HydroLAKES lake · #158109
Kalvsjön
Surface area
9,81km²
Avg depth
9,7m
Volume
95,4km³
Shoreline
53,7km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- EskilstunaSödermanland · Sweden9.86 km²100.0% of lake
6 intersecting protected areas
2013440 Kvarntorp
IUCN IVNature Reserve
0.47 km² overlap
2004611 Tegelbruksholmen
IUCN Not AssignedWildlife and Plant Sanctuary
0.05 km² overlap
2004613 Ramö skär
IUCN Not AssignedWildlife and Plant Sanctuary
0.04 km² overlap
2004612 Stockholmshällen
IUCN Not AssignedWildlife and Plant Sanctuary
0.03 km² overlap
Hedensö
IUCN Not AssignedNatura 2000 SCI
0.01 km² overlap
Hedensö
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.01 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
1 279 distinct species · 9 475 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Kalvsjön : 23 espèces reliées par 81 interactions GloBI sur 5 types (connectance 13.6%, 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
9,81km²
Avg depth
9,7m
Volume
95,400km³
Watershed
128km²
Shoreline
53,7km
Shore dev. idx
4,84
Residence time
1 488days
Elevation
40m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.