HydroLAKES lake · #158501
Ärrsjön
Surface area
5,19km²
Avg depth
13,3m
Volume
68,89km³
Shoreline
17,6km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- ÅmålVästra Götaland · Sweden5.22 km²100.0% of lake
1 intersecting protected areas
2000556 Baståsen
IUCN IVNature Reserve
0.18 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
1 579 distinct species · 8 649 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Ärrsjön : 24 espèces reliées par 73 interactions GloBI sur 3 types (connectance 15.7%, 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
5,19km²
Avg depth
13,3m
Volume
68,890km³
Watershed
153km²
Shoreline
17,6km
Shore dev. idx
2,18
Residence time
476days
Elevation
50m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.