HydroLAKES lake · #11776
Räktjärv
Surface area
13,26km²
Avg depth
13m
Volume
172,35km³
Shoreline
40,1km
Administrative coverage
2 dept-equivalent regions (GADM L2)
2 intersecting protected areas
Torne och Kalix älvsystem
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
12.98 km² overlap
Torne och Kalix älvsystem
IUCN Not AssignedNatura 2000 SCI
12.98 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
521 distinct species · 1 640 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Räktjärv : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 68 interactions GloBI sur 4 types (connectance 10.8%, filtre Serrano α=0.2). 16 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
13,26km²
Avg depth
13,0m
Volume
172,350km³
Watershed
16 492km²
Shoreline
40,1km
Shore dev. idx
3,11
Residence time
8days
Elevation
18m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.