HydroLAKES lake · #147446
Rørtjørna
Surface area
1,81km²
Avg depth
8,5m
Volume
15,45km³
Shoreline
7,7km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- SnåsaNord-Trøndelag · Norway1.82 km²100.0% of lake
2 intersecting protected areas
Blåfjella - Skjækerfjella
IUCN Not ReportedEmerald Network
1.82 km² overlap
Blåfjella-Skjækerfjella
IUCN IINational Park
1.82 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
237 distinct species · 768 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Rørtjørna : 33 espèces reliées par 57 interactions GloBI sur 4 types (connectance 7.0%, filtre Serrano α=0.2). 8 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
1,81km²
Avg depth
8,5m
Volume
15,450km³
Watershed
9km²
Shoreline
7,7km
Shore dev. idx
1,61
Residence time
673days
Elevation
491m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.