Rivière
Frohnhauser Bach
Crosses 2 administrative regions : Märkischer Kreis, Unna
Total length
4km
Max discharge
21,8m³/s
Max Strahler
4
Segments matched
1
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- UnnaNordrhein-Westfalen · Germany3.4 kmin this dpt
- Märkischer KreisNordrhein-Westfalen · Germany1.6 kmin this dpt
7 intersecting protected areas
LSG-Maerkischer Kreis
IUCN VLandscape Protection Area
LSG-Froendenberg-Ost
IUCN VLandscape Protection Area
LSG-Ruhrtal-Ost
IUCN VLandscape Protection Area
NSG Kiebitzwiese
IUCN IVNature Reserve
Nature Reserve
NSG Auf dem Stein
IUCN IVNature Reserve
NSG Wulmke
IUCN IVNature Reserve
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 126 distinct species · 8 326 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Frohnhauser Bach : 33 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 90 interactions GloBI sur 6 types (connectance 11.0%, 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
4km
Max discharge
21,8m³/s
Max Strahler
4
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.