HydroLAKES lake · #15873
Madura Oya Reservoir
Surface area
48,59km²
Avg depth
12,3m
Volume
596,6km³
Shoreline
122,4km
Administrative coverage
5 dept-equivalent regions (GADM L2)
- DehiattakandiyaAmpara · Sri Lanka22.76 km²47.0% of lake
- PadiyathalawaAmpara · Sri Lanka12.46 km²25.8% of lake
- MahiyanganayaBadulla · Sri Lanka7.94 km²16.4% of lake
- MahaoyaAmpara · Sri Lanka4.68 km²9.7% of lake
- DimbulagalaPolonnaruwa · Sri Lanka0.54 km²1.1% of lake
2 intersecting protected areas
Maduru Oya
IUCN IINational Park
47.63 km² overlap
Nuwaragala
IUCN IbReserved Forest
20.12 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
50 distinct species · 132 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 9 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 Madura Oya Reservoir : 7 espèces reliées par 5 interactions GloBI sur 2 types (connectance 13.9%, filtre Serrano α=0.2). 2 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
48,59km²
Avg depth
12,3m
Volume
596,600km³
Watershed
476km²
Shoreline
122,4km
Shore dev. idx
4,95
Residence time
620days
Elevation
95m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.