Ontologia

HydroLAKES lake · #155521

Sahajärvi

Natural lakeFinlandEurope 70 m

Surface area

1,91km²

Avg depth

7,5m

Volume

14,24km³

Shoreline

7,8km

Administrative coverage

Parent watershed

hybas-2080223840387 km² · upstream 1124 km²

1 dept-equivalent regions (GADM L2)

  • Uusimaa
    Southern Finland · Finland
    1.92 km²
    100.0% of lake

2 intersecting protected areas

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

Species present

365 distinct species · 1 130 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 130 obs · 1 cellules
Obs. / cellule
≥ 1 130
1 130–1 129
1 130–1 129
1 130–1 129
< 1 130

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 Sahajärvi : 21 espèces reliées par 69 interactions GloBI sur 6 types (connectance 14.8%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
69
Connectance
0.148
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

1,91km²

Avg depth

7,5m

Volume

14,240km³

Watershed

1 055km²

Shoreline

7,8km

Shore dev. idx

1,60

Residence time

21days

Elevation

70m

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