Ontologia

Commune · ZAF

Dannhauser

South Africa

CwbTemperate, dry winter, warm summer(93 %)

Species observed

1 072

Observations

13 345

Area

1 515,9km²

Ecological tissue

Sample of 21 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 Dannhauser : 19 espèces reliées par 15 interactions GloBI sur 3 types (connectance 7.1%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
15
Connectance
0.071
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

1 072 distinct species · 13 345 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

13 345 obs · 39 cellules
Obs. / cellule
≥ 2 800
1 026–2 799
341–1 025
114–340
< 114

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

799mm

Warmest m°

26,2°C

Coldest m°

3,5°C

Elevation: 1 312 m on average (min 1 151 m, max 1 939 m)

Bioclimatic detailsExpert
Annual mean temp.
16,5°C
Annual rain
799mm
Warmest month
26,2°C
Coldest month
3,5°C
Mean alt.
1 312m
Min
1 151m
Max
1 939m
Std. dev.
108m
Köppen-Geiger (dominant)
CwbTemperate, dry winter, warm summer(93 %)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

16,9g/kg

Clay

28,1%

Sand

57,1%

Silt

14,8%

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

Dominant lithology: ssGLiMaggregated to Amajuba

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
22,3g/kg
Clay
27,4%
Sand
57,7%
Silt
15,0%
5–15 cm
pH H₂O
5,8
Org. C
16,5g/kg
Clay
27,8%
Sand
57,4%
Silt
14,8%
15–30 cm
pH H₂O
5,8
Org. C
11,8g/kg
Clay
29,2%
Sand
56,2%
Silt
14,6%

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

Land cover

Forest8.3%
Crops33.3%
Built-up0.6%
Bare soil1.8%
Other (grassland, water…)55.9%

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

Hydrology8 basins · 8 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

79,3km

Lake surface here

26,99km²

Basins crossed

8

Max stream order

5

Max drainage

5 706km²

Discharge in basins

16,7m³/s

Mean precip.

778mm/an

Mean T°

16,7°C

Moisture idx

-0,48

Mean runoff

80mm/an

Mean elev. (basins)

1 312m

Watersheds crossing here

Lakes (8, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,3nW

Built-up

60,6%

Pesticides

17,6kg/km²

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

Protected areas6

IUCN Not Reported · 6

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