Ontologia

Commune · ZAF

Bergrivier

South Africa

BShArid, steppe, hot(51 %)

Species observed

4 361

Observations

363 229

Area

4 406km²

Ecological tissue

Sample of 32 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 Bergrivier : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 25 interactions GloBI sur 3 types (connectance 5.0%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
25
Connectance
0.050
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

4 361 distinct species · 363 229 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

363 229 obs · 126 cellules
Obs. / cellule
≥ 69 840
3 406–69 839
1 045–3 405
426–1 044
< 426

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

Climate

Mean T°

17,2°C

Annual rain

522mm

Warmest m°

30,1°C

Coldest m°

6,3°C

Elevation: 206 m on average (min -12 m, max 1 668 m)

Bioclimatic detailsExpert
Annual mean temp.
17,2°C
Annual rain
522mm
Warmest month
30,1°C
Coldest month
6,3°C
Mean alt.
206m
Min
-12m
Max
1 668m
Std. dev.
255m
Köppen-Geiger (dominant)
BShArid, steppe, hot(51 %)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

21,0g/kg

Clay

13,1%

Sand

77,8%

Silt

9,0%

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
6,9
Org. C
30,6g/kg
Clay
12,1%
Sand
78,9%
Silt
9,0%
5–15 cm
pH H₂O
7,0
Org. C
19,2g/kg
Clay
11,8%
Sand
79,1%
Silt
9,1%
15–30 cm
pH H₂O
7,0
Org. C
13,2g/kg
Clay
15,5%
Sand
75,5%
Silt
9,0%

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

Land cover

Forest1.7%
Crops32.1%
Built-up0.1%
Bare soil5.9%
Other (grassland, water…)60.2%

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

Hydrology11 basins · 10 lakes · 36 rivers

Hydrology metrics for this exact territory

Stream length here

663,9km

Lake surface here

4,63km²

Basins crossed

11

Max stream order

5

Max drainage

7 798km²

Discharge in basins

57,2m³/s

Mean precip.

368mm/an

Mean T°

17,2°C

Moisture idx

-0,74

Mean runoff

105mm/an

Mean elev. (basins)

207m

Watersheds crossing here

2 more basins

Lakes (10, top by area)

1 more lakes

Rivers / streams (36, ord ≥ 4)

24 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

13,4%

Pesticides

25,1kg/km²

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

Protected areas10

IUCN Not Reported · 9IUCN Not Applicable · 1🌊 Marine · 2
Complete list

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