Ontologia

Commune · ZAF

Breede Valley

South Africa

BSkArid, steppe, cold(40 %)

Species observed

5 613

Observations

105 675

Area

3 833,4km²

Ecological tissue

Sample of 33 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 Breede Valley : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 33 interactions GloBI sur 4 types (connectance 5.9%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
33
Connectance
0.059
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

5 613 distinct species · 105 675 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

105 675 obs · 111 cellules
Obs. / cellule
≥ 10 378
2 305–10 377
747–2 304
337–746
< 337

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

Climate

Mean T°

15,3°C

Annual rain

462mm

Warmest m°

28,3°C

Coldest m°

4,4°C

Elevation: 727 m on average (min 182 m, max 1 990 m)

Bioclimatic detailsExpert
Annual mean temp.
15,3°C
Annual rain
462mm
Warmest month
28,3°C
Coldest month
4,4°C
Mean alt.
727m
Min
182m
Max
1 990m
Std. dev.
354m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(40 %)Arid

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

Soil & lithology

pH H₂O

7,0

Org. C

24,9g/kg

Clay

15,9%

Sand

69,9%

Silt

14,2%

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
7,0
Org. C
34,6g/kg
Clay
12,8%
Sand
72,8%
Silt
14,5%
5–15 cm
pH H₂O
7,0
Org. C
23,7g/kg
Clay
15,8%
Sand
70,0%
Silt
14,2%
15–30 cm
pH H₂O
7,0
Org. C
16,3g/kg
Clay
19,2%
Sand
67,0%
Silt
13,8%

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

Land cover

Forest2.0%
Crops5.8%
Built-up0.3%
Bare soil18.0%
Other (grassland, water…)73.9%

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

Hydrology9 basins · 10 lakes · 52 rivers

Hydrology metrics for this exact territory

Stream length here

683,6km

Lake surface here

34,60km²

Basins crossed

9

Max stream order

4

Max drainage

5 464km²

Discharge in basins

30,4m³/s

Mean precip.

441mm/an

Mean T°

14,8°C

Moisture idx

-0,66

Mean runoff

136mm/an

Mean elev. (basins)

771m

Watersheds crossing here

Lakes (10, top by area)

1 more lakes

Rivers / streams (52, ord ≥ 4)

40 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

29,2%

Pesticides

9,1kg/km²

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

Protected areas11

IUCN Not Reported · 10IUCN Not Applicable · 1🌊 Marine · 1
Complete list

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