Blyderivierspoort Nature Reserve
IUCN Not ReportedNature Reserve · 1965
457 km²
Commune · ZAF
Greater Tubatse
South Africa
BShArid, steppe, hot(60 %)
Species observed
3 393
Observations
58 308
Area
4 602km²
Ecological tissue
Sample of 20 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 Greater Tubatse : 17 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 16 interactions GloBI sur 3 types (connectance 7.6%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
21
Interactions affichées
16
Connectance
0.076
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
3 393 distinct species · 58 308 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,9°C
Annual rain
601mm
Warmest m°
28,0°C
Coldest m°
6,0°C
Elevation: 1 062 m on average (min 527 m, max 1 939 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
18,9°C
Annual rain
601mm
Warmest month
28,0°C
Coldest month
6,0°C
Mean alt.
1 062m
Min
527m
Max
1 939m
Std. dev.
229m
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
6,4
Org. C
15,7g/kg
Clay
28,2%
Sand
52,4%
Silt
19,4%
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
21,3g/kg
Clay
26,8%
Sand
53,3%
Silt
19,9%
5–15 cm
pH H₂O
6,4
Org. C
15,4g/kg
Clay
26,9%
Sand
53,5%
Silt
19,7%
15–30 cm
pH H₂O
6,4
Org. C
10,5g/kg
Clay
31,0%
Sand
50,4%
Silt
18,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest15.3%
Crops8.0%
Built-up1.2%
Bare soil2.2%
Other (grassland, water…)73.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology21 basins · 3 lakes · 12 rivers
Hydrology metrics for this exact territory
Stream length here
594,4km
Lake surface here
1,02km²
Basins crossed
21
Max stream order
6
Max drainage
42 685km²
Discharge in basins
55,5m³/s
Mean precip.
825mm/an
Mean T°
17,8°C
Moisture idx
-0,44
Mean runoff
73mm/an
Mean elev. (basins)
1 140m
Watersheds crossing here
- Bassin de Motsesub-area785,1 km²overlap696.83 km²15%
- Bassin de Steelpoortriviersub-area630 km²overlap628.64 km²14%
- Bassin de Steelpoortriviersub-area693,5 km²overlap610.03 km²13%
- Bassin de Spekboomriviersub-area2 089 km²overlap478.81 km²10%
- Bassin de Olifants Riversub-area534,6 km²overlap367.31 km²8%
- Bassin de Ohrigstadriviersub-area399,3 km²overlap348.37 km²8%
- Bassin de Steelpoortsub-area536 km²overlap307.51 km²7%
- Bassin de Ohrigstadriviersub-area390 km²overlap303.53 km²7%
- Bassin de Steelpoortsub-area338,6 km²overlap249.88 km²5%
12 more basinssorted by overlap
- Bassin de Olifants Riversub-area672,3 km²overlap242.18 km²5%
- Bassin de Kaspersnekriviersub-area170,6 km²overlap95.58 km²2%
- Bassin de Steelpoortsub-area372,1 km²overlap87.04 km²2%
- Bassin de Ohrigstadriviersub-area184,9 km²overlap61.56 km²1%
- Bassin de Olifants Riversub-area1 201,6 km²overlap41.04 km²1%
- Bassin de Steelpoortriviersub-area1 717,1 km²overlap37.41 km²1%
- Bassin de Ohrigstadriviersub-area171,4 km²overlap14.19 km²0%
- Bassin de Olifants Riversub-area662,8 km²overlap11.57 km²0%
- Bassin de Olifants Riversub-area269,5 km²overlap9.48 km²0%
- Bassin de Makhutswisub-area1 137,9 km²overlap8.43 km²0%
- Bassin de Blyde Riversub-area252,2 km²overlap2.54 km²0%
- Bassin de Blyde Riversub-area834,3 km²overlap0.04 km²0%
Lakes (3, top by area)
Rivers / streams (12, ord ≥ 4)
- Steelpoortrivierord 5len here128.18 km57%total226 km
- Olifants Riverord 6len here97.32 km8%total1265 km
- Ohrigstadrivierord 3len here94.19 km90%total104 km
- Steelpoortord 4len here81.59 km47%total173 km
- Spekboomrivierord 4len here74.74 km58%total130 km
- Motseord 3len here36.20 km100%total36 km
- Moopetsiord 3len here31.06 km100%total31 km
- Kaspersnekrivierord 2len here18.24 km60%total31 km
- Mantshibiord 3len here12.44 km100%total12 km
- Watervalrivierord 3len here10.31 km15%total68 km
- Ohrigstad Riverord 3len here7.45 km24%total31 km
- Tswetlaneord 2len here2.72 km100%total3 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,9nW
Built-up
123,8%
Pesticides
41,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas12
IUCN Not Reported · 12
Morgenzon Reserve
IUCN Not ReportedForest Nature Reserve · 2013
50 km²
De Hoop Dam Protected Environment
IUCN Not ReportedProtected Environment · 2019
49 km²
De Hoop Private Nature Reserve
IUCN Not ReportedNature Reserve · 1959
37 km²
Apiesboomen Private Nature Reserve
IUCN Not ReportedNature Reserve · 1962
34 km²
Sonia Schoeman Private Nature Reserve
IUCN Not ReportedNature Reserve · 1969
30 km²
Complete list12 protected areas
- Blyderivierspoort Nature ReserveNature ReserveIUCN Not Reported1965457 km²
- Morgenzon ReserveForest Nature ReserveIUCN Not Reported201350 km²
- De Hoop Dam Protected EnvironmentProtected EnvironmentIUCN Not Reported201949 km²
- De Hoop Private Nature ReserveNature ReserveIUCN Not Reported195937 km²
- Apiesboomen Private Nature ReserveNature ReserveIUCN Not Reported196234 km²
- Sonia Schoeman Private Nature ReserveNature ReserveIUCN Not Reported196930 km²
- Glen Ora Private Nature ReserveNature ReserveIUCN Not Reported196222 km²
- Luiperdhoek Private Nature ReserveNature ReserveIUCN Not Reported196020 km²
- Rietkom Private Nature ReserveNature ReserveIUCN Not Reported196719 km²
- Steelpoort Private Nature ReserveNature ReserveIUCN Not Reported196710 km²
- G. L. Vosloo Private Nature ReserveNature ReserveIUCN Not Reported19699 km²
- De Bad Nature ReserveNature ReserveIUCN Not Reported19960 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN