Ontologia

HydroLAKES lake · #180316

Bolgoda Lake

Natural lakeSri LankaAsia 3 m

Surface area

4,3km²

Avg depth

4,1m

Volume

17,78km³

Shoreline

23,7km

Administrative coverage

Parent watershed

hybas-4080049020310 km² · upstream 310 km²

3 dept-equivalent regions (GADM L2)

  • Kesbewa
    Colombo · Sri Lanka
    1.81 km²
    42.3% of lake
  • Panadura
    Kalutara · Sri Lanka
    1.24 km²
    29.0% of lake
  • Moratuwa
    Colombo · Sri Lanka
    1.23 km²
    28.7% of lake

1 intersecting protected areas

  • Bolgoda EPA

    IUCN V

    Environmental Protection Area (EPA)

    4.28 km² overlap

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

Species present

321 distinct species · 15 927 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

15 927 obs · 1 cellules
Obs. / cellule
≥ 15 927
15 927–15 926
15 927–15 926
15 927–15 926
< 15 927

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

Ecological tissue

Sample of 35 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 Bolgoda Lake : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 31 interactions GloBI sur 3 types (connectance 5.2%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
31
Connectance
0.052
Patrimoniales
2
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

4,30km²

Avg depth

4,1m

Volume

17,780km³

Watershed

235km²

Shoreline

23,7km

Shore dev. idx

3,23

Residence time

21days

Elevation

3m

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