Ontologia

Commune · ZAF

Swartland

South Africa

CsaTemperate, dry summer, hot summer(83 %)

Species observed

4 447

Observations

245 998

Area

3 709,6km²

Ecological tissue

Sample of 38 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 Swartland : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 34 interactions GloBI sur 4 types (connectance 4.8%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
34
Connectance
0.048
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

4 447 distinct species · 245 998 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

245 998 obs · 107 cellules
Obs. / cellule
≥ 20 228
6 247–20 227
1 912–6 246
985–1 911
< 985

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

Climate

Mean T°

17,1°C

Annual rain

524mm

Warmest m°

29,6°C

Coldest m°

6,4°C

Elevation: 129 m on average (min -29 m, max 668 m)

Bioclimatic detailsExpert
Annual mean temp.
17,1°C
Annual rain
524mm
Warmest month
29,6°C
Coldest month
6,4°C
Mean alt.
129m
Min
-29m
Max
668m
Std. dev.
76m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(83 %)Temperate

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

Soil & lithology

pH H₂O

6,6

Org. C

23,8g/kg

Clay

12,4%

Sand

79,7%

Silt

7,8%

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

Dominant lithology: ssGLiMaggregated to West Coast

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
34,4g/kg
Clay
9,6%
Sand
82,4%
Silt
7,9%
5–15 cm
pH H₂O
6,6
Org. C
22,2g/kg
Clay
11,5%
Sand
80,6%
Silt
7,9%
15–30 cm
pH H₂O
6,6
Org. C
14,9g/kg
Clay
16,2%
Sand
76,1%
Silt
7,6%

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

Land cover

Forest1.4%
Crops64.8%
Built-up0.3%
Bare soil1.7%
Other (grassland, water…)31.9%

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

Hydrology8 basins · 3 lakes · 15 rivers

Hydrology metrics for this exact territory

Stream length here

328,5km

Lake surface here

1,37km²

Basins crossed

8

Max stream order

4

Max drainage

5 173km²

Discharge in basins

65,7m³/s

Mean precip.

464mm/an

Mean T°

17,3°C

Moisture idx

-0,65

Mean runoff

187mm/an

Mean elev. (basins)

138m

Watersheds crossing here

Lakes (3, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

26,9%

Pesticides

34,7kg/km²

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

Protected areas18

IUCN Not Reported · 18🌊 Marine · 5
Complete list

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