Ontologia

HydroLAKES lake · #141889

Nordre Bjøllåvatnet

Natural lakeNorwayEurope 692 m

Surface area

9,87km²

Avg depth

25m

Volume

247,16km³

Shoreline

16km

Administrative coverage

Parent watershed

hybas-2080142360348 km² · upstream 348 km²

1 dept-equivalent regions (GADM L2)

  • Saltdal
    Nordland · Norway
    9.94 km²
    100.0% of lake

2 intersecting protected areas

Computed live · HydroLAKES × GADM × WDPA · cached after first hit.

Species present

218 distinct species · 713 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

713 obs · 1 cellules
Obs. / cellule
≥ 713
713–712
713–712
713–712
< 713

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Sample of 37 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Nordre Bjøllåvatnet : 28 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 50 interactions GloBI sur 2 types (connectance 7.5%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
50
Connectance
0.075
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Lake statistics (HydroLAKES)

Surface

9,87km²

Avg depth

25,0m

Volume

247,160km³

Watershed

69km²

Shoreline

16,0km

Shore dev. idx

1,44

Residence time

1 038days

Elevation

692m

HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.