HydroLAKES lake · #152708
Hennan
Surface area
2,27km²
Avg depth
9m
Volume
20,56km³
Shoreline
9,2km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- LjusdalGävleborg · Sweden2.29 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
570 distinct species · 1 583 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Hennan : 27 espèces reliées par 98 interactions GloBI sur 5 types (connectance 10.4%, filtre Serrano α=0.2). 17 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
2,27km²
Avg depth
9,0m
Volume
20,560km³
Watershed
301km²
Shoreline
9,2km
Shore dev. idx
1,72
Residence time
127days
Elevation
201m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.