HydroLAKES lake · #149314
Norra Björnsjön
Surface area
2,44km²
Avg depth
6,8m
Volume
16,55km³
Shoreline
11,7km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- ÖrnsköldsvikVästernorrland · Sweden2.45 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
50 distinct species · 139 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Norra Björnsjön : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 34 interactions GloBI sur 3 types (connectance 7.8%, filtre Serrano α=0.2). 3 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
2,44km²
Avg depth
6,8m
Volume
16,550km³
Watershed
24km²
Shoreline
11,7km
Shore dev. idx
2,12
Residence time
661days
Elevation
151m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.