HydroLAKES lake · #144467
Grænavatn
Surface area
1,33km²
Avg depth
5,7m
Volume
7,52km³
Shoreline
8km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- SkútustaðahreppurNorðurland eystra · Iceland1.34 km²100.0% of lake
3 intersecting protected areas
Mývatn
IUCN IVConservation Area
1.34 km² overlap
Mývatn-Laxá
IUCN Not ReportedEmerald Network
1.34 km² overlap
Myvatn-Laxá region
IUCN VWetland of International Importance (Ramsar Site)
1.34 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
232 distinct species · 1 195 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 Grænavatn : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 74 interactions GloBI sur 7 types (connectance 13.2%, 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
1,33km²
Avg depth
5,7m
Volume
7,520km³
Watershed
1 975km²
Shoreline
8,0km
Shore dev. idx
1,96
Residence time
2days
Elevation
256m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.