Ruisseau
Katzenlochbach
Crosses 2 administrative regions : Bonn, Rhein-Sieg-Kreis
Total length
12km
Max discharge
0,3m³/s
Max Strahler
1
Segments matched
1
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- BonnNordrhein-Westfalen · Germany7.8 kmin this dpt
- Rhein-Sieg-KreisNordrhein-Westfalen · Germany0.0 kmin this dpt
16 intersecting protected areas
Vogelschutzgebiet Kottenforst-Waldville
IUCN Not ReportedSpecial Protection Area (Birds Directive)
NSG Kottenforst
IUCN IVNature Reserve
Waldreservat Kottenforst
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Rhein-Fischschutzzonen zwischen Emmerich und Bad Honnef
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
LSG-Rheinufer
IUCN VLandscape Protection Area
Siegaue und Siegmündung
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
NSG Siegaue <LP Siegmündung>
IUCN IVNature Reserve
Landscape Protection Area
Landscape Protection Area
7 more protected areassorted by area
Landscape Protection Area
NSG Siegmuendung
IUCN IVNature Reserve
Landscape Protection Area
Landscape Protection Area
NSG Melbtal
IUCN IVNature Reserve
LSG-Lengsdorf Sued
IUCN VLandscape Protection Area
NSG Duene Tannenbusch
IUCN IVNature Reserve
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
4 357 distinct species · 62 631 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Katzenlochbach : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 103 interactions GloBI sur 5 types (connectance 13.9%, filtre Serrano α=0.2). 10 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
12km
Max discharge
0,3m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.