Ontologia

HydroLAKES lake · #160805

Istras Ezers

Natural lakeLatviaEurope 141 m

Surface area

2,88km²

Avg depth

4m

Volume

11,47km³

Shoreline

17,5km

Administrative coverage

Parent watershed

hybas-20802751402042 km² · upstream 2042 km²

1 dept-equivalent regions (GADM L2)

  • Ludza
    Latgale · Latvia
    2.89 km²
    100.0% of lake

2 intersecting protected areas

  • Istras ezers

    IUCN IV

    Nature Reserve

    1.44 km² overlap

  • Istras ezers

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    1.44 km² overlap

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

Species present

69 distinct species · 106 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

106 obs · 1 cellules
Obs. / cellule
≥ 106
106–105
106–105
106–105
< 106

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

Ecological tissue

Sample of 34 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 Istras Ezers : 31 espèces reliées par 43 interactions GloBI sur 3 types (connectance 7.7%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
43
Connectance
0.077
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

2,88km²

Avg depth

4,0m

Volume

11,470km³

Watershed

162km²

Shoreline

17,5km

Shore dev. idx

2,92

Residence time

116days

Elevation

141m

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