Stagno di Holay
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2013
0 km²
Commune · ITA
Pont-Saint-Martin
Italy
DfbCold, no dry season, warm summer(44 %)
Species observed
249
Observations
424
Area
6,8km²
Ecological tissue
Sample of 45 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 Pont-Saint-Martin : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 120 interactions GloBI sur 6 types (connectance 11.6%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
46
Interactions affichées
120
Connectance
0.116
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
249 distinct species · 424 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,2°C
Annual rain
889mm
Warmest m°
23,2°C
Coldest m°
-5,3°C
Elevation: 808 m on average (min 356 m, max 1 592 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,2°C
Annual rain
889mm
Warmest month
23,2°C
Coldest month
-5,3°C
Mean alt.
808m
Min
356m
Max
1 592m
Std. dev.
379m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(44 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,1
Org. C
69,5g/kg
Clay
26,1%
Sand
36,3%
Silt
37,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Aosta
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
111,2g/kg
Clay
24,7%
Sand
37,2%
Silt
38,0%
5–15 cm
pH H₂O
6,1
Org. C
67,2g/kg
Clay
24,7%
Sand
36,8%
Silt
38,5%
15–30 cm
pH H₂O
6,2
Org. C
30,0g/kg
Clay
28,8%
Sand
34,8%
Silt
36,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest58.4%
Crops2.0%
Built-up3.3%
Bare soil0.7%
Other (grassland, water…)35.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
1,7km
Basins crossed
3
Max stream order
5
Max drainage
3 921km²
Discharge in basins
0,5m³/s
Mean precip.
1 416mm/an
Mean T°
3,5°C
Moisture idx
0,53
Max snow
38%
Mean runoff
910mm/an
Mean elev. (basins)
1 787m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
6,9nW
Built-up
328,2%
Pesticides
76,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 1IUCN IV · 1
Riserva naturale Stagno di Holay
IUCN IVRegional/Provincial Nature Reserve · 1993
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN