Rivière· 37 segments
Altmühl
Crosses 4 administrative regions : Ansbach, Eichstätt, Neumarkt in der Oberpfalz, Weißenburg-Gunzenhausen
Total length
216km
Max discharge
20,2m³/s
Max Strahler
4
Segments matched
37
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- EichstättBayern · Germany86.6 kmin this dpt
- Weißenburg-GunzenhausenBayern · Germany31.7 kmin this dpt
- AnsbachBayern · Germany29.7 kmin this dpt
- Neumarkt in der OberpfalzBayern · Germany3.7 kmin this dpt
19 intersecting protected areas
Landscape Protection Area
Landscape Protection Area
Altmühltal mit Brunst-Schwaigau und Altmühlsee
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Felsen und Hangwälder im Altmühl-, Naab-, Laber- und Donautal
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Obere Altmühl mit Brunst-Schwaigau und Wiesmet
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Trauf der südlichen Frankenalb
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Mittleres Altmühltal mit Wellheimer Trockental und Schambachtal
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Felsen und Hangwälder im Altmühltal und Wellheimer Trockental
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Trockenhänge im unteren Altmühltal mit Laaberleiten und Galgental
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
10 more protected areassorted by area
Buchenwälder auf der Albhochfläche
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Nature Reserve
Hutungen am Rother Berg und um Lehrberg
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Arzberg bei Beilngries
IUCN IVNature Reserve
Gungoldinger Wacholderheide
IUCN IVNature Reserve
Trockenhänge bei Dollnstein
IUCN IVNature Reserve
Magerrasen auf der Albhochfläche im Lkr. Eichstätt
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Arnsberger Leite
IUCN IVNature Reserve
Nature Reserve
Mausohrkolonien in der südlichen Frankenalb
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 37 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 181 distinct species · 6 146 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 Altmühl : 17 espèces reliées par 30 interactions GloBI sur 3 types (connectance 10.0%, filtre Serrano α=0.2). 8 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
216km
Max discharge
20,2m³/s
Max Strahler
4
Segments matched
37
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.