Ontologia

Commune · ZAF

Great Kei

South Africa

CfaTemperate, no dry season, hot summer(54 %)

Species observed

3 259

Observations

77 492

Area

1 735,5km²

Ecological tissue

Sample of 34 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 Great Kei : 30 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 33 interactions GloBI sur 3 types (connectance 5.9%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
33
Connectance
0.059
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

3 259 distinct species · 77 492 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

77 492 obs · 48 cellules
Obs. / cellule
≥ 20 040
3 080–20 039
1 061–3 079
450–1 060
< 450

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

Climate

Mean T°

18,2°C

Annual rain

798mm

Warmest m°

25,9°C

Coldest m°

9,7°C

Elevation: 351 m on average (min -18 m, max 767 m)

Bioclimatic detailsExpert
Annual mean temp.
18,2°C
Annual rain
798mm
Warmest month
25,9°C
Coldest month
9,7°C
Mean alt.
351m
Min
-18m
Max
767m
Std. dev.
185m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(54 %)Temperate

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

Soil & lithology

pH H₂O

5,9

Org. C

28,5g/kg

Clay

29,4%

Sand

36,8%

Silt

33,8%

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

Dominant lithology: ssGLiMaggregated to Amathole

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
39,0g/kg
Clay
25,6%
Sand
39,6%
Silt
34,8%
5–15 cm
pH H₂O
5,9
Org. C
27,4g/kg
Clay
26,7%
Sand
38,6%
Silt
34,7%
15–30 cm
pH H₂O
5,9
Org. C
18,9g/kg
Clay
35,9%
Sand
32,3%
Silt
31,8%

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

Land cover

Forest39.2%
Crops16.0%
Built-up0.3%
Bare soil0.3%
Other (grassland, water…)44.2%

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

Hydrology9 basins · 0 lakes · 13 rivers

Hydrology metrics for this exact territory

Stream length here

278,5km

Basins crossed

9

Max stream order

6

Max drainage

20 521km²

Discharge in basins

125,0m³/s

Mean precip.

803mm/an

Mean T°

17,8°C

Moisture idx

-0,31

Mean runoff

210mm/an

Mean elev. (basins)

362m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

29,0%

Pesticides

11,1kg/km²

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

Protected areas6

IUCN Not Reported · 6🌊 Marine · 1

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