HydroLAKES lake · #158293
Bjorvann
Surface area
3,41km²
Avg depth
15,4m
Volume
52,67km³
Shoreline
32,5km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- DrangedalTelemark · Norway3.43 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
536 distinct species · 1 803 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Bjorvann : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 73 interactions GloBI sur 7 types (connectance 8.9%, filtre Serrano α=0.2). 9 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
3,41km²
Avg depth
15,4m
Volume
52,670km³
Watershed
467km²
Shoreline
32,5km
Shore dev. idx
4,96
Residence time
56days
Elevation
81m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.