Blyderivierspoort Nature Reserve
IUCN Not ReportedNature Reserve · 1965
457 km²
Commune · ZAF
Thaba Chweu
South Africa
CwbTemperate, dry winter, warm summer(86 %)
Species observed
7 636
Observations
303 832
Area
5 719,1km²
Ecological tissue
Sample of 17 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 Thaba Chweu : 14 espèces reliées par 13 interactions GloBI sur 3 types (connectance 9.6%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
17
Interactions affichées
13
Connectance
0.096
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
7 636 distinct species · 303 832 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,6°C
Annual rain
946mm
Warmest m°
24,3°C
Coldest m°
3,8°C
Elevation: 1 445 m on average (min 566 m, max 2 225 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,6°C
Annual rain
946mm
Warmest month
24,3°C
Coldest month
3,8°C
Mean alt.
1 445m
Min
566m
Max
2 225m
Std. dev.
307m
Köppen-Geiger (dominant)
CwbTemperate, dry winter, warm summer(86 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,7
Org. C
21,7g/kg
Clay
33,6%
Sand
46,2%
Silt
20,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: vbGLiMaggregated to Ehlanzeni
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,7
Org. C
29,9g/kg
Clay
31,9%
Sand
47,3%
Silt
20,8%
5–15 cm
pH H₂O
5,6
Org. C
21,1g/kg
Clay
32,8%
Sand
46,8%
Silt
20,4%
15–30 cm
pH H₂O
5,6
Org. C
14,3g/kg
Clay
36,1%
Sand
44,4%
Silt
19,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest32.8%
Crops7.7%
Built-up0.2%
Bare soil1.4%
Other (grassland, water…)57.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology20 basins · 9 lakes · 22 rivers
Hydrology metrics for this exact territory
Stream length here
627,9km
Lake surface here
18,26km²
Basins crossed
20
Max stream order
4
Max drainage
52 668km²
Discharge in basins
26,6m³/s
Mean precip.
914mm/an
Mean T°
16,7°C
Moisture idx
-0,35
Mean runoff
108mm/an
Mean elev. (basins)
1 345m
Watersheds crossing here
- Bassin de Spekboomriviersub-area2 089 km²overlap1595.84 km²28%
- Bassin de Crocodile Riversub-area2 360,8 km²overlap823.97 km²14%
- Bassin de Blyde Riversub-area834,3 km²overlap802.45 km²14%
- Bassin de Sabie Riversub-area786,9 km²overlap641.75 km²11%
- Bassin de Umgwenyasub-area1 526,5 km²overlap571.88 km²10%
- Bassin de Maritesub-area467,5 km²overlap275.62 km²5%
- Bassin de Steelpoortsub-area536 km²overlap223.42 km²4%
- Bassin de Steelpoortsub-area372,1 km²overlap212.83 km²4%
- Bassin de Ohrigstadriviersub-area171,4 km²overlap156.89 km²3%
11 more basinssorted by overlap
- Bassin de Ohrigstadriviersub-area184,9 km²overlap122.98 km²2%
- Bassin de Ohrigstadriviersub-area390 km²overlap81.59 km²1%
- Bassin de Kaspersnekriviersub-area170,6 km²overlap74.64 km²1%
- Bassin de Ohrigstadriviersub-area399,3 km²overlap50.05 km²1%
- Bassin de Blyde Riversub-area252,2 km²overlap27.63 km²0%
- Bassin de Sabie Riversub-area713,9 km²overlap20.32 km²0%
- Bassin de Steelpoortriviersub-area1 717,1 km²overlap15.64 km²0%
- Bassin de Sand Riversub-area1 929,9 km²overlap14.90 km²0%
- Bassin de Steelpoortriviersub-area693,5 km²overlap4.17 km²0%
- Bassin de Klaserie Riversub-area2 704,6 km²overlap2.49 km²0%
- Bassin de Sandspruitsub-area364,8 km²overlap0.00 km²0%
Lakes (9, top by area)
- Kwena Damarea12 km²avg depth13.9 m
- Injaka Dam Reservoirarea8,1 km²avg depth15.2 m
- Blyderivierspoortdamarea2,3 km²avg depth24.4 m
- Witklipdamarea1,7 km²avg depth7.8 m
- Lac 1418328area0,8 km²avg depth17.6 m
- Lac 1418348area0,4 km²avg depth12.3 m
- Lac 1418434area0,2 km²avg depth3.4 m
- Lac 1418438area0,2 km²avg depth3.0 m
- Lac 1418341area0,2 km²avg depth5.0 m
Rivers / streams (22, ord ≥ 4)
- Blyde Riverord 4len here129.59 km69%total189 km
- Sabie Riverord 6len here89.82 km21%total426 km
- Watervalrivierord 3len here57.81 km85%total68 km
- Spekboomrivierord 4len here54.63 km42%total130 km
- Nels Riverord 3len here51.13 km74%total70 km
- Dorpsrivierord 3len here36.13 km100%total36 km
- Sterkspruitord 3len here27.62 km100%total28 km
- Ohrigstad Riverord 3len here23.64 km76%total31 km
- Treur Riverord 2len here21.55 km100%total22 km
- Mac Mac Riverord 1len here21.13 km100%total21 km
- Doringbergspruitord 2len here16.49 km100%total17 km
- Umgwenyaord 3len here15.90 km19%total83 km
10 more river segmentssorted by Strahler order + length
- Lunskliprivierord 2len here14.81 km42%total35 km
- Lisbon Riverord 2len here12.87 km100%total13 km
- Kaspersnekrivierord 2len here12.26 km40%total31 km
- Mariteord 3len here10.85 km37%total29 km
- Ohrigstadrivierord 3len here10.11 km10%total104 km
- Crocodile Riverord 4len here9.15 km3%total345 km
- Belverdere Creekord 2len here5.38 km100%total5 km
- Klipgatspruitord 1len here3.98 km100%total4 km
- Sabineord 1len here3.04 km100%total3 km
- Witrivierord 4len here≈ tangenttotal58 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
19,1%
Pesticides
23,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas37
IUCN Not Reported · 37
Mount Anderson Catchment Nature Reserve
IUCN Not ReportedNature Reserve · 1994
127 km²
Sterkspruit Nature Reserve
IUCN Not ReportedNature Reserve · 1981
109 km²
Verloren Valei Nature Reserve
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2001
92 km²
Sterkspruit Mountain Catchment Area
IUCN Not ReportedMountain Catchment Area · 1973
70 km²
Lydenburg Nature Reserve
IUCN Not ReportedNature Reserve · 1954
65 km²
Complete list37 protected areas
- Blyderivierspoort Nature ReserveNature ReserveIUCN Not Reported1965457 km²
- Mount Anderson Catchment Nature ReserveNature ReserveIUCN Not Reported1994127 km²
- Sterkspruit Nature ReserveNature ReserveIUCN Not Reported1981109 km²
- Verloren Valei Nature ReserveWetland of International Importance (Ramsar Site)IUCN Not Reported200192 km²
- Sterkspruit Mountain Catchment AreaMountain Catchment AreaIUCN Not Reported197370 km²
- Lydenburg Nature ReserveNature ReserveIUCN Not Reported195465 km²
- Kudu Private Nature ReserveNature ReserveIUCN Not Reported201361 km²
- Verloren Vallei Nature ReserveNature ReserveIUCN Not Reported199660 km²
- Morgenzon ReserveForest Nature ReserveIUCN Not Reported201350 km²
- Hartbeesvlakte ReserveForest Nature ReserveIUCN Not Reported201344 km²
- Houtenbek Private Nature ReserveNature ReserveIUCN Not Reported196936 km²
- Ohrigstad Dam Nature ReserveNature ReserveIUCN Not Reported195426 km²
- Buffelskloof Private Nature ReserveNature ReserveIUCN Not Reported201222 km²
- Mac Mac ReserveForest Nature ReserveIUCN Not Reported201319 km²
- Mount Sheba Private Nature ReserveNature ReserveIUCN Not Reported196717 km²
- Kleinsuikerboskop Private Nature ReserveNature ReserveIUCN Not Reported196716 km²
- Blyde Forest Nature ReserveForest Nature ReserveIUCN Not Reported202115 km²
- Little Joker-Formosa-Mount Prospect Nature ReserveNature ReserveIUCN Not Reported201313 km²
- De Berg Nature ReserveWetland of International Importance (Ramsar Site)IUCN Not Reported202413 km²
- Davel Private Nature ReserveNature ReserveIUCN Not Reported196513 km²
- Tweefontein ReserveForest Nature ReserveIUCN Not Reported201313 km²
- Santa Nature ReserveNature ReserveIUCN Not Reported202412 km²
- Makobulaan Nature ReserveForest Nature ReserveIUCN Not Reported199210 km²
- G. L. Vosloo Private Nature ReserveNature ReserveIUCN Not Reported19699 km²
- Mndawe Trust Protected EnvironmentProtected EnvironmentIUCN Not Reported20148 km²
- Henra Private Nature ReserveNature ReserveIUCN Not Reported19608 km²
- Long Tom Pass Private Nature ReserveNature ReserveIUCN Not Reported19567 km²
- Little Joker 157 JTNature ReserveIUCN Not Reported19964 km²
- Mt. Prospect 159 JTNature ReserveIUCN Not Reported19964 km²
- Formosa 203 JTNature ReserveIUCN Not Reported19964 km²
- Uitsoek Forest Nature ReserveForest Nature ReserveIUCN Not Reported20214 km²
- Tim Tilden-Davis Nature ReserveNature ReserveIUCN Not Reported20243 km²
- Tobe Private Nature ReserveNature ReserveIUCN Not Reported19693 km²
- J. M. Beetge Private Nature ReserveNature ReserveIUCN Not Reported19562 km²
- Flora Nature ReserveNature ReserveIUCN Not Reported19961 km²
- Lydenburg Fisheries and NurseriesNature ReserveIUCN Not Reported19961 km²
- Vertroosting Nature ReserveNature ReserveIUCN Not Reported19570 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN