Fleuve· 2 segments
Weser (Rechter Nebenarm)
Crosses 2 administrative regions : Osterholz, Wesermarsch
Total length
13km
Max discharge
448m³/s
Max Strahler
7
Segments matched
2
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- OsterholzNiedersachsen · Germany1.2 kmin this dpt
- WesermarschNiedersachsen · Germany0.0 kmin this dpt
8 intersecting protected areas
Tideweser
IUCN IVNature Reserve
Unterweser
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Nebenarme der Weser mit Strohauser Plate und Juliusplate
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Unterwesermarsch
IUCN VLandscape Protection Area
Unterwesermarsch
IUCN IVNature Reserve
Mittlere und Untere Hunte (mit Barneführer Holz und Schreensmoor)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Teichfledermaus-Gewässer im Raum Bremerhaven/Bremen
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Untere Hunte
IUCN VLandscape Protection Area
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
693 distinct species · 2 110 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Weser (Rechter Nebenarm) : 34 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 132 interactions GloBI sur 4 types (connectance 14.6%, 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
13km
Max discharge
448,0m³/s
Max Strahler
7
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.