HydroLAKES lake · #154502
Breivatnet
Surface area
2,15km²
Avg depth
10,6m
Volume
22,73km³
Shoreline
10,7km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- FjalerSogn og Fjordane · Norway2.17 km²100.0% of lake
1 intersecting protected areas
Gyttavatnet
IUCN IaNature Reserve
0.00 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
219 distinct species · 1 102 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Breivatnet : 39 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 106 interactions GloBI sur 4 types (connectance 11.7%, filtre Serrano α=0.2). 4 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
2,15km²
Avg depth
10,6m
Volume
22,730km³
Watershed
257km²
Shoreline
10,7km
Shore dev. idx
2,06
Residence time
10days
Elevation
9m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.