HydroLAKES lake · #145871
Bjørkvatnet
Surface area
1,84km²
Avg depth
8,5m
Volume
15,74km³
Shoreline
7,6km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- RøyrvikNord-Trøndelag · Norway1.85 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
124 distinct species · 369 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Bjørkvatnet : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 44 interactions GloBI sur 3 types (connectance 9.5%, filtre Serrano α=0.2). 5 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
1,84km²
Avg depth
8,5m
Volume
15,740km³
Watershed
29km²
Shoreline
7,6km
Shore dev. idx
1,57
Residence time
189days
Elevation
498m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.