Ontologia

HydroLAKES lake · #160529

Bižu Ezers

Natural lakeLatviaEurope 139 m

Surface area

1,17km²

Avg depth

2,1m

Volume

2,42km³

Shoreline

6,4km

Administrative coverage

Parent watershed

hybas-20802832001088 km² · upstream 1088 km²

2 dept-equivalent regions (GADM L2)

  • Rezekne
    Latgale · Latvia
    0.76 km²
    64.2% of lake
  • Ludza
    Latgale · Latvia
    0.42 km²
    35.8% of lake

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

Species present

70 distinct species · 78 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

78 obs · 1 cellules
Obs. / cellule
≥ 78
78–77
78–77
78–77
< 78

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

Ecological tissue

Sample of 33 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 Bižu Ezers : 29 espèces reliées par 32 interactions GloBI sur 5 types (connectance 6.1%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
32
Connectance
0.061
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

1,17km²

Avg depth

2,1m

Volume

2,420km³

Watershed

9km²

Shoreline

6,4km

Shore dev. idx

1,67

Residence time

400days

Elevation

139m

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