 141m
Watersheds crossing here
- Bassin de Olifants Riversub-area705,9 km²overlap692.78 km²33%
- Bassin de Olifants Riversub-area662,8 km²overlap444.57 km²21%
- Bassin de Olifants Riversub-area736,4 km²overlap423.14 km²20%
- Bassin de Olifants Riversub-area535 km²overlap168.50 km²8%
- Bassin de Olifantssub-area1 137,1 km²overlap158.62 km²8%
- Bassin de Steelpoortriviersub-area693,5 km²overlap77.83 km²4%
- Bassin de Steelpoortsub-area338,6 km²overlap68.20 km²3%
- Bassin de Steelpoortriviersub-area1 717,1 km²overlap41.60 km²2%
- Bassin de Olifants Riversub-area39,8 km²overlap19.09 km²1%
2 more basinssorted by overlap
Lakes (3, top by area)
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,7nW
Built-up
205,9%
Pesticides
22,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 3
De Hoop Private Nature Reserve
IUCN Not ReportedNature Reserve · 1959
37 km²
Bokgobelo Protected Reserve
IUCN Not ReportedProtected Environment · 2019
36 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN