HydroLAKES lake · #156881
Bjørknessjøen
Surface area
3,78km²
Avg depth
11,9m
Volume
45,03km³
Shoreline
15,9km
Administrative coverage
2 dept-equivalent regions (GADM L2)
- NesoddenAkershus · Norway3.15 km²82.9% of lake
- Aurskog-HølandAkershus · Norway0.65 km²17.1% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
470 distinct species · 1 711 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Bjørknessjøen : 15 espèces reliées par 87 interactions GloBI sur 5 types (connectance 18.7%, 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).
Lake statistics (HydroLAKES)
Surface
3,78km²
Avg depth
11,9m
Volume
45,030km³
Watershed
112km²
Shoreline
15,9km
Shore dev. idx
2,31
Residence time
342days
Elevation
199m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.