Ontologia

Commune · ITA

Arezzo

Italy

CsaTemperate, dry summer, hot summer(46 %)

Species observed

1 495

Observations

15 218

Area

383,3km²

Ecological tissue

Sample of 46 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 Arezzo : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 90 interactions GloBI sur 5 types (connectance 8.7%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
46
Interactions affichées
90
Connectance
0.087
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

1 495 distinct species · 15 218 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

15 218 obs · 11 cellules
Obs. / cellule
≥ 5 177
3 156–5 176
1 242–3 155
798–1 241
< 798

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

Climate

Mean T°

12,7°C

Annual rain

999mm

Warmest m°

28,0°C

Coldest m°

-0,1°C

Elevation: 421 m on average (min 214 m, max 940 m)

Bioclimatic detailsExpert
Annual mean temp.
12,7°C
Annual rain
999mm
Warmest month
28,0°C
Coldest month
-0,1°C
Mean alt.
421m
Min
214m
Max
940m
Std. dev.
175m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(46 %)Temperate

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

Soil & lithology

pH H₂O

7,2

Org. C

37,0g/kg

Clay

32,0%

Sand

28,8%

Silt

39,2%

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

Dominant lithology: scGLiMaggregated to Arezzo

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,2
Org. C
61,1g/kg
Clay
31,2%
Sand
29,2%
Silt
39,6%
5–15 cm
pH H₂O
7,3
Org. C
26,8g/kg
Clay
30,9%
Sand
28,7%
Silt
40,4%
15–30 cm
pH H₂O
7,3
Org. C
22,9g/kg
Clay
33,8%
Sand
28,5%
Silt
37,7%

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

Land cover

Forest39.9%
Crops18.7%
Built-up1.6%
Bare soil1.2%
Other (grassland, water…)38.7%

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

Hydrology4 basins · 1 lakes · 26 rivers

Hydrology metrics for this exact territory

Stream length here

84,9km

Lake surface here

0,11km²

Basins crossed

4

Max stream order

4

Max drainage

3 554km²

Discharge in basins

5,8m³/s

Mean precip.

811mm/an

Mean T°

12,3°C

Moisture idx

-0,12

Max snow

7%

Mean runoff

412mm/an

Mean elev. (basins)

433m

Rivers / streams (26, ord ≥ 4)

14 more river segments

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

Human pressure

Pop. density

2hab/km²

Night light

3,2nW

Built-up

155,3%

Pesticides

58,0kg/km²

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

Protected areas9

IUCN Not Reported · 7IUCN IV · 1IUCN V · 1

Monte Dogana

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2016

12 km²

Monte Dogana

IUCN Not Reported

Special Protection Area (Birds Directive) · 2004

12 km²

Complete list

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