HydroLAKES lake · #180394
Ridiyagama Tank
Surface area
8,06km²
Avg depth
3,8m
Volume
30,67km³
Shoreline
19,5km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- AmbalanthotaHambantota · Sri Lanka8.02 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
94 distinct species · 176 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Ridiyagama Tank : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 25 interactions GloBI sur 3 types (connectance 7.1%, 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
8,06km²
Avg depth
3,8m
Volume
30,670km³
Watershed
2 353km²
Shoreline
19,5km
Shore dev. idx
1,94
Residence time
4days
Elevation
18m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.