Ontologia

District · AUT

Graz-Umgebung

Austria

DfbCold, no dry season, warm summer(97 %)

Species observed

11 400

Observations

169 487

Area

1 087,3km²

Ecological tissue

Sample of 42 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 Graz-Umgebung : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 148 interactions GloBI sur 6 types (connectance 15.6%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
148
Connectance
0.156
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

11 400 distinct species · 169 487 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

169 487 obs · 28 cellules
Obs. / cellule
≥ 14 952
13 972–14 951
8 429–13 971
4 192–8 428
< 4 192

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

Climate

Mean T°

8,2°C

Annual rain

940mm

Warmest m°

22,9°C

Coldest m°

-7,0°C

Elevation: 603 m on average (min 308 m, max 1 792 m)

Bioclimatic detailsExpert
Annual mean temp.
8,2°C
Annual rain
940mm
Warmest month
22,9°C
Coldest month
-7,0°C
Mean alt.
603m
Min
308m
Max
1 792m
Std. dev.
257m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(97 %)Cold

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

Soil & lithology

pH H₂O

5,6

Org. C

49,4g/kg

Clay

21,7%

Sand

36,1%

Silt

42,2%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
72,4g/kg
Clay
21,7%
Sand
36,1%
Silt
42,2%
5–15 cm
pH H₂O
5,6
Org. C
48,5g/kg
Clay
21,5%
Sand
36,0%
Silt
42,5%
15–30 cm
pH H₂O
5,6
Org. C
27,4g/kg
Clay
22,0%
Sand
36,2%
Silt
41,8%

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

Land cover

Forest58.6%
Crops14.9%
Built-up1.4%
Bare soil0.4%
Other (grassland, water…)24.8%

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

Hydrology8 basins · 1 lakes · 46 rivers

Hydrology metrics for this exact territory

Stream length here

267,6km

Lake surface here

1,08km²

Basins crossed

8

Max stream order

5

Max drainage

11 060km²

Discharge in basins

95,6m³/s

Mean precip.

958mm/an

Mean T°

6,8°C

Moisture idx

0,16

Max snow

32%

Mean runoff

410mm/an

Mean elev. (basins)

661m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (46, ord ≥ 4)

34 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

1,2nW

Built-up

136,6%

Pesticides

15,3kg/km²

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

Protected areas63

IUCN III · 30IUCN IV · 20IUCN V · 8IUCN Not Reported · 5
Complete list

+ 3 protected areas (top 60 shown)

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

Sub-administrations64