Ruisseau· 5 segments
Alter Rhein
Crosses 8 administrative regions : Appenzell Ausserrhoden, Bodensee, Bregenz, Dornbirn, Rheintal +2
Total length
20km
Max discharge
2,3m³/s
Max Strahler
2
Segments matched
5
River geography8 admin regions · 0 communes
8 administrative regions crossed (GADM L2)
- BodenseeThurgau · Switzerland5.3 kmin this dpt
- RorschachSankt Gallen · Switzerland3.2 kmin this dpt
- RheintalSankt Gallen · Switzerland2.9 kmin this dpt
- DornbirnVorarlberg · Austria2.9 kmin this dpt
- BodenseeBaden-Württemberg · Germany2.6 kmin this dpt
- BregenzVorarlberg · Austria1.9 kmin this dpt
- WeselNordrhein-Westfalen · Germany1.2 kmin this dpt
- Appenzell AusserrhodenAppenzell Ausserrhoden · Switzerland0.0 kmin this dpt
24 intersecting protected areas
Unterer Niederrhein
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Vogelschutzgebiet 'Unterer Niederrhein'
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Rheindelta
IUCN IVNature Reserve
Rheindelta
IUCN IaWetland of International Importance (Ramsar Site)
Rheindelta
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Rheindelta
IUCN Not ReportedSpecial Protection Area (Birds Directive)
NSG Bislicher Insel
IUCN IVNature Reserve
NSG Bislicher Insel, nur Teilfläche
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Nature Reserve
15 more protected areassorted by area
Landscape Protection Area
Alter Rhein: Thal (SG)
IUCN IVFederal Inventory of Reserves for Waterbirds and Migratory Birds of International and National Imp.
Landscape Protection Area
Gsieg - Obere Mähder
IUCN IVNature Reserve
Gsieg-Obere Mähder
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Landscape Protection Area
NSG Fuerstenberg
IUCN IVNature Reserve
Bodenseeriet, Altenrhein
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
Altenrhein
IUCN IVFederal Inventory of Alluvial Zones of National Importance
Altenrhein
IUCN IVFederal Inventory of Fenlands of National Importance
Fuchsloch-Buriet
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
Bisen
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
Buriet/Buechsee
IUCN IVFederal Inventory of Fenlands of National Importance
Alter Rhein Hohenems
IUCN IVNature Reserve
Kieswerk Sieber Agersten
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 220 distinct species · 4 428 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Alter Rhein : 25 espèces reliées par 116 interactions GloBI sur 6 types (connectance 16.5%, 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
20km
Max discharge
2,3m³/s
Max Strahler
2
Segments matched
5
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.