HydroLAKES lake · #147387
Bjarnalón
Surface area
1,21km²
Avg depth
6,8m
Volume
8,18km³
Shoreline
8,8km
Administrative coverage
2 dept-equivalent regions (GADM L2)
- GnúpverjahreppurSuðurland · Iceland1.21 km²99.8% of lake
- Holta- og LandasveitSuðurland · Iceland0.00 km²0.2% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
179 distinct species · 456 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Bjarnalón : 21 espèces reliées par 40 interactions GloBI sur 5 types (connectance 10.6%, 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
1,21km²
Avg depth
6,8m
Volume
8,180km³
Watershed
6 588km²
Shoreline
8,8km
Shore dev. idx
2,25
Residence time
0days
Elevation
249m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.