Riserva naturale Antiche Citta' di Fregellae e Fabrateria Nova e del Lago di S. Giovanni Incarico
IUCN VRegional/Provincial Nature Reserve · 1997
7 km²
Commune · ITA
Arce
Italy
CsaTemperate, dry summer, hot summer(100 %)
Species observed
147
Observations
495
Area
38,5km²
Ecological tissue
Sample of 33 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 Arce : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 93 interactions GloBI sur 4 types (connectance 15.6%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
93
Connectance
0.156
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
147 distinct species · 495 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
14,8°C
Annual rain
1 025mm
Warmest m°
29,6°C
Coldest m°
1,0°C
Elevation: 165 m on average (min 89 m, max 468 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
14,8°C
Annual rain
1 025mm
Warmest month
29,6°C
Coldest month
1,0°C
Mean alt.
165m
Min
89m
Max
468m
Std. dev.
55m
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
7,4
Org. C
29,7g/kg
Clay
36,9%
Sand
24,5%
Silt
38,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Frosinone
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,4
Org. C
48,5g/kg
Clay
36,5%
Sand
24,6%
Silt
38,9%
5–15 cm
pH H₂O
7,4
Org. C
21,6g/kg
Clay
35,1%
Sand
25,2%
Silt
39,6%
15–30 cm
pH H₂O
7,4
Org. C
18,9g/kg
Clay
39,2%
Sand
23,5%
Silt
37,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest33.2%
Crops17.6%
Built-up1.9%
Bare soil1.2%
Other (grassland, water…)46.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
7,5km
Lake surface here
0,09km²
Basins crossed
2
Max stream order
5
Max drainage
2 368km²
Discharge in basins
17,7m³/s
Mean precip.
987mm/an
Mean T°
12,8°C
Moisture idx
-0,01
Max snow
7%
Mean runoff
542mm/an
Mean elev. (basins)
470m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
2,5nW
Built-up
191,5%
Pesticides
55,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN V · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN