HydroLAKES lake · #133275
Gravsjøen
Surface area
1,51km²
Avg depth
17,1m
Volume
25,81km³
Shoreline
7km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- Sør-VarangerFinnmark · Norway1.52 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
107 distinct species · 215 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Gravsjøen : 20 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 2 types (connectance 12.7%, filtre Serrano α=0.2). 8 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
1,51km²
Avg depth
17,1m
Volume
25,810km³
Watershed
7km²
Shoreline
7,0km
Shore dev. idx
1,60
Residence time
2 575days
Elevation
102m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.