HydroLAKES lake · #149650
Happstafjärden
Surface area
2,03km²
Avg depth
4m
Volume
8,13km³
Shoreline
8,4km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- ÖrnsköldsvikVästernorrland · Sweden2.04 km²100.0% of lake
2 intersecting protected areas
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
778 distinct species · 2 747 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 Happstafjärden : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 44 interactions GloBI sur 3 types (connectance 10.8%, 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
2,03km²
Avg depth
4,0m
Volume
8,130km³
Watershed
2 092km²
Shoreline
8,4km
Shore dev. idx
1,66
Residence time
3days
Elevation
6m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.