Ruisseau
Kedelsø Å
Crosses 4 administrative regions : Allerød, Egedal, Frederikssund, Hillerød
Total length
2km
Max discharge
0,6m³/s
Max Strahler
1
Segments matched
1
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- FrederikssundHovedstaden · Denmark12.0 kmin this dpt
- AllerødHovedstaden · Denmark3.9 kmin this dpt
- EgedalHovedstaden · Denmark0.0 kmin this dpt
- HillerødHovedstaden · Denmark0.0 kmin this dpt
16 intersecting protected areas
Roskilde Fjord og Jaegerspris Nordskov
IUCN Not ReportedBaltic Sea Protected Area (HELCOM)
Roskilde Fjord
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Roskilde Fjord, Kattinge Vig og Kattinge Sø
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Øvre Mølleådal, Furesø og Frederiksdal Skov
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Frederikssund Kommune private
IUCN Not Assigned§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Egedal Kommune private
IUCN Not Assigned§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Frederikssund Kommune public
IUCN IV§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Jørlunde, Sperrestrup
IUCN VProtected by conservation order, excl. Church surroundings
Allerød Kommune public
IUCN IV§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
7 more protected areassorted by area
Allerød Kommune private
IUCN Not Assigned§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Øer i Roskilde Fjord
IUCN IVProtected by conservation order, excl. Church surroundings
Egedal Kommune public
IUCN IV§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Protected by conservation order, excl. Church surroundings
Langsødal og Kedelsødal
IUCN VProtected by conservation order, excl. Church surroundings
Protected by conservation order, excl. Church surroundings
Kirkeengen, Skidenås
IUCN IVProtected by conservation order, excl. Church surroundings
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 509 distinct species · 19 491 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Kedelsø Å : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 138 interactions GloBI sur 6 types (connectance 19.6%, filtre Serrano α=0.2). 16 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
2km
Max discharge
0,6m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.