Ontologia

HydroLAKES lake · #143107

Tverrvatnet

Natural lakeNorwayEurope 496 m

Surface area

1,45km²

Avg depth

9,3m

Volume

13,48km³

Shoreline

11,5km

Administrative coverage

Parent watershed

hybas-2080037070348 km² · upstream 3674 km²

1 dept-equivalent regions (GADM L2)

  • Rana
    Nordland · Norway
    1.46 km²
    100.0% of lake

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

Species present

147 distinct species · 315 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

315 obs · 1 cellules
Obs. / cellule
≥ 315
315–314
315–314
315–314
< 315

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

Ecological tissue

Sample of 35 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 Tverrvatnet : 28 espèces reliées par 51 interactions GloBI sur 5 types (connectance 8.6%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
51
Connectance
0.086
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

1,45km²

Avg depth

9,3m

Volume

13,480km³

Watershed

60km²

Shoreline

11,5km

Shore dev. idx

2,68

Residence time

64days

Elevation

496m

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