Ontologia

HydroLAKES lake · #15897

Udawalawe Reservoir

ReservoirSri LankaAsia 84 m

Surface area

27,9km²

Avg depth

9,6m

Volume

268,6km³

Shoreline

87,8km

Administrative coverage

Parent watershed

hybas-40800500802513 km² · upstream 2513 km²

4 dept-equivalent regions (GADM L2)

  • Thanamalvila
    Moneragala · Sri Lanka
    13.36 km²
    48.1% of lake
  • Embilipitiya
    Ratnapura · Sri Lanka
    10.59 km²
    38.1% of lake
  • Weligepola
    Ratnapura · Sri Lanka
    3.24 km²
    11.7% of lake
  • Balangoda
    Ratnapura · Sri Lanka
    0.60 km²
    2.2% of lake

1 intersecting protected areas

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

Species present

219 distinct species · 1 839 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 839 obs · 1 cellules
Obs. / cellule
≥ 1 839
1 839–1 838
1 839–1 838
1 839–1 838
< 1 839

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

Ecological tissue

Sample of 29 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 Udawalawe Reservoir : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 26 interactions GloBI sur 4 types (connectance 6.4%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
26
Connectance
0.064
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

27,90km²

Avg depth

9,6m

Volume

268,600km³

Watershed

1 177km²

Shoreline

87,8km

Shore dev. idx

4,69

Residence time

68days

Elevation

84m

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