Ontologia

Commune · ZAF

Karoo Hoogland

South Africa

BWkArid, desert, cold(67 %)

Species observed

3 228

Observations

70 717

Area

32 273,9km²

Ecological tissue

Sample of 35 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 Karoo Hoogland : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 39 interactions GloBI sur 4 types (connectance 6.6%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
39
Connectance
0.066
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

3 228 distinct species · 70 717 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

70 717 obs · 702 cellules
Obs. / cellule
≥ 872
258–871
79–257
36–78
< 36

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

16,3°C

Annual rain

219mm

Warmest m°

30,8°C

Coldest m°

2,7°C

Elevation: 1 200 m on average (min 399 m, max 1 802 m)

Bioclimatic detailsExpert
Annual mean temp.
16,3°C
Annual rain
219mm
Warmest month
30,8°C
Coldest month
2,7°C
Mean alt.
1 200m
Min
399m
Max
1 802m
Std. dev.
208m
Köppen-Geiger (dominant)
BWkArid, desert, cold(67 %)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

9,7g/kg

Clay

19,7%

Sand

62,3%

Silt

18,0%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: mtGLiMaggregated to Namakwa

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
9,4g/kg
Clay
17,5%
Sand
64,1%
Silt
18,4%
5–15 cm
pH H₂O
8,0
Org. C
8,5g/kg
Clay
20,5%
Sand
61,7%
Silt
17,8%
15–30 cm
pH H₂O
8,0
Org. C
11,2g/kg
Clay
21,2%
Sand
61,1%
Silt
17,7%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest0.1%
Crops0.1%
Built-up0.0%
Bare soil49.5%
Other (grassland, water…)50.3%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology64 basins · 37 lakes · 53 rivers

Hydrology metrics for this exact territory

Stream length here

1 877,4km

Lake surface here

9,55km²

Basins crossed

64

Max stream order

6

Max drainage

42 033km²

Discharge in basins

35,7m³/s

Mean precip.

195mm/an

Mean T°

15,5°C

Moisture idx

-0,87

Mean runoff

12mm/an

Mean elev. (basins)

1 188m

Watersheds crossing here

55 more basins

Lakes (37, top by area)

28 more lakes

Rivers / streams (53, ord ≥ 4)

41 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,8%

Pesticides

6,1kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas3

IUCN Not Reported · 3

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN