HydroLAKES lake · #153619
Norstafjärden
Surface area
2,64km²
Avg depth
3,8m
Volume
10,16km³
Shoreline
13,2km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- HudiksvallGävleborg · Sweden2.66 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 Norstafjärden : 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
2,64km²
Avg depth
3,8m
Volume
10,160km³
Watershed
26km²
Shoreline
13,2km
Shore dev. idx
2,30
Residence time
404days
Elevation
6m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.