Ontologia

Commune · ITA

Bologna

Italy

CfaTemperate, no dry season, hot summer(100 %)

Species observed

2 198

Observations

27 325

Area

142,1km²

Ecological tissue

Sample of 44 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 Bologna : 36 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 127 interactions GloBI sur 6 types (connectance 12.3%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
46
Interactions affichées
127
Connectance
0.123
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

2 198 distinct species · 27 325 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

27 325 obs · 3 cellules
Obs. / cellule
≥ 11 527
11 527–11 526
11 527–11 526
10 715–11 526
< 10 715

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

Climate

Mean T°

14,4°C

Annual rain

694mm

Warmest m°

30,8°C

Coldest m°

0,1°C

Elevation: 81 m on average (min 27 m, max 234 m)

Bioclimatic detailsExpert
Annual mean temp.
14,4°C
Annual rain
694mm
Warmest month
30,8°C
Coldest month
0,1°C
Mean alt.
81m
Min
27m
Max
234m
Std. dev.
63m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)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

29,7g/kg

Clay

38,6%

Sand

14,0%

Silt

47,4%

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

Dominant lithology: scGLiMaggregated to Bologna

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
53,8g/kg
Clay
37,7%
Sand
14,1%
Silt
48,1%
5–15 cm
pH H₂O
7,3
Org. C
18,8g/kg
Clay
39,2%
Sand
13,0%
Silt
47,8%
15–30 cm
pH H₂O
7,2
Org. C
16,5g/kg
Clay
38,8%
Sand
14,9%
Silt
46,3%

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

Land cover

Forest14.2%
Crops22.2%
Built-up8.2%
Bare soil1.4%
Other (grassland, water…)53.9%

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

Hydrology4 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

29,8km

Basins crossed

4

Max stream order

4

Max drainage

2 640km²

Discharge in basins

2,8m³/s

Mean precip.

812mm/an

Mean T°

12,4°C

Moisture idx

-0,08

Max snow

7%

Mean runoff

362mm/an

Mean elev. (basins)

311m

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

Human pressure

Pop. density

17hab/km²

Night light

24,4nW

Built-up

817,6%

Pesticides

66,2kg/km²

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

Protected areas6

IUCN Not Reported · 5IUCN V · 1

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