Lago di Bolsena, Isole Bisentina e Martana
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 1999
115 km²
Commune · ITA
Marta
Italy
CsaTemperate, dry summer, hot summer(100 %)
Species observed
132
Observations
593
Area
33,7km²
Ecological tissue
Sample of 41 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 Marta : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 112 interactions GloBI sur 3 types (connectance 13.0%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
42
Interactions affichées
112
Connectance
0.130
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
132 distinct species · 593 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
14,0°C
Annual rain
807mm
Warmest m°
29,0°C
Coldest m°
2,1°C
Elevation: 325 m on average (min 288 m, max 365 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
14,0°C
Annual rain
807mm
Warmest month
29,0°C
Coldest month
2,1°C
Mean alt.
325m
Min
288m
Max
365m
Std. dev.
21m
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
7,0
Org. C
23,6g/kg
Clay
26,1%
Sand
29,9%
Silt
44,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Viterbo
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,0
Org. C
34,3g/kg
Clay
25,1%
Sand
30,4%
Silt
44,4%
5–15 cm
pH H₂O
7,0
Org. C
19,0g/kg
Clay
24,8%
Sand
30,5%
Silt
44,6%
15–30 cm
pH H₂O
7,1
Org. C
17,5g/kg
Clay
28,2%
Sand
28,9%
Silt
42,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest13.8%
Crops26.0%
Built-up0.8%
Bare soil1.0%
Other (grassland, water…)58.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 1 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
7,6km
Lake surface here
10,39km²
Basins crossed
1
Max stream order
3
Max drainage
1 082km²
Discharge in basins
0,3m³/s
Mean precip.
701mm/an
Mean T°
14,5°C
Moisture idx
-0,29
Max snow
2%
Mean runoff
316mm/an
Mean elev. (basins)
282m
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
1,3nW
Built-up
82,2%
Pesticides
56,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN Not Reported · 4
Lago di Bolsena
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
115 km²
Fiume Marta (alto corso)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
7 km²
Isole Bisentina e Martana
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN