Ontologia

HydroLAKES lake · #13125

Rāznas Ezers

Natural lakeLatviaEurope 159 m

Surface area

54,7km²

Avg depth

5,4m

Volume

296,94km³

Shoreline

51,9km

Administrative coverage

Parent watershed

hybas-20802832001088 km² · upstream 1088 km²

1 dept-equivalent regions (GADM L2)

  • Rezekne
    Latgale · Latvia
    54.96 km²
    100.0% of lake

3 intersecting protected areas

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

Species present

113 distinct species · 249 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

249 obs · 2 cellules
Obs. / cellule
≥ 193
193–192
193–192
193–192
< 193

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

Ecological tissue

Sample of 27 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 Rāznas Ezers : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 44 interactions GloBI sur 2 types (connectance 12.5%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
44
Connectance
0.125
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

54,70km²

Avg depth

5,4m

Volume

296,940km³

Watershed

227km²

Shoreline

51,9km

Shore dev. idx

1,98

Residence time

1 852days

Elevation

159m

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