HydroLAKES lake · #155760
Hyen
Surface area
8,31km²
Avg depth
9,4m
Volume
78,32km³
Shoreline
25,2km
Administrative coverage
3 dept-equivalent regions (GADM L2)
3 intersecting protected areas
Surtjärn
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.00 km² overlap
Surtjärn
IUCN Not AssignedNatura 2000 SCI
0.00 km² overlap
2000313 Surtjärns domänreservat
IUCN Not AssignedNature Reserve
0.00 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
628 distinct species · 3 336 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 22 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 Hyen : 17 espèces reliées par 36 interactions GloBI sur 3 types (connectance 14.2%, filtre Serrano α=0.2). 6 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
8,31km²
Avg depth
9,4m
Volume
78,320km³
Watershed
195km²
Shoreline
25,2km
Shore dev. idx
2,47
Residence time
439days
Elevation
159m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.