Ruisseau· 4 segments
Madum Å
Crosses 3 administrative regions : Herning, Holstebro, Ringkøbing-Skjern
Total length
27km
Max discharge
4,8m³/s
Max Strahler
3
Segments matched
4
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- Ringkøbing-SkjernMidtjylland · Denmark22.0 kmin this dpt
- HolstebroMidtjylland · Denmark4.6 kmin this dpt
- HerningMidtjylland · Denmark4.2 kmin this dpt
11 intersecting protected areas
Ringkøbing-Skjern Kommune private
IUCN Not Assigned§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Herning Kommune private
IUCN Not Assigned§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Stadil Fjord og Vest Stadil Fjord
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Wetland of International Importance (Ramsar Site)
Holstebro Kommune private
IUCN Not Assigned§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Stadil Fjord og Vest Stadil Fjord
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Holstebro Kommune public
IUCN IV§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Herning Kommune public
IUCN IV§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
2 more protected areassorted by area
Heder og klitter på Skovbjerg Bakkeø
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Kimmelkær Landkanal
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
900 distinct species · 15 396 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 Madum Å : 12 espèces reliées par 40 interactions GloBI sur 3 types (connectance 21.1%, 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
27km
Max discharge
4,8m³/s
Max Strahler
3
Segments matched
4
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.