Ruisseau
Lörzbach
Crosses 3 administrative regions : Arlesheim, Haut-Rhin, Lörrach
Total length
6km
Max discharge
0,7m³/s
Max Strahler
1
Segments matched
1
River geography3 admin regions · 11 communes
3 administrative regions crossed (GADM L2)
- Haut-RhinGrand Est · France16.2 kmin this dpt
- ArlesheimBasel-Landschaft · Switzerland0.6 kmin this dpt
- LörrachBaden-Württemberg · Germany0.2 kmin this dpt
11 communes (L5)For countries with L5
- Hégenheim4.41 km
- Rosenau2.71 km
- Hagenthal-le-Bas2.60 km
- Village-Neuf2.47 km
- Hésingue2.01 km
- Saint-Louis1.81 km
- Buschwiller0.14 km
- Wentzwiller0.00 km
- Hagenthal-le-Haut0.00 km
- Leymen0.00 km
- Neuwiller0.00 km
15 intersecting protected areas
Rhin supérieur / Oberrhein
IUCN Not ReportedWetland of International Importance (Ramsar Site)
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)
Markgräfler Rheinebene von Weil bis Neuenburg
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Rheinniederung Haltingen - Neuenburg mit Vorbergzone
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Petite Camargue Alsacienne
IUCN IVNational Nature Reserve
Rheinvorland
IUCN VLandscape Protection Area
Allschwilerwald
IUCN Not AssignedForest Reserves
ausser grund (part edf)
IUCN IVLand acquired by a regional conservatory of natural areas
6 more protected areassorted by area
mittlere au
IUCN IVLand acquired by a regional conservatory of natural areas
jungfrau / rheinzinck
IUCN IVLand acquired by a regional conservatory of natural areas
Totengrien
IUCN IVNature Reserve
obere au 2
IUCN IVLand acquired by a regional conservatory of natural areas
jungfrau / graviere edf
IUCN IVLand acquired by a regional conservatory of natural areas
muehlenbann
IUCN IVLand acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). 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 Lörzbach : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 181 interactions GloBI sur 5 types (connectance 21.0%, 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
6km
Max discharge
0,7m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.