Ruisseau· 2 segments
Esrum Å
Crosses 2 administrative regions : Gribskov, Helsingør
Total length
10km
Max discharge
0,8m³/s
Max Strahler
2
Segments matched
2
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
12 intersecting protected areas
Gilleleje Flak og Tragten
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Gilleleje Flak og Tragten
IUCN Not ReportedBaltic Sea Protected Area (HELCOM)
Gribskov
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Gribskov
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Gribskov Kommune public
IUCN IV§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Esrum Sø, Esrum Å og Snævret Skov
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Gribskov Kommune private
IUCN Not Assigned§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Helsingør Kommune public
IUCN IV§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Helsingør Kommune private
IUCN Not Assigned§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
3 more protected areassorted by area
Keldsø
IUCN VProtected by conservation order, excl. Church surroundings
Rusland - Pandehave Å
IUCN IVProtected by conservation order, excl. Church surroundings
Rusland
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
3 304 distinct species · 65 802 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Esrum Å : 28 espèces reliées par 96 interactions GloBI sur 5 types (connectance 13.0%, filtre Serrano α=0.2). 11 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
10km
Max discharge
0,8m³/s
Max Strahler
2
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.