Sandveld Nature Reserve
IUCN Not ReportedNature Reserve · 1980
311 km²
Commune · ZAF
Lekwa-Teemane
South Africa
BShArid, steppe, hot(73 %)
Species observed
1 124
Observations
24 387
Area
3 681,2km²
Ecological tissue
Sample of 19 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 Lekwa-Teemane : 17 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 15 interactions GloBI sur 3 types (connectance 7.9%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
20
Interactions affichées
15
Connectance
0.079
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
1 124 distinct species · 24 387 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,0°C
Annual rain
498mm
Warmest m°
30,6°C
Coldest m°
3,4°C
Elevation: 1 269 m on average (min 1 146 m, max 1 393 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
18,0°C
Annual rain
498mm
Warmest month
30,6°C
Coldest month
3,4°C
Mean alt.
1 269m
Min
1 146m
Max
1 393m
Std. dev.
41m
Köppen-Geiger (dominant)
BShArid, steppe, hot(73 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,1
Org. C
6,8g/kg
Clay
19,6%
Sand
72,9%
Silt
7,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Dr Ruth Segomotsi Mompati
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,1
Org. C
10,0g/kg
Clay
19,2%
Sand
73,2%
Silt
7,6%
5–15 cm
pH H₂O
7,1
Org. C
5,4g/kg
Clay
17,9%
Sand
74,5%
Silt
7,7%
15–30 cm
pH H₂O
7,2
Org. C
5,1g/kg
Clay
21,9%
Sand
70,9%
Silt
7,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest4.1%
Crops24.3%
Built-up0.1%
Bare soil3.0%
Other (grassland, water…)68.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology17 basins · 19 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
163,9km
Lake surface here
45,08km²
Basins crossed
17
Max stream order
6
Max drainage
112 971km²
Discharge in basins
389,3m³/s
Mean precip.
490mm/an
Mean T°
17,4°C
Moisture idx
-0,70
Mean runoff
29mm/an
Mean elev. (basins)
1 281m
Watersheds crossing here
- Bassin de Vaal Riversub-area2 650 km²overlap1083.49 km²29%
- Basin #16360sub-area838,6 km²overlap508.12 km²14%
- Bassin de Vaal Riversub-area595,2 km²overlap406.08 km²11%
- Basin #16020sub-area749,8 km²overlap364.75 km²10%
- Bassin de Vaal Riversub-area659,7 km²overlap344.12 km²9%
- Bassin de Vaal Riversub-area231,4 km²overlap217.60 km²6%
- Bassin de Bamboesspruitsub-area1 644,4 km²overlap190.90 km²5%
- Bassin de Vaal Riversub-area589,9 km²overlap182.57 km²5%
- Bassin de Harts Riversub-area351,3 km²overlap110.62 km²3%
8 more basinssorted by overlap
- Bassin de Vaal Riversub-area97,8 km²overlap83.07 km²2%
- Bassin de Harts Riversub-area2 383,1 km²overlap60.95 km²2%
- Bassin de Harts Riversub-area720,8 km²overlap41.07 km²1%
- Bassin de Vaal Riversub-area54 km²overlap36.10 km²1%
- Bassin de Vaal Riversub-area108,3 km²overlap34.24 km²1%
- Bassin de Vaal Riversub-area462,8 km²overlap9.15 km²0%
- Bassin de Vaal Riversub-area421,1 km²overlap6.33 km²0%
- Bassin de Vaal Riversub-area5,7 km²overlap2.04 km²0%
Lakes (19, top by area)
- Bloemhofdamarea163,6 km²avg depth7.8 m
- Vaalhartsdamarea4,9 km²avg depth13.6 m
- Lake #83558area1 km²avg depth1.7 m
- Lac 1420434area0,7 km²avg depth2.2 m
- Lac 1420329area0,5 km²avg depth2.9 m
- Lac 1420204area0,4 km²avg depth3.3 m
- Lac 1420152area0,4 km²avg depth3.1 m
- Lac 1420343area0,4 km²avg depth3.0 m
- Lac 1420336area0,3 km²avg depth2.0 m
10 more lakes
- Lac 1420342area0,3 km²avg depth1.9 m
- Lac 1420639area0,3 km²avg depth2.1 m
- Lac 1420366area0,2 km²avg depth1.3 m
- Lac 1420042area0,2 km²avg depth1.8 m
- Lac 1420472area0,2 km²avg depth1.3 m
- Lac 1420420area0,2 km²avg depth3.0 m
- Lac 1420203area0,1 km²avg depth2.4 m
- Lac 1420777area0,1 km²avg depth0.9 m
- Lac 1420465area0,1 km²avg depth1.1 m
- Lac 1420700area0,1 km²avg depth1.5 m
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
14,4%
Pesticides
40,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas9
IUCN Not Reported · 9
Lake Warden Game Reserve
IUCN Not ReportedNature Reserve · 2000
46 km²
Lake Warden Reserve
IUCN Not ReportedNature Reserve · 2000
29 km²
Duine Reserve
IUCN Not ReportedNature Reserve · 2000
27 km²
Koos Meyer Private Nature Reserve
IUCN Not ReportedNature Reserve · 1967
17 km²
Vuurfontein Private Nature Reserve
IUCN Not ReportedNature Reserve · 1961
17 km²
Complete list9 protected areas
- Sandveld Nature ReserveNature ReserveIUCN Not Reported1980311 km²
- Lake Warden Game ReserveNature ReserveIUCN Not Reported200046 km²
- Lake Warden ReserveNature ReserveIUCN Not Reported200029 km²
- Duine ReserveNature ReserveIUCN Not Reported200027 km²
- Koos Meyer Private Nature ReserveNature ReserveIUCN Not Reported196717 km²
- Vuurfontein Private Nature ReserveNature ReserveIUCN Not Reported196117 km²
- Kameeldoring ReserveNature ReserveIUCN Not Reported200110 km²
- Klipfontein Private Nature ReserveNature ReserveIUCN Not Reported19699 km²
- Vaalbosch Private Nature ReserveNature ReserveIUCN Not Reported19695 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN