Ontologia

Commune · ITA

Jerzu

Italy

CsaTemperate, dry summer, hot summer(100 %)

Species observed

219

Observations

722

Area

102,5km²

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 Jerzu : 25 espèces reliées par 78 interactions GloBI sur 4 types (connectance 13.1%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
78
Connectance
0.131
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

219 distinct species · 722 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

722 obs · 2 cellules
Obs. / cellule
≥ 614
614–613
614–613
614–613
< 614

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

Climate

Mean T°

15,4°C

Annual rain

657mm

Warmest m°

29,9°C

Coldest m°

4,6°C

Elevation: 407 m on average (min 32 m, max 826 m)

Bioclimatic detailsExpert
Annual mean temp.
15,4°C
Annual rain
657mm
Warmest month
29,9°C
Coldest month
4,6°C
Mean alt.
407m
Min
32m
Max
826m
Std. dev.
246m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, 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

6,8

Org. C

39,1g/kg

Clay

26,8%

Sand

35,3%

Silt

38,0%

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

Dominant lithology: ssGLiMaggregated to Ogliastra

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
67,3g/kg
Clay
26,1%
Sand
35,5%
Silt
38,4%
5–15 cm
pH H₂O
6,8
Org. C
30,1g/kg
Clay
26,9%
Sand
34,9%
Silt
38,2%
15–30 cm
pH H₂O
6,8
Org. C
20,0g/kg
Clay
27,2%
Sand
35,5%
Silt
37,3%

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

Land cover

Forest34.6%
Crops5.0%
Built-up0.3%
Bare soil2.4%
Other (grassland, water…)57.7%

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

Hydrology2 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

19,2km

Basins crossed

2

Max stream order

2

Max drainage

1 819km²

Discharge in basins

0,3m³/s

Mean precip.

534mm/an

Mean T°

15,0°C

Moisture idx

-0,42

Mean runoff

251mm/an

Mean elev. (basins)

397m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

29,2%

Pesticides

48,1kg/km²

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