Ruisseau
Ölfe
Crosses 2 administrative regions : Hochsauerlandkreis, Waldeck-Frankenberg
Total length
12km
Max discharge
0,3m³/s
Max Strahler
1
Segments matched
1
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- Waldeck-FrankenbergHessen · Germany3.1 kmin this dpt
- HochsauerlandkreisNordrhein-Westfalen · Germany2.6 kmin this dpt
20 intersecting protected areas
Hessisches Rothaargebirge
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vogelschutzgebiet 'Medebacher Bucht'
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Auenverbund Eder
IUCN VLandscape Protection Area
LSG-Medebach
IUCN VLandscape Protection Area
Obere Eder
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Landscape Protection Area
Landscape Protection Area
Landscape Protection Area
Landscape Protection Area
11 more protected areassorted by area
Nature Reserve
Landscape Protection Area
NSG An der Gemeine
IUCN IVNature Reserve
NSG Rueggen
IUCN IVNature Reserve
NSG Lohgraben-Herzgraben
IUCN IVNature Reserve
NSG Olfetal
IUCN IVNature Reserve
NSG Hollenhaus
IUCN IVNature Reserve
NSG Kirchgrund
IUCN IVNature Reserve
NSG Unkenbachtal
IUCN IVNature Reserve
NSG Nordhelle
IUCN IVNature Reserve
NSG Ziegenberg
IUCN IVNature Reserve
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 037 distinct species · 10 918 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 Ölfe : 16 espèces reliées par 33 interactions GloBI sur 4 types (connectance 19.3%, filtre Serrano α=0.2). 3 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
0,3m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.