Ontologia

District Council · AUS

Alexandrina

Australia

CsbTemperate, dry summer, warm summer(66 %)

Species observed

4 657

Observations

415 743

Area

1 827,3km²

Ecological tissue

Sample of 36 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 Alexandrina : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 46 interactions GloBI sur 5 types (connectance 6.9%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
46
Connectance
0.069
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

4 657 distinct species · 415 743 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

415 743 obs · 43 cellules
Obs. / cellule
≥ 53 108
27 256–53 107
10 928–27 255
4 811–10 927
< 4 811

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

Climate

Mean T°

15,2°C

Annual rain

558mm

Warmest m°

25,0°C

Coldest m°

7,6°C

Elevation: 96 m on average (min -17 m, max 386 m)

Bioclimatic detailsExpert
Annual mean temp.
15,2°C
Annual rain
558mm
Warmest month
25,0°C
Coldest month
7,6°C
Mean alt.
96m
Min
-17m
Max
386m
Std. dev.
112m
Köppen-Geiger (dominant)
CsbTemperate, dry summer, warm summer(66 %)Temperate

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

Soil & lithology

pH H₂O

6,8

Org. C

35,2g/kg

Clay

24,2%

Sand

64,1%

Silt

11,6%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,7
Org. C
53,7g/kg
Clay
17,1%
Sand
70,4%
Silt
12,5%
5–15 cm
pH H₂O
6,8
Org. C
30,6g/kg
Clay
23,1%
Sand
65,1%
Silt
11,8%
15–30 cm
pH H₂O
7,0
Org. C
21,4g/kg
Clay
32,5%
Sand
56,9%
Silt
10,6%

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

Land cover

Forest13.6%
Crops23.5%
Built-up0.4%
Bare soil1.1%
Other (grassland, water…)61.3%

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

Hydrology6 basins · 1 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

205,9km

Lake surface here

246,23km²

Basins crossed

6

Max stream order

3

Max drainage

2 202km²

Discharge in basins

4,2m³/s

Mean precip.

601mm/an

Mean T°

15,0°C

Moisture idx

-0,47

Mean runoff

88mm/an

Mean elev. (basins)

164m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

42,5%

Pesticides

33,7kg/km²

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

Protected areas91

IUCN III · 79IUCN IV · 4IUCN VI · 4IUCN II · 2IUCN Not Reported · 1IUCN Ia · 1🌊 Marine · 9

Encounter

IUCN IV

Marine Park · 2009

1 899 km²

Coorong

IUCN II

National Park · 2011

487 km²

Lawari

IUCN III

Conservation Park · 2017

12 km²

Cox Scrub

IUCN III

Conservation Park · 1986

6 km²

Complete list

+ 31 protected areas (top 60 shown)

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