Rivière· 7 segments
Nillamba Oya
Crosses 3 administrative regions : Doluwa, Udapalatha, Udunuwara
Total length
15km
Max discharge
34,7m³/s
Max Strahler
4
Segments matched
7
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- DoluwaKandy · Sri Lanka13.3 kmin this dpt
- UdapalathaKandy · Sri Lanka0.0 kmin this dpt
- UdunuwaraKandy · Sri Lanka0.0 kmin this dpt
1 intersecting protected areas
Hantana EPA
IUCN VIEnvironmental Protection Area (EPA)
1 page = 1 named river (aggregation of 7 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
138 distinct species · 1 914 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 19 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 Nillamba Oya : 19 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 11 interactions GloBI sur 3 types (connectance 6.4%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
15km
Max discharge
34,7m³/s
Max Strahler
4
Segments matched
7
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.