Ruisseau
Griethauser Altrhein
Crosses 2 administrative regions : Kleve, Zevenaar
Total length
9km
Max discharge
2,7m³/s
Max Strahler
2
Segments matched
1
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- KleveNordrhein-Westfalen · Germany10.4 kmin this dpt
- ZevenaarGelderland · Netherlands0.0 kmin this dpt
13 intersecting protected areas
NNN-GE
IUCN Not AssignedNature Reserves owned by professional nature management organizations
Unterer Niederrhein
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Vogelschutzgebiet 'Unterer Niederrhein'
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Rijntakken
IUCN IVNature Conservation Act
Rijntakken
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Rijntakken
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Nature Reserve
LSG Rheinufer
IUCN VLandscape Protection Area
Rhein-Fischschutzzonen zwischen Emmerich und Bad Honnef
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4 more protected areassorted by area
LSG VO Kleve
IUCN VLandscape Protection Area
NSG Salmorth
IUCN IVNature Reserve
NSG Salmorth, nur Teilfläche
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
NSG Kellener Altrhein, nur Teilfläche, mit Erweiterung
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 578 distinct species · 9 882 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 Griethauser Altrhein : 32 espèces reliées par 106 interactions GloBI sur 5 types (connectance 14.3%, filtre Serrano α=0.2). 7 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
9km
Max discharge
2,7m³/s
Max Strahler
2
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.