Ontologia

Commune · ITA

Bivona

Italy

CsaTemperate, dry summer, hot summer(84 %)

Species observed

291

Observations

521

Area

89,2km²

Ecological tissue

Sample of 34 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 Bivona : 29 espèces reliées par 42 interactions GloBI sur 6 types (connectance 7.1%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
42
Connectance
0.071
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Species present

291 distinct species · 521 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

521 obs · 3 cellules
Obs. / cellule
≥ 356
356–355
356–355
105–355
< 105

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

Climate

Mean T°

15,3°C

Annual rain

686mm

Warmest m°

28,8°C

Coldest m°

3,4°C

Elevation: 513 m on average (min 117 m, max 1 205 m)

Bioclimatic detailsExpert
Annual mean temp.
15,3°C
Annual rain
686mm
Warmest month
28,8°C
Coldest month
3,4°C
Mean alt.
513m
Min
117m
Max
1 205m
Std. dev.
300m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(84 %)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

33,7g/kg

Clay

35,7%

Sand

25,8%

Silt

38,5%

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

Dominant lithology: scGLiMaggregated to Agrigento

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,2
Org. C
52,6g/kg
Clay
34,6%
Sand
25,6%
Silt
39,8%
5–15 cm
pH H₂O
7,2
Org. C
24,4g/kg
Clay
37,9%
Sand
23,5%
Silt
38,6%
15–30 cm
pH H₂O
7,2
Org. C
24,1g/kg
Clay
34,5%
Sand
28,3%
Silt
37,2%

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

Land cover

Forest13.6%
Crops20.0%
Built-up0.4%
Bare soil4.0%
Other (grassland, water…)62.1%

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

Hydrology2 basins · 1 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

18,3km

Lake surface here

0,32km²

Basins crossed

2

Max stream order

2

Max drainage

1 793km²

Discharge in basins

0,1m³/s

Mean precip.

506mm/an

Mean T°

15,9°C

Moisture idx

-0,46

Mean runoff

158mm/an

Mean elev. (basins)

420m

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

Human pressure

Pop. density

0hab/km²

Night light

1,0nW

Built-up

37,5%

Pesticides

58,3kg/km²

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

Protected areas4

IUCN Not Reported · 3IUCN IV · 1

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