HydroLAKES lake · #158954
Herefossfjorden
Surface area
4,06km²
Avg depth
20m
Volume
81,31km³
Shoreline
24,1km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- BirkenesAust-Agder · Norway4.08 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
351 distinct species · 659 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 Herefossfjorden : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 96 interactions GloBI sur 6 types (connectance 9.7%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Lake statistics (HydroLAKES)
Surface
4,06km²
Avg depth
20,0m
Volume
81,310km³
Watershed
1 505km²
Shoreline
24,1km
Shore dev. idx
3,37
Residence time
20days
Elevation
81m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.