Rivière· 31 segments

Bregenzer Ach

Crosses 3 administrative regions : Bludenz, Bodensee, Bregenz

rivière

Total length

71km

Max discharge

27,1m³/s

Max Strahler

Segments matched

River geography3 admin regions · 0 communes

Parent watershed

hybas-20804944901069 km²

3 administrative regions crossed (GADM L2)

Bregenz
Vorarlberg · Austria
66.4 km
in this dpt
Bodensee
Baden-Württemberg · Germany
0.4 km
in this dpt
Bludenz
Vorarlberg · Austria
0.0 km
in this dpt

14 intersecting protected areas

Naturpark Nagelfluhkette
IUCN VI
Biosphere Park
Rheindelta
IUCN IV
Nature Reserve
Rheindelta
IUCN Ia
Wetland of International Importance (Ramsar Site)
Rheindelta
IUCN Not Reported
Special Protection Area (Birds Directive)
Rheindelta
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Kanisfluh
IUCN V
Landscape Protection Area
Bregenzerachschlucht
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Körbersee
IUCN IV
Flora Protection Area
Mehrerauer Seeufer - Bregenzerachmündung
IUCN IV
Nature Reserve

5 more protected areassorted by area

Mehrerauer Seeufer - Bregenzerachmündung
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Unterargenstein
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Langenegg Nord
IUCN III
regional protected areas
Erawäldele
IUCN IV
Protected Landscape Section
Benger-Park
IUCN III
regional protected areas

1 page = 1 named river (aggregation of 31 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 194 distinct species · 3 126 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 34 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

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bregenzer Ach : 25 espèces reliées par 108 interactions GloBI sur 5 types (connectance 18.2%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

108

Connectance

0.181

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)