Tsolwana Game Reserve
IUCN Not ReportedNature Reserve · 1987
75 km²
Commune · ZAF
Tsolwana
South Africa
BSkArid, steppe, cold(90 %)
Species observed
1 884
Observations
16 216
Area
6 086,8km²
Ecological tissue
Sample of 25 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 Tsolwana : 19 espèces reliées par 25 interactions GloBI sur 3 types (connectance 8.3%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
25
Interactions affichées
25
Connectance
0.083
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
1 884 distinct species · 16 216 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,1°C
Annual rain
477mm
Warmest m°
28,0°C
Coldest m°
2,2°C
Elevation: 1 357 m on average (min 1 018 m, max 2 155 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,1°C
Annual rain
477mm
Warmest month
28,0°C
Coldest month
2,2°C
Mean alt.
1 357m
Min
1 018m
Max
2 155m
Std. dev.
184m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(90 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,2
Org. C
13,5g/kg
Clay
27,2%
Sand
49,6%
Silt
23,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Chris Hani
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,1
Org. C
17,1g/kg
Clay
24,0%
Sand
51,9%
Silt
24,1%
5–15 cm
pH H₂O
7,2
Org. C
12,9g/kg
Clay
24,8%
Sand
51,4%
Silt
23,9%
15–30 cm
pH H₂O
7,4
Org. C
10,6g/kg
Clay
32,8%
Sand
45,5%
Silt
21,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest5.1%
Crops9.8%
Built-up0.1%
Bare soil7.8%
Other (grassland, water…)77.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology22 basins · 18 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
391,7km
Lake surface here
4,92km²
Basins crossed
22
Max stream order
5
Max drainage
9 566km²
Discharge in basins
5,9m³/s
Mean precip.
486mm/an
Mean T°
14,3°C
Moisture idx
-0,65
Mean runoff
26mm/an
Mean elev. (basins)
1 360m
Watersheds crossing here
- Bassin de Tarka Riversub-area1 879 km²overlap1845.00 km²30%
- Bassin de Vlekpoortriviersub-area1 555,8 km²overlap1315.70 km²22%
- Bassin de Swart Kei Riversub-area1 431,6 km²overlap972.23 km²16%
- Bassin de Great Brak Riversub-area768,7 km²overlap743.53 km²12%
- Bassin de Klaas Smitssub-area2 684,6 km²overlap446.84 km²7%
- Bassin de Hongerskloofriviersub-area716,7 km²overlap260.44 km²4%
- Bassin de Teebus Riversub-area406,5 km²overlap243.17 km²4%
- Bassin de Great Brak Riversub-area270,9 km²overlap153.02 km²3%
- Bassin de Tarka Riversub-area369,1 km²overlap30.19 km²0%
13 more basinssorted by overlap
- Bassin de Great Fish Riversub-area520,3 km²overlap28.96 km²0%
- Bassin de Baviaansriviersub-area812,5 km²overlap10.40 km²0%
- Bassin de Poortriviersub-area157,8 km²overlap7.42 km²0%
- Bassin de Jenkins Spruitsub-area290,6 km²overlap7.17 km²0%
- Bassin de Great Brak Riversub-area1 606,1 km²overlap6.54 km²0%
- Bassin de Great Brak Riversub-area121,5 km²overlap4.70 km²0%
- Bassin de Mankazanasub-area436,5 km²overlap4.17 km²0%
- Bassin de Koonap Riversub-area653,7 km²overlap4.12 km²0%
- Bassin de Little Brak Riversub-area996,6 km²overlap1.16 km²0%
- Bassin de Stormberg Spruitsub-area4 208,4 km²overlap1.06 km²0%
- Bassin de Tarka Riversub-area14,1 km²overlap0.35 km²0%
- Bassin de Klipplaatriviersub-area1 369,9 km²overlap0.34 km²0%
- Bassin de Orange–Fish River Water Tunnelsub-area572,2 km²overlap0.30 km²0%
Lakes (18, top by area)
- Grassridge Damarea6,6 km²avg depth7.5 m
- Kommandodriftdamarea3,8 km²avg depth15.5 m
- Lac 1424227area0,5 km²avg depth5.1 m
- Lac 1423931area0,4 km²avg depth1.9 m
- Lac 1424098area0,4 km²avg depth3.3 m
- Lac 1423718area0,3 km²avg depth2.2 m
- Lac 1423967area0,2 km²avg depth1.9 m
- Lac 1423765area0,2 km²avg depth1.9 m
- Lac 1423736area0,2 km²avg depth2.6 m
9 more lakes
- Lac 1423943area0,2 km²avg depth1.6 m
- Lac 1424034area0,2 km²avg depth2.0 m
- Lac 1424125area0,2 km²avg depth2.8 m
- Lac 1424002area0,2 km²avg depth1.7 m
- Lac 1423746area0,2 km²avg depth1.5 m
- Lac 1423889area0,2 km²avg depth2.0 m
- Lac 1423882area0,2 km²avg depth1.9 m
- Lac 1423820area0,2 km²avg depth1.7 m
- Lac 1423945area0,1 km²avg depth2.6 m
Rivers / streams (9, ord ≥ 4)
- Swart Kei Riverord 5len here108.26 km35%total312 km
- Tarka Riverord 4len here60.25 km33%total184 km
- Riet Riverord 2len here46.09 km100%total46 km
- Hongerskloofrivierord 3len here35.09 km56%total63 km
- Elandsrivierord 3len here33.63 km100%total34 km
- Teebus Riverord 4len here28.34 km43%total66 km
- Vlekpoortrivierord 3len here27.81 km65%total43 km
- Klaas Smitsord 4len here26.45 km19%total141 km
- Great Brak Riverord 5len here25.82 km13%total195 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
7,3%
Pesticides
5,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2
Commandodrift Nature Reserve
IUCN Not ReportedNature Reserve · 1980
57 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN