HydroLAKES lake · #153684
Järnvallssjön
Surface area
1,2km²
Avg depth
7,7m
Volume
9,28km³
Shoreline
7,1km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- HudiksvallGävleborg · Sweden1.21 km²100.0% of lake
1 intersecting protected areas
2004467 Västeräng
IUCN Not AssignedOthers
0.02 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
270 distinct species · 582 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Järnvallssjön : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 36 interactions GloBI sur 5 types (connectance 6.8%, filtre Serrano α=0.2). 5 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
1,20km²
Avg depth
7,7m
Volume
9,280km³
Watershed
4km²
Shoreline
7,1km
Shore dev. idx
1,82
Residence time
3 357days
Elevation
165m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.