HydroLAKES lake · #152737
Örasjön
Surface area
2,89km²
Avg depth
8m
Volume
23,13km³
Shoreline
12,9km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- LjusdalGävleborg · Sweden2.91 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
576 distinct species · 2 252 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Örasjön : 32 espèces reliées par 37 interactions GloBI sur 4 types (connectance 5.0%, 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
2,89km²
Avg depth
8,0m
Volume
23,130km³
Watershed
22km²
Shoreline
12,9km
Shore dev. idx
2,14
Residence time
1 846days
Elevation
295m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.