HydroLAKES lake · #12569
Marmen
Surface area
17,72km²
Avg depth
12,3m
Volume
218,69km³
Shoreline
47km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- SöderhamnGävleborg · Sweden17.83 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
2 054 distinct species · 10 580 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Marmen : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 81 interactions GloBI sur 4 types (connectance 15.3%, 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
17,72km²
Avg depth
12,3m
Volume
218,690km³
Watershed
20 143km²
Shoreline
47,0km
Shore dev. idx
3,15
Residence time
15days
Elevation
30m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.