HydroLAKES lake · #158730
Velen
Surface area
2,65km²
Avg depth
6,5m
Volume
17,11km³
Shoreline
15,3km
Administrative coverage
2 dept-equivalent regions (GADM L2)
1 intersecting protected areas
2042651 Näsaviken
IUCN IaNature Reserve
0.01 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
1 182 distinct species · 7 148 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Velen : 27 espèces reliées par 80 interactions GloBI sur 6 types (connectance 12.0%, filtre Serrano α=0.2). 10 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
2,65km²
Avg depth
6,5m
Volume
17,110km³
Watershed
41km²
Shoreline
15,3km
Shore dev. idx
2,65
Residence time
647days
Elevation
122m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.