Ruisseau
Ohbach
Crosses 3 administrative regions : Ahrweiler, Bonn, Rhein-Sieg-Kreis
Total length
6km
Max discharge
0,1m³/s
Max Strahler
1
Segments matched
1
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- Rhein-Sieg-KreisNordrhein-Westfalen · Germany2.7 kmin this dpt
- AhrweilerRheinland-Pfalz · Germany0.1 kmin this dpt
- BonnNordrhein-Westfalen · Germany0.0 kmin this dpt
12 intersecting protected areas
Rhein-Ahr-Eifel
IUCN VLandscape Protection Area
Siebengebirge
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Landscape Protection Area
NSG Siebengebirge <SU>
IUCN IVNature Reserve
Rhein-Fischschutzzonen zwischen Emmerich und Bad Honnef
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Mittelrhein
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Rheinhänge zwischen Unkel und Neuwied
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Landscape Protection Area
LSG-Genienaue
IUCN VLandscape Protection Area
3 more protected areassorted by area
Rodderberg
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
NSG Rodderberg <BN>
IUCN IVNature Reserve
Rodderberg
IUCN IVNature Reserve
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 457 distinct species · 6 344 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Ohbach : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 71 interactions GloBI sur 6 types (connectance 9.1%, 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
6km
Max discharge
0,1m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.