HydroLAKES lake · #153618
Spjutnäsfjärden
Surface area
1,54km²
Avg depth
2m
Volume
3,05km³
Shoreline
10km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- HudiksvallGävleborg · Sweden1.55 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
440 distinct species · 1 687 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Spjutnäsfjärden : 20 espèces reliées par 77 interactions GloBI sur 5 types (connectance 14.6%, filtre Serrano α=0.2). 13 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
1,54km²
Avg depth
2,0m
Volume
3,050km³
Watershed
64km²
Shoreline
10,0km
Shore dev. idx
2,28
Residence time
48days
Elevation
8m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.