Ontologia

HydroLAKES lake · #160132

Alauksta Ezers

Natural lakeLatviaEurope 201 m

Surface area

7,09km²

Avg depth

7,4m

Volume

52,17km³

Shoreline

13,1km

Administrative coverage

Parent watershed

hybas-20802810601670 km² · upstream 1670 km²

1 dept-equivalent regions (GADM L2)

  • Cesis
    Vidzeme · Latvia
    7.13 km²
    100.0% of lake

3 intersecting protected areas

  • Vecpiebalga

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    7.13 km² overlap

  • Vecpiebalga

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    7.13 km² overlap

  • Vecpiebalga

    IUCN V

    Protected Landscape Area

    7.13 km² overlap

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

Species present

25 distinct species · 26 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

26 obs · 1 cellules
Obs. / cellule
≥ 26
26–25
26–25
26–25
< 26

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

Ecological tissue

Sample of 9 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 Alauksta Ezers : 8 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 6 interactions GloBI sur 2 types (connectance 16.7%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
9
Interactions affichées
6
Connectance
0.167
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

7,09km²

Avg depth

7,4m

Volume

52,170km³

Watershed

24km²

Shoreline

13,1km

Shore dev. idx

1,39

Residence time

2 435days

Elevation

201m

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