Ontologia

HydroLAKES lake · #157350

Børtervanna

Natural lakeNorwayEurope 199 m

Surface area

2,68km²

Avg depth

12,6m

Volume

33,82km³

Shoreline

30,2km

Administrative coverage

Parent watershed

hybas-2080240660570 km² · upstream 39828 km²

1 dept-equivalent regions (GADM L2)

  • Enebakk
    Akershus · Norway
    2.69 km²
    100.0% of lake

2 intersecting protected areas

  • Østmarka

    IUCN II

    National Park

    0.08 km² overlap

  • Østmarka

    IUCN Not Reported

    Emerald Network

    0.01 km² overlap

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

Species present

1 408 distinct species · 8 405 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 405 obs · 1 cellules
Obs. / cellule
≥ 8 405
8 405–8 404
8 405–8 404
8 405–8 404
< 8 405

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

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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Børtervanna : 25 espèces reliées par 70 interactions GloBI sur 4 types (connectance 13.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
70
Connectance
0.133
Patrimoniales
0
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

2,68km²

Avg depth

12,6m

Volume

33,820km³

Watershed

34km²

Shoreline

30,2km

Shore dev. idx

5,20

Residence time

665days

Elevation

199m

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