Ruisseau· 3 segments
Alte Bach
Crosses 1 administrative regions : Haut-Rhin
Total length
39km
Max discharge
0,6m³/s
Max Strahler
2
Segments matched
3
River geography1 admin regions · 8 communes
1 administrative regions crossed (GADM L2)
- Haut-RhinGrand Est · France10.9 kmin this dpt
8 communes (L5)For countries with L5
- Blotzheim5.16 km
- Ranspach-le-Bas2.54 km
- Michelbach-le-Bas1.96 km
- Attenschwiller0.62 km
- Michelbach-le-Haut0.41 km
- Bartenheim0.09 km
- Saint-Louis0.07 km
- Ranspach-le-Haut0.00 km
5 intersecting protected areas
Rhin supérieur / Oberrhein
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Forêt domaniale de la Harth
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallée du Rhin d'Artzenheim à Village-Neuf
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Secteur Alluvial Rhin-Ried-Bruch, Haut-Rhin
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Petite Camargue Alsacienne
IUCN IVNational Nature Reserve
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 484 distinct species · 17 738 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Alte Bach : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 182 interactions GloBI sur 5 types (connectance 21.1%, filtre Serrano α=0.2). 18 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
39km
Max discharge
0,6m³/s
Max Strahler
2
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.