Ruisseau· 2 segments
Schäfergraben
Crosses 2 administrative regions : Nienburg (Weser), Region Hannover
Total length
21km
Max discharge
2,2m³/s
Max Strahler
2
Segments matched
2
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- Nienburg (Weser)Niedersachsen · Germany6.6 kmin this dpt
- Region HannoverNiedersachsen · Germany1.2 kmin this dpt
13 intersecting protected areas
Landscape Protection Area
Steinhuder Meer (mit Randbereichen)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Steinhuder Meer
IUCN VWetland of International Importance (Ramsar Site)
Steinhuder Meer
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Meerbachniederung
IUCN VLandscape Protection Area
Rehburger Moor
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Rehburger Moorgeest
IUCN VLandscape Protection Area
Meerbruchswiesen
IUCN IVNature Reserve
Hohenriepen - Hüttenmoor
IUCN VLandscape Protection Area
4 more protected areassorted by area
Rehburger Moor
IUCN IVNature Reserve
Hüttenmoor
IUCN VLandscape Protection Area
Landscape Protection Area
Landscape Protection Area
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
608 distinct species · 882 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Schäfergraben : 24 espèces reliées par 80 interactions GloBI sur 6 types (connectance 13.4%, filtre Serrano α=0.2). 11 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
21km
Max discharge
2,2m³/s
Max Strahler
2
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.