Ontologia

HydroLAKES lake · #13220

Riču ezers

Natural lakeBelarusEurope 143 m

Surface area

11,87km²

Avg depth

4,4m

Volume

51,84km³

Shoreline

30,3km

Administrative coverage

Parent watershed

hybas-20803071201056 km² · upstream 1057 km²

2 dept-equivalent regions (GADM L2)

  • Daugavpils
    Latgale · Latvia
    7.78 km²
    65.3% of lake
  • Braslaw
    Vitebsk · Belarus
    4.14 km²
    34.7% of lake

4 intersecting protected areas

  • Richi

    IUCN IV

    Nature Sanctuary or Partial Reserve

    5.82 km² overlap

  • Silene

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    5.34 km² overlap

  • Silene

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    5.34 km² overlap

  • Silene

    IUCN II

    Nature Park

    5.34 km² overlap

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

Species present

133 distinct species · 255 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

255 obs · 1 cellules
Obs. / cellule
≥ 255
255–254
255–254
255–254
< 255

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

Ecological tissue

Sample of 26 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 Riču ezers : 20 espèces reliées par 22 interactions GloBI sur 3 types (connectance 6.8%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
22
Connectance
0.068
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

11,87km²

Avg depth

4,4m

Volume

51,840km³

Watershed

194km²

Shoreline

30,3km

Shore dev. idx

2,48

Residence time

418days

Elevation

143m

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