Ontologia

HydroLAKES lake · #159124

Õisu Järv

Natural lakeEstoniaEurope 46 m

Surface area

1,84km²

Avg depth

2,3m

Volume

4,29km³

Shoreline

5,9km

Administrative coverage

Parent watershed

hybas-20802558102719 km² · upstream 2719 km²

1 dept-equivalent regions (GADM L2)

  • Halliste
    Viljandi · Estonia
    1.85 km²
    100.0% of lake

3 intersecting protected areas

  • Õisu maastikukaitseala

    IUCN Not Assigned

    Protected landscape (nature park)

    1.85 km² overlap

  • Õisu MKA, Õisu pv.

    IUCN V

    Limited management zone of protected landscape

    1.85 km² overlap

  • Õisu

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    1.85 km² overlap

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

Species present

851 distinct species · 8 505 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 505 obs · 1 cellules
Obs. / cellule
≥ 8 505
8 505–8 504
8 505–8 504
8 505–8 504
< 8 505

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 Õisu Järv : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 65 interactions GloBI sur 3 types (connectance 10.9%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
65
Connectance
0.109
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

1,84km²

Avg depth

2,3m

Volume

4,290km³

Watershed

201km²

Shoreline

5,9km

Shore dev. idx

1,23

Residence time

25days

Elevation

46m

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