Ontologia

Commune · ZAF

Drakenstein

South Africa

CsaTemperate, dry summer, hot summer(74 %)

Species observed

4 392

Observations

183 423

Area

1 537,6km²

Ecological tissue

Sample of 40 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 Drakenstein : 30 espèces reliées par 43 interactions GloBI sur 4 types (connectance 5.5%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
43
Connectance
0.055
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

4 392 distinct species · 183 423 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

183 423 obs · 45 cellules
Obs. / cellule
≥ 41 306
7 916–41 305
3 299–7 915
1 610–3 298
< 1 610

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

Climate

Mean T°

16,5°C

Annual rain

1 350mm

Warmest m°

29,4°C

Coldest m°

5,6°C

Elevation: 319 m on average (min 50 m, max 1 767 m)

Bioclimatic detailsExpert
Annual mean temp.
16,5°C
Annual rain
1 350mm
Warmest month
29,4°C
Coldest month
5,6°C
Mean alt.
319m
Min
50m
Max
1 767m
Std. dev.
334m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(74 %)Temperate

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

Soil & lithology

pH H₂O

6,4

Org. C

30,0g/kg

Clay

13,5%

Sand

76,2%

Silt

10,3%

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

Dominant lithology: ssGLiMaggregated to Cape Winelands

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
44,4g/kg
Clay
10,3%
Sand
79,2%
Silt
10,5%
5–15 cm
pH H₂O
6,4
Org. C
28,1g/kg
Clay
13,0%
Sand
76,7%
Silt
10,3%
15–30 cm
pH H₂O
6,4
Org. C
17,5g/kg
Clay
17,0%
Sand
72,9%
Silt
10,1%

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

Land cover

Forest4.3%
Crops34.1%
Built-up1.0%
Bare soil4.2%
Other (grassland, water…)56.4%

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

Hydrology7 basins · 7 lakes · 29 rivers

Hydrology metrics for this exact territory

Stream length here

270,2km

Lake surface here

16,85km²

Basins crossed

7

Max stream order

4

Max drainage

2 292km²

Discharge in basins

23,1m³/s

Mean precip.

727mm/an

Mean T°

16,4°C

Moisture idx

-0,45

Mean runoff

304mm/an

Mean elev. (basins)

336m

Watersheds crossing here

Lakes (7, top by area)

Rivers / streams (29, ord ≥ 4)

17 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

1,4nW

Built-up

97,1%

Pesticides

25,9kg/km²

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

Protected areas16

IUCN Not Reported · 15IUCN Not Applicable · 1🌊 Marine · 2
Complete list

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