Ruisseau· 3 segments
Rorichumer Tief
Crosses 2 administrative regions : Aurich, Leer
Total length
12km
Max discharge
5,9m³/s
Max Strahler
3
Segments matched
3
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- LeerNiedersachsen · Germany11.3 kmin this dpt
- AurichNiedersachsen · Germany0.0 kmin this dpt
11 intersecting protected areas
Niedersächsisches Wattenmeer
IUCN Not Assignedbiosphere reserve
Niedersächsisches Wattenmeer, Entwicklungszone
IUCN Not Assignedbiosphere reserve - transition area
Unterems und Außenems
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Emsmarsch von Leer bis Emden
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Fehntjer Tief und Umgebung
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Fehntjer Tief
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Unterems
IUCN IVNature Reserve
Nature Reserve
Nature Reserve
2 more protected areassorted by area
Landscape Protection Area
Landscape Protection Area
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
616 distinct species · 1 630 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 Rorichumer Tief : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 134 interactions GloBI sur 6 types (connectance 14.2%, filtre Serrano α=0.2). 15 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
5,9m³/s
Max Strahler
3
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.