Ontologia

HydroLAKES lake · #180329

Samanalawewa Reservoir

Natural lakeSri LankaAsia 444 m

Surface area

3,47km²

Avg depth

15,8m

Volume

54,93km³

Shoreline

26km

Administrative coverage

Parent watershed

hybas-40800500802513 km² · upstream 2513 km²

2 dept-equivalent regions (GADM L2)

  • Imbulpe
    Ratnapura · Sri Lanka
    3.11 km²
    90.1% of lake
  • Balangoda
    Ratnapura · Sri Lanka
    0.34 km²
    9.9% of lake

1 intersecting protected areas

  • Rajawaka

    IUCN Ib

    Reserved Forest

    0.03 km² overlap

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

Species present

181 distinct species · 633 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

633 obs · 1 cellules
Obs. / cellule
≥ 633
633–632
633–632
633–632
< 633

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

Ecological tissue

Sample of 34 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 Samanalawewa Reservoir : 31 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 26 interactions GloBI sur 3 types (connectance 4.6%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
26
Connectance
0.046
Patrimoniales
3
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

3,47km²

Avg depth

15,8m

Volume

54,930km³

Watershed

339km²

Shoreline

26,0km

Shore dev. idx

3,94

Residence time

46days

Elevation

444m

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