HydroLAKES lake · #154498
Varpen
Surface area
7,72km²
Avg depth
8,1m
Volume
62,69km³
Shoreline
22,5km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- BollnäsGävleborg · Sweden7.76 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
731 distinct species · 3 042 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Varpen : 18 espèces reliées par 75 interactions GloBI sur 4 types (connectance 18.5%, filtre Serrano α=0.2). 11 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
7,72km²
Avg depth
8,1m
Volume
62,690km³
Watershed
19 175km²
Shoreline
22,5km
Shore dev. idx
2,28
Residence time
5days
Elevation
40m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.