Ontologia

HydroLAKES lake · #160963

Ciriss

Natural lakeLatviaEurope 139 m

Surface area

5,49km²

Avg depth

4,3m

Volume

23,8km³

Shoreline

23,5km

Administrative coverage

Parent watershed

hybas-2080292960377 km² · upstream 377 km²

1 dept-equivalent regions (GADM L2)

  • Preili
    Latgale · Latvia
    5.52 km²
    100.0% of lake

2 intersecting protected areas

  • Cirīša ezers

    IUCN II

    Nature Park

    5.51 km² overlap

  • Cirīša ezers

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    5.51 km² overlap

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

Species present

157 distinct species · 195 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

195 obs · 1 cellules
Obs. / cellule
≥ 195
195–194
195–194
195–194
< 195

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

Ecological tissue

Sample of 46 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 Ciriss : 38 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 88 interactions GloBI sur 6 types (connectance 8.5%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
46
Interactions affichées
88
Connectance
0.085
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

5,49km²

Avg depth

4,3m

Volume

23,800km³

Watershed

375km²

Shoreline

23,5km

Shore dev. idx

2,83

Residence time

84days

Elevation

139m

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