Ontologia

Commune · ITA

Riola Sardo

Italy

CsaTemperate, dry summer, hot summer(100 %)

Species observed

288

Observations

1 422

Area

43,9km²

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 Riola Sardo : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 51 interactions GloBI sur 5 types (connectance 9.1%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
51
Connectance
0.091
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

288 distinct species · 1 422 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 422 obs · 1 cellules
Obs. / cellule
≥ 1 422
1 422–1 421
1 422–1 421
1 422–1 421
< 1 422

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

Climate

Mean T°

17,0°C

Annual rain

631mm

Warmest m°

27,9°C

Coldest m°

7,9°C

Elevation: 8 m on average (min -2 m, max 35 m)

Bioclimatic detailsExpert
Annual mean temp.
17,0°C
Annual rain
631mm
Warmest month
27,9°C
Coldest month
7,9°C
Mean alt.
8m
Min
-2m
Max
35m
Std. dev.
8m
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

7,1

Org. C

36,3g/kg

Clay

30,1%

Sand

33,1%

Silt

36,8%

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

Dominant lithology: vbGLiMaggregated to Oristano

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
54,4g/kg
Clay
29,8%
Sand
33,2%
Silt
36,9%
5–15 cm
pH H₂O
7,1
Org. C
25,8g/kg
Clay
30,5%
Sand
32,8%
Silt
36,7%
15–30 cm
pH H₂O
7,1
Org. C
28,8g/kg
Clay
30,1%
Sand
33,2%
Silt
36,7%

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

Land cover

Forest11.0%
Crops43.7%
Built-up0.6%
Bare soil3.4%
Other (grassland, water…)41.3%

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

Hydrology2 basins · 3 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

3,9km

Lake surface here

0,33km²

Basins crossed

2

Max stream order

2

Max drainage

429km²

Discharge in basins

0,2m³/s

Mean precip.

664mm/an

Mean T°

15,8°C

Moisture idx

-0,33

Mean runoff

184mm/an

Mean elev. (basins)

188m

Watersheds crossing here

Lakes (3, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,6nW

Built-up

57,9%

Pesticides

53,8kg/km²

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

Protected areas8

IUCN Not Reported · 8🌊 Marine · 5

Stagno di Cabras

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2017

48 km²

Stagno di Cábras

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 1979

36 km²

Stagno di Cabras

IUCN Not Reported

Special Protection Area (Birds Directive) · 2009

36 km²

Complete list

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