Castell'Ermo - Peso Grande
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2017
20 km²
Commune · ITA
Arnasco
Italy
CsaTemperate, dry summer, hot summer(78 %)
Species observed
689
Observations
6 108
Area
6,2km²
Ecological tissue
Sample of 38 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 Arnasco : 33 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 70 interactions GloBI sur 4 types (connectance 10.0%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
70
Connectance
0.100
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
689 distinct species · 6 108 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,5°C
Annual rain
840mm
Warmest m°
24,2°C
Coldest m°
3,3°C
Elevation: 319 m on average (min 135 m, max 686 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,5°C
Annual rain
840mm
Warmest month
24,2°C
Coldest month
3,3°C
Mean alt.
319m
Min
135m
Max
686m
Std. dev.
119m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(78 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,5
Org. C
50,3g/kg
Clay
28,1%
Sand
34,6%
Silt
37,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Savona
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,4
Org. C
82,6g/kg
Clay
27,6%
Sand
34,7%
Silt
37,7%
5–15 cm
pH H₂O
6,5
Org. C
42,6g/kg
Clay
26,5%
Sand
35,3%
Silt
38,2%
15–30 cm
pH H₂O
6,5
Org. C
25,8g/kg
Clay
30,1%
Sand
33,9%
Silt
36,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest44.4%
Crops2.3%
Built-up1.0%
Bare soil1.7%
Other (grassland, water…)50.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
0,5km
Basins crossed
1
Max stream order
2
Max drainage
440km²
Discharge in basins
0,1m³/s
Mean precip.
837mm/an
Mean T°
12,1°C
Moisture idx
0,05
Max snow
6%
Mean runoff
591mm/an
Mean elev. (basins)
614m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,3nW
Built-up
98,8%
Pesticides
59,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN