Ontologia

Commune · ZAF

Okhahlamba

South Africa

CwbTemperate, dry winter, warm summer(77 %)

Species observed

5 226

Observations

234 673

Area

3 971km²

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 Okhahlamba : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 23 interactions GloBI sur 3 types (connectance 7.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
23
Connectance
0.077
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

5 226 distinct species · 234 673 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

234 673 obs · 105 cellules
Obs. / cellule
≥ 14 934
7 829–14 933
1 351–7 828
340–1 350
< 340

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

Climate

Mean T°

15,1°C

Annual rain

1 026mm

Warmest m°

25,0°C

Coldest m°

1,7°C

Elevation: 1 418 m on average (min 968 m, max 3 236 m)

Bioclimatic detailsExpert
Annual mean temp.
15,1°C
Annual rain
1 026mm
Warmest month
25,0°C
Coldest month
1,7°C
Mean alt.
1 418m
Min
968m
Max
3 236m
Std. dev.
389m
Köppen-Geiger (dominant)
CwbTemperate, dry winter, warm summer(77 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,8

Org. C

23,3g/kg

Clay

32,8%

Sand

44,5%

Silt

22,7%

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

Dominant lithology: ssGLiMaggregated to Uthukela

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
30,2g/kg
Clay
31,8%
Sand
45,3%
Silt
22,9%
5–15 cm
pH H₂O
5,7
Org. C
22,5g/kg
Clay
31,7%
Sand
45,2%
Silt
23,1%
15–30 cm
pH H₂O
5,8
Org. C
17,1g/kg
Clay
34,8%
Sand
43,0%
Silt
22,2%

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

Land cover

Forest11.2%
Crops26.7%
Built-up0.4%
Bare soil1.6%
Other (grassland, water…)60.2%

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

Hydrology7 basins · 16 lakes · 38 rivers

Hydrology metrics for this exact territory

Stream length here

704,2km

Lake surface here

46,98km²

Basins crossed

7

Max stream order

5

Max drainage

7 704km²

Discharge in basins

10,2m³/s

Mean precip.

904mm/an

Mean T°

16,0°C

Moisture idx

-0,35

Mean runoff

126mm/an

Mean elev. (basins)

1 397m

Watersheds crossing here

Lakes (16, top by area)

7 more lakes

Rivers / streams (38, ord ≥ 4)

26 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

39,2%

Pesticides

19,7kg/km²

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

Protected areas20

IUCN Not Reported · 18IUCN Not Applicable · 1IUCN II · 1
Complete list

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