Rivière· 27 segments
Maggia
Crosses 3 administrative regions : Leventina, Locarno, Vallemaggia
Total length
56km
Max discharge
130,3m³/s
Max Strahler
5
Segments matched
27
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- VallemaggiaTicino · Switzerland46.3 kmin this dpt
- LocarnoTicino · Switzerland7.1 kmin this dpt
- LeventinaTicino · Switzerland0.0 kmin this dpt
22 intersecting protected areas
Ancient and Primeval Beech Forests of the Carpathians and Other Regions of Europe
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
Lavizzara e Bignasco
IUCN Not AssignedForest Reserves
Valli Busai e Soladino
IUCN Not AssignedForest Reserves
Valle di Lodano
IUCN Not AssignedForest Reserves
Valle Magia
IUCN Not AssignedEmerald Sites
Maggia
IUCN Not ReportedEmerald Network
Maggia
IUCN IVFederal Inventory of Alluvial Zones of National Importance
Saleggio
IUCN IVFederal Inventory of Alluvial Zones of National Importance
Lanca Saligin
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
13 more protected areassorted by area
Somprei-Lovalt
IUCN IVFederal Inventory of Alluvial Zones of National Importance
Casone
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Piano di Arbigo
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
Delta della Maggia
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
Foce della Maggia
IUCN IVFederal Inventory of Alluvial Zones of National Importance
Da l'Ovi
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Gerre
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Delta della Maggia
IUCN IVFederal Inventory of Fenlands of National Importance
Torbeccio
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Piano di Arbigo 5
IUCN IVFederal Inventory of Fenlands of National Importance
Gropp
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Margonègia
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Piano sopra Visletto
IUCN IaFederal Inventory of Raised and Transitional Mires of National Importance
1 page = 1 named river (aggregation of 27 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 906 distinct species · 11 330 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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).
Indicateurs du tissu écologique
Tissu écologique de Maggia : 29 espèces reliées par 91 interactions GloBI sur 6 types (connectance 12.3%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
56km
Max discharge
130,3m³/s
Max Strahler
5
Segments matched
27
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.