HydroLAKES lake · #157299
Gjersjøen
Surface area
2,61km²
Avg depth
14,5m
Volume
37,77km³
Shoreline
16,3km
Administrative coverage
2 dept-equivalent regions (GADM L2)
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
3 784 distinct species · 42 891 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Gjersjøen : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 91 interactions GloBI sur 4 types (connectance 11.1%, 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
2,61km²
Avg depth
14,5m
Volume
37,770km³
Watershed
81km²
Shoreline
16,3km
Shore dev. idx
2,85
Residence time
344days
Elevation
47m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.