Ontologia

HydroLAKES lake · #144627

Virtajärvi

Natural lakeFinlandEurope 207 m

Surface area

5,45km²

Avg depth

8,2m

Volume

44,53km³

Shoreline

41,6km

Administrative coverage

Parent watershed

hybas-2080156010491 km² · upstream 491 km²

1 dept-equivalent regions (GADM L2)

  • Kainuu
    Oulu · Finland
    5.49 km²
    100.0% of lake

2 intersecting protected areas

  • Hossa

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    4.59 km² overlap

  • Hossan kansallispuisto

    IUCN II

    National Park

    1.86 km² overlap

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

Species present

301 distinct species · 1 181 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 181 obs · 1 cellules
Obs. / cellule
≥ 1 181
1 181–1 180
1 181–1 180
1 181–1 180
< 1 181

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 Virtajärvi : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 63 interactions GloBI sur 5 types (connectance 10.0%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
63
Connectance
0.100
Patrimoniales
1
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

5,45km²

Avg depth

8,2m

Volume

44,530km³

Watershed

359km²

Shoreline

41,6km

Shore dev. idx

5,02

Residence time

127days

Elevation

207m

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