HydroLAKES lake · #15880
Senanayaka Samudra
Surface area
63,8km²
Avg depth
14,9m
Volume
949,8km³
Shoreline
150,7km
Administrative coverage
4 dept-equivalent regions (GADM L2)
- MadullaMoneragala · Sri Lanka47.84 km²75.3% of lake
- DamanaAmpara · Sri Lanka8.71 km²13.7% of lake
- SiyambalanduwaMoneragala · Sri Lanka6.14 km²9.7% of lake
- BibileMoneragala · Sri Lanka0.83 km²1.3% of lake
3 intersecting protected areas
Senanayaka Samudra
IUCN IVSanctuary
60.99 km² overlap
Gal Oya
IUCN IINational Park
1.99 km² overlap
Gal Oya Valley South - East
IUCN IVSanctuary
0.26 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
127 distinct species · 249 observations
Source: GBIF Occurrence snapshot 2026-05-01.
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).
Indicateurs du tissu écologique
Tissu écologique de Senanayaka Samudra : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 19 interactions GloBI sur 2 types (connectance 5.8%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Lake statistics (HydroLAKES)
Surface
63,80km²
Avg depth
14,9m
Volume
949,800km³
Watershed
999km²
Shoreline
150,7km
Shore dev. idx
5,32
Residence time
479days
Elevation
80m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.