HydroLAKES lake · #157784
Garnsviken
Surface area
1,94km²
Avg depth
9,7m
Volume
18,81km³
Shoreline
16,9km
Administrative coverage
2 dept-equivalent regions (GADM L2)
- VallentunaStockholm · Sweden1.87 km²96.1% of lake
- ÖsteråkerStockholm · Sweden0.08 km²3.9% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
1 638 distinct species · 15 932 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Garnsviken : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 93 interactions GloBI sur 6 types (connectance 16.6%, filtre Serrano α=0.2). 10 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
1,94km²
Avg depth
9,7m
Volume
18,810km³
Watershed
406km²
Shoreline
16,9km
Shore dev. idx
3,43
Residence time
72days
Elevation
9m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.