Ruisseau· 11 segments
Ryå
Crosses 3 administrative regions : Aalborg, Brønderslev, Jammerbugt
Total length
66km
Max discharge
7,9m³/s
Max Strahler
3
Segments matched
11
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- BrønderslevNordjylland · Denmark36.1 kmin this dpt
- JammerbugtNordjylland · Denmark10.9 kmin this dpt
- AalborgNordjylland · Denmark0.4 kmin this dpt
11 intersecting protected areas
Nibe Bredning, Halkær Ådal og Sønderup Ådal
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Ulvedybet and Nibe Bredning
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Ulvedybet og Nibe Bredning
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Aalborg Kommune private
IUCN Not Assigned§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Jammerbugt Kommune private
IUCN Not Assigned§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Brønderslev Kommune private
IUCN Not Assigned§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Jammerbugt Kommune public
IUCN IV§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Store Vildmose
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Aalborg Kommune public
IUCN IV§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
2 more protected areassorted by area
Store Vildmose
IUCN VProtected by conservation order, excl. Church surroundings
Brønderslev Kommune public
IUCN IV§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
851 distinct species · 9 999 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Ryå : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 91 interactions GloBI sur 5 types (connectance 15.3%, filtre Serrano α=0.2). 13 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
66km
Max discharge
7,9m³/s
Max Strahler
3
Segments matched
11
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.