Delta della Maggia
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance · 2001
0 km²
Commune · CHE
Ascona
Switzerland
CfaTemperate, no dry season, hot summer(100 %)
Species observed
6 594
Observations
128 830
Area
4,5km²
Ecological tissue
Sample of 43 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 Ascona : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 88 interactions GloBI sur 5 types (connectance 9.7%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
43
Interactions affichées
88
Connectance
0.098
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
6 594 distinct species · 128 830 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,7°C
Annual rain
1 579mm
Warmest m°
26,7°C
Coldest m°
-2,0°C
Elevation: 258 m on average (min 194 m, max 476 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,7°C
Annual rain
1 579mm
Warmest month
26,7°C
Coldest month
-2,0°C
Mean alt.
258m
Min
194m
Max
476m
Std. dev.
84m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, 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
5,3
Org. C
60,2g/kg
Clay
20,7%
Sand
45,2%
Silt
34,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Locarno
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,2
Org. C
98,3g/kg
Clay
20,0%
Sand
45,2%
Silt
34,9%
5–15 cm
pH H₂O
5,3
Org. C
52,9g/kg
Clay
19,9%
Sand
45,2%
Silt
34,9%
15–30 cm
pH H₂O
5,3
Org. C
29,5g/kg
Clay
22,2%
Sand
45,1%
Silt
32,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest30.9%
Crops7.0%
Built-up6.7%
Bare soil0.5%
Other (grassland, water…)54.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
0,5km
Basins crossed
2
Max stream order
5
Max drainage
3 207km²
Discharge in basins
1,4m³/s
Mean precip.
1 367mm/an
Mean T°
7,1°C
Moisture idx
0,49
Max snow
30%
Mean runoff
1 415mm/an
Mean elev. (basins)
1 070m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
6hab/km²
Night light
9,0nW
Built-up
666,1%
Pesticides
0,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN IV · 5
Foce della Maggia
IUCN IVFederal Inventory of Alluvial Zones of National Importance · 1992
0 km²
Belladrum
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance · 2007
0 km²
Delta della Maggia
IUCN IVFederal Inventory of Fenlands of National Importance · 1994
0 km²
Ex Aeroporto
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance · 2017
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN