Rivière· 3 segments
L'Avançon
Crosses 3 administrative regions : Aigle, Monthey, Saint-Maurice
Total length
12km
Max discharge
161,5m³/s
Max Strahler
5
Segments matched
3
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- AigleVaud · Switzerland3.5 kmin this dpt
- Saint-MauriceValais · Switzerland0.8 kmin this dpt
- MontheyValais · Switzerland0.0 kmin this dpt
8 intersecting protected areas
Canal de la Tuilière
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
Grand Marais
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
L'Orgeolet
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Le Grand Marais
IUCN Not AssignedPrivate Nature Reserves
Vers le Marais
IUCN IVFederal Inventory of Fenlands of National Importance
Genièvre
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
En Genièvre
IUCN Not AssignedPrivate Nature Reserves
A la Combe
IUCN Not AssignedPrivate Nature Reserves
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
4 254 distinct species · 71 697 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 L'Avançon : 17 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 99 interactions GloBI sur 5 types (connectance 22.8%, filtre Serrano α=0.2). 13 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
12km
Max discharge
161,5m³/s
Max Strahler
5
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.