Ruisseau
Hjælpegrøften
Crosses 1 administrative regions : Læsø
Total length
3km
Max discharge
0,1m³/s
Max Strahler
1
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- LæsøNordjylland · Denmark0.7 kmin this dpt
7 intersecting protected areas
Nordvestlige Kattegat
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Waters around Læsø
IUCN Not ReportedBaltic Sea Protected Area (HELCOM)
Strandenge på Læsø og havet syd herfor
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Læso
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Strandenge på Læsø og havet syd herfor
IUCN Not ReportedMarine Protected Area (OSPAR)
Læsø Kommune private
IUCN Not Assigned§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
Læsø Kommune public
IUCN IV§3 protected habitats (all lakes, bogs, streams, heaths and meadows etc.)
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 637 distinct species · 15 589 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Hjælpegrøften : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 85 interactions GloBI sur 6 types (connectance 12.1%, filtre Serrano α=0.2). 15 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
3km
Max discharge
0,1m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.