Caledon Nature Reserve
IUCN Not ReportedNature Reserve · 1985
38 km²
Commune · ZAF
Naledi
South Africa
BSkArid, steppe, cold(71 %)
Species observed
800
Observations
24 923
Area
3 424,1km²
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 Naledi : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 13 interactions GloBI sur 3 types (connectance 6.2%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
21
Interactions affichées
13
Connectance
0.062
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
800 distinct species · 24 923 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,5°C
Annual rain
625mm
Warmest m°
28,6°C
Coldest m°
0,8°C
Elevation: 1 511 m on average (min 1 371 m, max 1 831 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,5°C
Annual rain
625mm
Warmest month
28,6°C
Coldest month
0,8°C
Mean alt.
1 511m
Min
1 371m
Max
1 831m
Std. dev.
62m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(71 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,9
Org. C
11,6g/kg
Clay
26,1%
Sand
56,5%
Silt
17,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: vbGLiMaggregated to Xhariep
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,8
Org. C
16,1g/kg
Clay
23,4%
Sand
58,7%
Silt
17,9%
5–15 cm
pH H₂O
6,8
Org. C
10,6g/kg
Clay
22,8%
Sand
59,2%
Silt
17,9%
15–30 cm
pH H₂O
7,0
Org. C
8,0g/kg
Clay
32,2%
Sand
51,6%
Silt
16,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest4.0%
Crops27.7%
Built-up0.1%
Bare soil5.4%
Other (grassland, water…)62.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology14 basins · 34 lakes · 12 rivers
Hydrology metrics for this exact territory
Stream length here
313,3km
Lake surface here
22,87km²
Basins crossed
14
Max stream order
5
Max drainage
18 793km²
Discharge in basins
32,9m³/s
Mean precip.
611mm/an
Mean T°
15,0°C
Moisture idx
-0,58
Mean runoff
19mm/an
Mean elev. (basins)
1 519m
Watersheds crossing here
- Bassin de Onder-Kromspruitsub-area972,4 km²overlap808.53 km²24%
- Bassin de Caledon Riversub-area1 393,3 km²overlap805.91 km²24%
- Bassin de Caledon Riversub-area798,1 km²overlap433.13 km²13%
- Bassin de Witspruitsub-area1 087,5 km²overlap429.03 km²13%
- Bassin de Tierpoortsub-area1 721,2 km²overlap393.66 km²11%
- Bassin de Caledon Riversub-area351,7 km²overlap341.95 km²10%
- Bassin de Kgabanyanesub-area649,9 km²overlap67.02 km²2%
- Bassin de Riet Riversub-area668,1 km²overlap50.78 km²1%
- Bassin de Wilgeboomspruitsub-area571,4 km²overlap32.17 km²1%
5 more basinssorted by overlap
- Bassin de Leeurivier (Phatlaletse) Riversub-area1 443,4 km²overlap28.13 km²1%
- Bassin de Caledon Riversub-area35,4 km²overlap17.04 km²0%
- Bassin de Moddersub-area349,5 km²overlap15.06 km²0%
- Bassin de Caledon Riversub-area1 586,8 km²overlap1.42 km²0%
- Bassin de Caledon Riversub-area1 701,6 km²overlap0.23 km²0%
Lakes (34, top by area)
- Rusfonteindamarea7,6 km²avg depth9.9 m
- Knellpoort Damarea6,2 km²avg depth22.3 m
- Welbedachtdamarea3,5 km²avg depth11.4 m
- Egmont Damarea2,3 km²avg depth5.7 m
- Lac 1422655area0,8 km²avg depth2.3 m
- Lac 1422295area0,7 km²avg depth5.2 m
- Lac 1422493area0,7 km²avg depth3.1 m
- Lac 1422578area0,6 km²avg depth2.5 m
- Lac 1422244area0,4 km²avg depth1.6 m
25 more lakes
- Lac 1422442area0,3 km²avg depth2.6 m
- Lac 1422257area0,3 km²avg depth3.0 m
- Lac 1422557area0,3 km²avg depth3.7 m
- Lac 1422715area0,3 km²avg depth24.7 m
- Lac 1422361area0,3 km²avg depth3.2 m
- Lac 1422597area0,3 km²avg depth5.3 m
- Lac 1422520area0,3 km²avg depth4.1 m
- Lac 1422576area0,2 km²avg depth2.7 m
- Lac 1422228area0,2 km²avg depth2.6 m
- Lac 1422657area0,2 km²avg depth2.5 m
- Lac 1422303area0,2 km²avg depth2.6 m
- Lac 1422536area0,2 km²avg depth3.2 m
- Lac 1422315area0,2 km²avg depth2.8 m
- Lac 1422610area0,2 km²avg depth2.1 m
- Lac 1422320area0,2 km²avg depth2.5 m
- Lac 1422345area0,2 km²avg depth3.4 m
- Lac 1422248area0,2 km²avg depth2.1 m
- Lac 1422418area0,2 km²avg depth2.1 m
- Lac 1422204area0,2 km²avg depth2.3 m
- Lac 1422548area0,1 km²avg depth4.0 m
- Lac 1422508area0,1 km²avg depth2.1 m
- Lac 1422621area0,1 km²avg depth3.3 m
- Lac 1422293area0,1 km²avg depth2.5 m
- Lac 1422349area0,1 km²avg depth2.0 m
- Lac 1422162area0,1 km²avg depth2.6 m
Rivers / streams (12, ord ≥ 4)
- Caledon Riverord 6len here146.35 km18%total831 km
- Witspruitord 3len here45.31 km85%total53 km
- Sandspruit (Monts'oane)ord 3len here24.80 km66%total38 km
- Onder-Kromspruitord 2len here22.44 km100%total22 km
- Kromspruitord 5len here20.32 km29%total71 km
- Bokpoortspruitord 2len here17.98 km100%total18 km
- Blaasbalkspruitord 4len here14.80 km100%total15 km
- Bo-Kromspruitord 2len here12.01 km100%total12 km
- Karreefonteinspruitord 1len here4.47 km100%total4 km
- Leeurivier (Phatlaletse) Riverord 4len here3.56 km8%total45 km
- Tierpoortord 4len here1.22 km1%total139 km
- Klipspruitord 3len here0.01 km0%total166 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
7,9%
Pesticides
16,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN Not Reported · 5
Rustfontein Nature Reserve
IUCN Not ReportedNature Reserve · 1974
18 km²
Mohokare Game Reserve
IUCN Not ReportedNature Reserve · 1998
7 km²
Gruisfontein Private Nature Reserve
IUCN Not ReportedNature Reserve · 1997
6 km²
Meander Game Lodge
IUCN Not ReportedNature Reserve · 2001
5 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN