Ontologia

HydroLAKES lake · #146887

Holden

Natural lakeNorwayEurope 389 m

Surface area

3,61km²

Avg depth

16,1m

Volume

57,97km³

Shoreline

12km

Administrative coverage

Parent watershed

hybas-2080172050471 km² · upstream 471 km²

1 dept-equivalent regions (GADM L2)

  • Lierne
    Nord-Trøndelag · Norway
    3.63 km²
    100.0% of lake

1 intersecting protected areas

  • Holden

    IUCN Ia

    Nature Reserve

    0.05 km² overlap

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

Species present

263 distinct species · 640 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

640 obs · 1 cellules
Obs. / cellule
≥ 640
640–639
640–639
640–639
< 640

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

Ecological tissue

Sample of 30 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 Holden : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 35 interactions GloBI sur 3 types (connectance 8.0%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
35
Connectance
0.081
Patrimoniales
2
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

3,61km²

Avg depth

16,1m

Volume

57,970km³

Watershed

137km²

Shoreline

12,0km

Shore dev. idx

1,77

Residence time

187days

Elevation

389m

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