HydroLAKES lake · #157878
Nedre Tvängen
Surface area
3,2km²
Avg depth
9,4m
Volume
30,15km³
Shoreline
19,3km
Administrative coverage
2 dept-equivalent regions (GADM L2)
3 intersecting protected areas
2002147 Glaskogen
IUCN VNature Reserve
0.58 km² overlap
2041347 Nedre Tvängen
IUCN Not AssignedWildlife and Plant Sanctuary
0.04 km² overlap
SK 520-2018
IUCN IVNature conservation agreement
0.00 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
157 distinct species · 398 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Nedre Tvängen : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 36 interactions GloBI sur 5 types (connectance 8.9%, filtre Serrano α=0.2). 7 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
3,20km²
Avg depth
9,4m
Volume
30,150km³
Watershed
59km²
Shoreline
19,3km
Shore dev. idx
3,04
Residence time
565days
Elevation
197m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.