Ontologia

HydroLAKES lake · #13010

Burtnieku Ezers

Natural lakeLatviaEurope 39 m

Surface area

39,57km²

Avg depth

3,7m

Volume

146,32km³

Shoreline

41,2km

Administrative coverage

Parent watershed

hybas-20800274603569 km² · upstream 3569 km²

1 dept-equivalent regions (GADM L2)

  • Valmiera
    Vidzeme · Latvia
    39.77 km²
    100.0% of lake

8 intersecting protected areas

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

Species present

198 distinct species · 1 058 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 058 obs · 2 cellules
Obs. / cellule
≥ 747
747–746
747–746
747–746
< 747

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 Burtnieku Ezers : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 69 interactions GloBI sur 3 types (connectance 12.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
69
Connectance
0.123
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

39,57km²

Avg depth

3,7m

Volume

146,320km³

Watershed

2 304km²

Shoreline

41,2km

Shore dev. idx

1,85

Residence time

68days

Elevation

39m

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