HydroLAKES lake · #157811
Norrviken
Surface area
2,48km²
Avg depth
7,9m
Volume
19,5km³
Shoreline
17,7km
Administrative coverage
2 dept-equivalent regions (GADM L2)
- SollentunaStockholm · Sweden1.69 km²67.9% of lake
- Upplands-VäsbyStockholm · Sweden0.80 km²32.1% of lake
3 intersecting protected areas
2022049 Södra Törnskogen
IUCN IVNature Reserve
0.08 km² overlap
SK 555-2003
IUCN IVNature conservation agreement, Swedish Forest Agency
0.01 km² overlap
SK 554-2003
IUCN IVNature conservation agreement, Swedish Forest Agency
0.00 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
3 859 distinct species · 120 859 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Norrviken : 19 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 69 interactions GloBI sur 4 types (connectance 13.9%, filtre Serrano α=0.2). 13 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
2,48km²
Avg depth
7,9m
Volume
19,500km³
Watershed
105km²
Shoreline
17,7km
Shore dev. idx
3,17
Residence time
308days
Elevation
11m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.