HydroLAKES lake · #157433
Alstasjön
Surface area
1,27km²
Avg depth
5m
Volume
6,39km³
Shoreline
7,3km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- EnköpingUppsala · Sweden1.28 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
1 795 distinct species · 33 493 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Alstasjön : 17 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 64 interactions GloBI sur 3 types (connectance 15.8%, filtre Serrano α=0.2). 12 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
1,27km²
Avg depth
5,0m
Volume
6,390km³
Watershed
713km²
Shoreline
7,3km
Shore dev. idx
1,83
Residence time
15days
Elevation
5m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.