Ruisseau· 4 segments
Radau
Crosses 3 administrative regions : Celle, Goslar, Heidekreis
Total length
24km
Max discharge
2,3m³/s
Max Strahler
2
Segments matched
4
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- GoslarNiedersachsen · Germany17.2 kmin this dpt
- CelleNiedersachsen · Germany7.0 kmin this dpt
- HeidekreisNiedersachsen · Germany3.2 kmin this dpt
17 intersecting protected areas
Landscape Protection Area
Harz (Landkreis Goslar)
IUCN VLandscape Protection Area
Harz
IUCN IINational Park
Nationalpark Harz (Niedersachsen)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Nationalpark Harz
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Truppenübungsplätze Munster Nord und Süd
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Moor- und Heidegebiete im Truppenübungsplatz Munster-Süd
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Örtze mit Nebenbächen
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Örtze mit Nebenbächen
IUCN VLandscape Protection Area
8 more protected areassorted by area
Harly
IUCN VLandscape Protection Area
Harly, Ecker und Okertal nördlich Vienenburg
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Okertal bei Vienenburg
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Tal der Kleinen Örtze
IUCN IVNature Reserve
Nature Reserve
Östlicher Langenberg
IUCN VLandscape Protection Area
Östlicher Langenberg
IUCN IVNature Reserve
Butterberggelände
IUCN IVNature Reserve
1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
2 004 distinct species · 65 450 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Radau : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 73 interactions GloBI sur 6 types (connectance 11.6%, filtre Serrano α=0.2). 8 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
24km
Max discharge
2,3m³/s
Max Strahler
2
Segments matched
4
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.