HydroLAKES lake · #157773
Mälaren
Surface area
2,96km²
Avg depth
4,2m
Volume
12,32km³
Shoreline
11,5km
Administrative coverage
2 dept-equivalent regions (GADM L2)
- HallstahammarVästmanland · Sweden2.96 km²99.4% of lake
- VästeråsVästmanland · Sweden0.02 km²0.6% of lake
6 intersecting protected areas
2001346 Strömsholm
IUCN VNature Reserve
1.29 km² overlap
Strömsholm
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1.29 km² overlap
Strömsholm
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.29 km² overlap
Strömsholm
IUCN VNatura 2000 SPA
1.29 km² overlap
Strömsholm
IUCN VNatura 2000 SCI
1.29 km² overlap
SK 376-2002
IUCN IaHabitat Protection Area
0.00 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
3 218 distinct species · 23 305 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Mälaren : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 74 interactions GloBI sur 5 types (connectance 8.2%, filtre Serrano α=0.2). 7 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
2,96km²
Avg depth
4,2m
Volume
12,320km³
Watershed
3 265km²
Shoreline
11,5km
Shore dev. idx
1,88
Residence time
5days
Elevation
4m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.