Fleuve· 18 segments
Sieg
Crosses 4 administrative regions : Altenkirchen (Westerwald), Bonn, Rhein-Sieg-Kreis, Siegen-Wittgenstein
Total length
156km
Max discharge
2 205,7m³/s
Max Strahler
7
Segments matched
18
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- Rhein-Sieg-KreisNordrhein-Westfalen · Germany26.4 kmin this dpt
- Altenkirchen (Westerwald)Rheinland-Pfalz · Germany24.0 kmin this dpt
- Siegen-WittgensteinNordrhein-Westfalen · Germany9.4 kmin this dpt
- BonnNordrhein-Westfalen · Germany4.8 kmin this dpt
30 intersecting protected areas
Westerwald
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Landscape Protection Area
LSG-Siegen
IUCN VLandscape Protection Area
LSG-Wilnsdorf
IUCN VLandscape Protection Area
Landscape Protection Area
LSG-LP Bornheim
IUCN VLandscape Protection Area
Rothaarkamm und Wiesentäler
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
LSG-Pleiser Huegelland
IUCN VLandscape Protection Area
Landscape Protection Area
21 more protected areassorted by area
Rhein-Fischschutzzonen zwischen Emmerich und Bad Honnef
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Nature Reserve
Landscape Protection Area
Landscape Protection Area
Nistertal und Kroppacher Schweiz
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Sieg
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
LSG-Sieg-/Aggeraue
IUCN VLandscape Protection Area
Brölbach
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Nature Reserve
LSG-Siegtal-Haenge
IUCN VLandscape Protection Area
LSG-Rheinufer
IUCN VLandscape Protection Area
Sieg
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Siegaue und Siegmündung
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
NSG Siegaue <LP Siegmündung>
IUCN IVNature Reserve
Nature Reserve
LSG-Siegaue
IUCN VLandscape Protection Area
NSG Siegaue
IUCN IVNature Reserve
NSG Hanfbach und Zufluesse
IUCN IVNature Reserve
LSG-Siegaue
IUCN VLandscape Protection Area
NSG Siegaue
IUCN IVNature Reserve
Nature Reserve
1 page = 1 named river (aggregation of 18 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 173 distinct species · 4 494 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Sieg : 30 espèces reliées par 92 interactions GloBI sur 5 types (connectance 12.4%, filtre Serrano α=0.2). 9 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
156km
Max discharge
2 205,7m³/s
Max Strahler
7
Segments matched
18
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.