HydroLAKES lake · #158414
Ørsjøen
Surface area
6,42km²
Avg depth
12,7m
Volume
81,41km³
Shoreline
30,1km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- HaldenÃstfold · Norway6.46 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
1 043 distinct species · 7 764 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 Ørsjøen : 27 espèces reliées par 102 interactions GloBI sur 6 types (connectance 14.5%, filtre Serrano α=0.2). 11 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
6,42km²
Avg depth
12,7m
Volume
81,410km³
Watershed
42km²
Shoreline
30,1km
Shore dev. idx
3,35
Residence time
1 354days
Elevation
142m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.