Ontologia

Commune · ITA

Allerona

Italy

CsaTemperate, dry summer, hot summer(94 %)

Species observed

185

Observations

1 336

Area

83,3km²

Ecological tissue

Sample of 31 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 Allerona : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 75 interactions GloBI sur 5 types (connectance 15.1%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
75
Connectance
0.151
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

185 distinct species · 1 336 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 336 obs · 2 cellules
Obs. / cellule
≥ 1 185
1 185–1 184
1 185–1 184
1 185–1 184
< 1 185

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

Climate

Mean T°

13,3°C

Annual rain

938mm

Warmest m°

28,5°C

Coldest m°

1,0°C

Elevation: 403 m on average (min 153 m, max 734 m)

Bioclimatic detailsExpert
Annual mean temp.
13,3°C
Annual rain
938mm
Warmest month
28,5°C
Coldest month
1,0°C
Mean alt.
403m
Min
153m
Max
734m
Std. dev.
143m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(94 %)Temperate

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

Soil & lithology

pH H₂O

7,1

Org. C

32,6g/kg

Clay

33,8%

Sand

22,5%

Silt

43,6%

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

Dominant lithology: scGLiMaggregated to Terni

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
56,9g/kg
Clay
33,2%
Sand
23,1%
Silt
43,7%
5–15 cm
pH H₂O
7,1
Org. C
22,2g/kg
Clay
33,9%
Sand
22,4%
Silt
43,7%
15–30 cm
pH H₂O
7,1
Org. C
18,6g/kg
Clay
34,4%
Sand
22,1%
Silt
43,5%

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

Land cover

Forest46.5%
Crops18.3%
Built-up0.2%
Bare soil1.4%
Other (grassland, water…)33.6%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

20,7km

Basins crossed

1

Max stream order

3

Max drainage

1 325km²

Discharge in basins

1,0m³/s

Mean precip.

719mm/an

Mean T°

13,1°C

Moisture idx

-0,23

Max snow

2%

Mean runoff

364mm/an

Mean elev. (basins)

437m

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

19,4%

Pesticides

57,2kg/km²

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

Protected areas6

IUCN Not Reported · 4IUCN V · 2

Monte Rufeno

IUCN Not Reported

Special Protection Area (Birds Directive) · 1996

23 km²

Valle del Fossatello

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2016

5 km²

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