HydroLAKES lake · #180073
Usgala Siyambalangamu Wewa
Surface area
4,37km²
Avg depth
3,3m
Volume
14,6km³
Shoreline
13,8km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- GalgamuwaKurunegala · Sri Lanka4.35 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
107 distinct species · 290 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Usgala Siyambalangamu Wewa : 38 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 3 types (connectance 4.4%, 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
4,37km²
Avg depth
3,3m
Volume
14,600km³
Watershed
190km²
Shoreline
13,8km
Shore dev. idx
1,86
Residence time
51days
Elevation
85m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.