Kalahari Oryx Nature Reserve
IUCN Not ReportedNature Reserve · 2025
772 km²
Commune · ZAF
!Kheis
South Africa
BWhArid, desert, hot(100 %)
Species observed
872
Observations
16 600
Area
11 107,4km²
Ecological tissue
Sample of 27 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 !Kheis : 23 espèces reliées par 24 interactions GloBI sur 4 types (connectance 6.8%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
27
Interactions affichées
24
Connectance
0.068
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
872 distinct species · 16 600 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
19,7°C
Annual rain
195mm
Warmest m°
33,9°C
Coldest m°
4,9°C
Elevation: 959 m on average (min 806 m, max 1 184 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
19,7°C
Annual rain
195mm
Warmest month
33,9°C
Coldest month
4,9°C
Mean alt.
959m
Min
806m
Max
1 184m
Std. dev.
59m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
8,0
Org. C
5,3g/kg
Clay
17,9%
Sand
69,1%
Silt
13,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Siyanda
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,9
Org. C
6,2g/kg
Clay
16,7%
Sand
69,9%
Silt
13,4%
5–15 cm
pH H₂O
8,0
Org. C
5,1g/kg
Clay
17,7%
Sand
69,2%
Silt
13,0%
15–30 cm
pH H₂O
8,0
Org. C
4,6g/kg
Clay
19,3%
Sand
68,1%
Silt
12,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest0.4%
Crops0.4%
Built-up0.0%
Bare soil46.3%
Other (grassland, water…)52.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology45 basins · 1 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
264,9km
Lake surface here
0,26km²
Basins crossed
45
Max stream order
7
Max drainage
347 210km²
Discharge in basins
1 318,1m³/s
Mean precip.
208mm/an
Mean T°
19,0°C
Moisture idx
-0,88
Mean runoff
19mm/an
Mean elev. (basins)
958m
Watersheds crossing here
- Bassin de Hartebeesriviersub-area1 570 km²overlap1530.18 km²14%
- Basin #32070sub-area1 068,4 km²overlap986.18 km²9%
- Bassin de Orange Riversub-area1 132,6 km²overlap971.83 km²9%
- Bassin de Orange Riversub-area783,7 km²overlap782.66 km²7%
- Bassin de Hartebeesriviersub-area1 115,8 km²overlap755.95 km²7%
- Bassin de Orange Riversub-area590,6 km²overlap553.18 km²5%
- Bassin de Orange Riversub-area687 km²overlap505.74 km²5%
- Bassin de Hartebeesriviersub-area730,4 km²overlap459.33 km²4%
- Bassin de Orange Riversub-area413 km²overlap407.91 km²4%
36 more basinssorted by overlap
- Bassin de Hartebeesriviersub-area417,5 km²overlap406.16 km²4%
- Basin #35310sub-area634,4 km²overlap345.31 km²3%
- Bassin de Hartebeesriviersub-area336,2 km²overlap335.85 km²3%
- Bassin de Orange Riversub-area1 548,2 km²overlap330.07 km²3%
- Basin #34950sub-area367,9 km²overlap326.51 km²3%
- Basin #61620sub-area315,8 km²overlap289.67 km²3%
- Bassin de Orange Riversub-area691,8 km²overlap263.31 km²2%
- Bassin de Orange Riversub-area264 km²overlap215.06 km²2%
- Bassin de Orange Riversub-area2 416,2 km²overlap211.55 km²2%
- Basin #35290sub-area214,7 km²overlap210.34 km²2%
- Basin #35240sub-area855,6 km²overlap189.95 km²2%
- Bassin de Orange Riversub-area217,3 km²overlap131.99 km²1%
- Bassin de Hartebeesriviersub-area707,7 km²overlap118.05 km²1%
- Bassin de Orange Riversub-area118,5 km²overlap106.86 km²1%
- Bassin de Orange Riversub-area1 099,8 km²overlap99.98 km²1%
- Bassin de Hartebeesriviersub-area1 132,5 km²overlap94.83 km²1%
- Bassin de Hartebeesriviersub-area372,3 km²overlap87.84 km²1%
- Basin #34980sub-area83,7 km²overlap83.64 km²1%
- Bassin de Orange Riversub-area267,6 km²overlap42.14 km²0%
- Basin #35160sub-area501,9 km²overlap40.07 km²0%
- Bassin de Orange Riversub-area888,2 km²overlap37.04 km²0%
- Basin #35170sub-area798 km²overlap32.87 km²0%
- Bassin de Orange Riversub-area155,7 km²overlap31.06 km²0%
- Bassin de Hartebeesriviersub-area99,1 km²overlap30.01 km²0%
- Bassin de Orange Riversub-area468 km²overlap19.04 km²0%
- Bassin de Orange Riversub-area84,4 km²overlap18.34 km²0%
- Bassin de Orange Riversub-area1 186,9 km²overlap15.89 km²0%
- Bassin de Orange Riversub-area738,6 km²overlap10.76 km²0%
- Bassin de Hartebeesriviersub-area60,8 km²overlap10.66 km²0%
- Bassin de Orange Riversub-area791,5 km²overlap7.28 km²0%
- Basin #35210sub-area6,1 km²overlap6.07 km²0%
- Basin #35970sub-area503,8 km²overlap5.55 km²0%
- Basin #37240sub-area111,8 km²overlap0.35 km²0%
- Basin #35920sub-area189,7 km²overlap0.21 km²0%
- Basin #51610sub-area906,6 km²overlap0.15 km²0%
- Bassin de Orange Riversub-area701,9 km²overlap0.00 km²0%
Lakes (1, top by area)
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
2,3%
Pesticides
2,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN