Isole del Nord - Est tra Capo Ceraso e Stagno di San Teodoro
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2009
182 km²
Commune · ITA
Olbia
Italy
CsaTemperate, dry summer, hot summer(100 %)
Species observed
845
Observations
4 333
Area
370km²
Ecological tissue
Sample of 53 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 Olbia : 45 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 104 interactions GloBI sur 5 types (connectance 7.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
54
Interactions affichées
104
Connectance
0.073
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
845 distinct species · 4 333 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
16,3°C
Annual rain
553mm
Warmest m°
28,0°C
Coldest m°
6,8°C
Elevation: 142 m on average (min -20 m, max 649 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
16,3°C
Annual rain
553mm
Warmest month
28,0°C
Coldest month
6,8°C
Mean alt.
142m
Min
-20m
Max
649m
Std. dev.
144m
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
33,2g/kg
Clay
22,6%
Sand
46,7%
Silt
30,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Olbia-Tempio
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,8
Org. C
55,8g/kg
Clay
21,4%
Sand
47,5%
Silt
31,1%
5–15 cm
pH H₂O
6,9
Org. C
24,0g/kg
Clay
21,4%
Sand
47,3%
Silt
31,4%
15–30 cm
pH H₂O
6,9
Org. C
19,9g/kg
Clay
24,9%
Sand
45,3%
Silt
29,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest18.5%
Crops13.1%
Built-up1.8%
Bare soil2.6%
Other (grassland, water…)64.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology5 basins · 1 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
67,4km
Lake surface here
0,11km²
Basins crossed
5
Max stream order
3
Max drainage
2 469km²
Discharge in basins
2,1m³/s
Mean precip.
567mm/an
Mean T°
15,5°C
Moisture idx
-0,36
Max snow
3%
Mean runoff
289mm/an
Mean elev. (basins)
162m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (9, ord ≥ 4)
- Riu di San Giovanniord 3len here17.88 km73%total24 km
- Fiume Padrongianoord 3len here17.08 km100%total17 km
- Riu de su Piriconeord 2len here11.21 km49%total23 km
- Riu De Salighedduord 1len here9.11 km94%total10 km
- Riu Pelasoleord 2len here7.04 km62%total11 km
- Riu Santo Simoneord 3len here3.19 km47%total7 km
- Riu Mannu di Berchiddaord 4len here1.23 km3%total39 km
- Riu san Paoloord 1len here0.60 km29%total2 km
- Riu Sa Pianaord 1len here0.06 km1%total9 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
3,3nW
Built-up
175,3%
Pesticides
11,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 2IUCN IV · 1🌊 Marine · 3
Isole Tavolara, Molara e Molarotto
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2019
160 km²
Area naturale marina protetta Tavolara - Punta Coda Cavallo
IUCN IVNatural Marine Reserve and Natural Protected Marine Areas · 1997
153 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN