Sandveld Nature Reserve
IUCN Not ReportedNature Reserve · 1980
311 km²
Commune · ZAF
Tswelopele
South Africa
BSkArid, steppe, cold(83 %)
Species observed
1 103
Observations
45 551
Area
6 524,1km²
Ecological tissue
Sample of 24 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 Tswelopele : 22 espèces reliées par 16 interactions GloBI sur 3 types (connectance 5.8%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
24
Interactions affichées
16
Connectance
0.058
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
1 103 distinct species · 45 551 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
17,5°C
Annual rain
536mm
Warmest m°
30,3°C
Coldest m°
2,5°C
Elevation: 1 295 m on average (min 1 214 m, max 1 402 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
17,5°C
Annual rain
536mm
Warmest month
30,3°C
Coldest month
2,5°C
Mean alt.
1 295m
Min
1 214m
Max
1 402m
Std. dev.
39m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(83 %)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
7,7g/kg
Clay
19,9%
Sand
74,1%
Silt
5,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: vbGLiMaggregated to Lejweleputswa
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,0
Org. C
10,8g/kg
Clay
19,6%
Sand
74,4%
Silt
6,0%
5–15 cm
pH H₂O
7,1
Org. C
7,1g/kg
Clay
17,9%
Sand
76,0%
Silt
6,1%
15–30 cm
pH H₂O
7,2
Org. C
5,3g/kg
Clay
22,2%
Sand
72,0%
Silt
5,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest2.5%
Crops54.5%
Built-up0.1%
Bare soil3.8%
Other (grassland, water…)39.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology16 basins · 38 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
232,6km
Lake surface here
106,79km²
Basins crossed
16
Max stream order
6
Max drainage
110 394km²
Discharge in basins
283,7m³/s
Mean precip.
515mm/an
Mean T°
16,9°C
Moisture idx
-0,68
Mean runoff
23mm/an
Mean elev. (basins)
1 295m
Watersheds crossing here
- Bassin de Vet Riversub-area1 470,1 km²overlap1213.75 km²19%
- Bassin de Vet Riversub-area1 010,9 km²overlap1005.63 km²15%
- Basin #17700sub-area998,2 km²overlap996.46 km²15%
- Bassin de Vaal Riversub-area2 650 km²overlap867.00 km²13%
- Basin #60050sub-area1 616 km²overlap597.72 km²9%
- Bassin de Vaal Riversub-area462,8 km²overlap452.89 km²7%
- Bassin de Vaal Riversub-area858,9 km²overlap355.16 km²5%
- Bassin de Moddersub-area1 985 km²overlap234.00 km²4%
- Bassin de Vaal Riversub-area659,7 km²overlap232.10 km²4%
7 more basinssorted by overlap
- Bassin de Vetriviersub-area865,1 km²overlap193.96 km²3%
- Bassin de Vet Riversub-area361,3 km²overlap154.95 km²2%
- Basin #58080sub-area1 149,4 km²overlap140.67 km²2%
- Bassin de Vaal Riversub-area108,3 km²overlap73.93 km²1%
- Bassin de Vaal Riversub-area5,7 km²overlap3.65 km²0%
- Basin #59070sub-area1 499,6 km²overlap2.20 km²0%
- Bassin de Sand Riversub-area510,3 km²overlap0.00 km²0%
Lakes (38, top by area)
- Bloemhofdamarea163,6 km²avg depth7.8 m
- Lake #83638area1,5 km²avg depth3.5 m
- Lake #83670area1,4 km²avg depth2.2 m
- Lake #83651area1,3 km²avg depth3.4 m
- Lake #83672area1,1 km²avg depth2.4 m
- Lake #83684area1 km²avg depth2.7 m
- Lac 1420511area0,8 km²avg depth1.9 m
- Lac 1421132area0,8 km²avg depth3.0 m
- Lac 1420928area0,8 km²avg depth3.5 m
29 more lakes
- Lac 1420870area0,8 km²avg depth3.5 m
- Lac 1421016area0,7 km²avg depth3.1 m
- Lac 1420926area0,6 km²avg depth3.6 m
- Lac 1420907area0,6 km²avg depth3.3 m
- Lac 1421148area0,6 km²avg depth2.8 m
- Lac 1420948area0,5 km²avg depth3.2 m
- Lac 1420974area0,4 km²avg depth2.9 m
- Lac 1420406area0,3 km²avg depth1.6 m
- Lac 1421040area0,3 km²avg depth2.6 m
- Lac 1421191area0,3 km²avg depth1.4 m
- Lac 1421086area0,3 km²avg depth2.8 m
- Lac 1421115area0,3 km²avg depth2.5 m
- Lac 1420323area0,2 km²avg depth1.8 m
- Lac 1421087area0,2 km²avg depth2.6 m
- Lac 1420801area0,2 km²avg depth2.9 m
- Lac 1420359area0,2 km²avg depth2.6 m
- Lac 1420886area0,2 km²avg depth2.9 m
- Lac 1420496area0,2 km²avg depth1.1 m
- Lac 1420463area0,2 km²avg depth1.1 m
- Lac 1420478area0,2 km²avg depth0.8 m
- Lac 1420992area0,2 km²avg depth2.0 m
- Lac 1420810area0,2 km²avg depth2.5 m
- Lac 1421015area0,1 km²avg depth2.2 m
- Lac 1421192area0,1 km²avg depth2.5 m
- Lac 1420960area0,1 km²avg depth2.1 m
- Lac 1420973area0,1 km²avg depth2.0 m
- Lac 1420392area0,1 km²avg depth2.1 m
- Lac 1421032area0,1 km²avg depth2.0 m
- Lac 1421110area0,1 km²avg depth2.4 m
Rivers / streams (5, 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
9,2%
Pesticides
32,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas24
IUCN Not Reported · 24
Lake Warden Game Reserve
IUCN Not ReportedNature Reserve · 2000
46 km²
Hartenbosch Private Nature Reserve
IUCN Not ReportedNature Reserve · 1996
41 km²
Lake Warden Reserve
IUCN Not ReportedNature Reserve · 2000
29 km²
Duine Reserve
IUCN Not ReportedNature Reserve · 2000
27 km²
Tien Prinsloo Game Reserve
IUCN Not ReportedNature Reserve · 1997
23 km²
Complete list24 protected areas
- Sandveld Nature ReserveNature ReserveIUCN Not Reported1980311 km²
- Lake Warden Game ReserveNature ReserveIUCN Not Reported200046 km²
- Hartenbosch Private Nature ReserveNature ReserveIUCN Not Reported199641 km²
- Lake Warden ReserveNature ReserveIUCN Not Reported200029 km²
- Duine ReserveNature ReserveIUCN Not Reported200027 km²
- Tien Prinsloo Game ReserveNature ReserveIUCN Not Reported199723 km²
- Hoffman Private Nature ReserveNature ReserveIUCN Not Reported196823 km²
- Blandfort Game LodgeNature ReserveIUCN Not Reported200017 km²
- Duikerbos Private Nature ReserveNature ReserveIUCN Not Reported199615 km²
- Greylingsdrif Private Nature ReserveNature ReserveIUCN Not Reported199615 km²
- Hoopstad Nature ReserveNature ReserveIUCN Not Reported200114 km²
- Brakfontein ReserveNature ReserveIUCN Not Reported199814 km²
- Shonolanga Private Nature ReserveNature ReserveIUCN Not Reported199612 km²
- Newlands Game ReserveNature ReserveIUCN Not Reported199812 km²
- Kameeldoring ReserveNature ReserveIUCN Not Reported200110 km²
- Jaagbos Private Nature ReserveNature ReserveIUCN Not Reported199710 km²
- Kareeboombult Nature ReserveNature ReserveIUCN Not Reported19989 km²
- Maritha Nature ReserveNature ReserveIUCN Not Reported20018 km²
- Jozina Game ReserveNature ReserveIUCN Not Reported20017 km²
- Winterson Game ReserveNature ReserveIUCN Not Reported20006 km²
- Lelievlei Game ReserveNature ReserveIUCN Not Reported20006 km²
- Hoogerop Private Nature ReserveNature ReserveIUCN Not Reported19976 km²
- Ceerust Game ReserveNature ReserveIUCN Not Reported19985 km²
- Klipfontein ReserveNature ReserveIUCN Not Reported20005 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN