HydroLAKES lake · #145556
Orvatnet
Surface area
4,86km²
Avg depth
15,9m
Volume
77,46km³
Shoreline
14,4km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- RøyrvikNord-Trøndelag · Norway4.89 km²100.0% of lake
2 intersecting protected areas
Børgefjell
IUCN Not ReportedEmerald Network
4.89 km² overlap
Børgefjell/Byrkije
IUCN IINational Park
4.89 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
282 distinct species · 387 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Orvatnet : 22 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 34 interactions GloBI sur 3 types (connectance 8.4%, 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
4,86km²
Avg depth
15,9m
Volume
77,460km³
Watershed
20km²
Shoreline
14,4km
Shore dev. idx
1,84
Residence time
1 405days
Elevation
529m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.