Ruisseau· 8 segments
Wey Ganga
Crosses 4 administrative regions : Kahawatta, Nivithigala, Pelmadulla, Ratnapura
Total length
28km
Max discharge
11,8m³/s
Max Strahler
3
Segments matched
8
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- PelmadullaRatnapura · Sri Lanka13.3 kmin this dpt
- NivithigalaRatnapura · Sri Lanka9.8 kmin this dpt
- RatnapuraRatnapura · Sri Lanka2.7 kmin this dpt
- KahawattaRatnapura · Sri Lanka2.3 kmin this dpt
1 page = 1 named river (aggregation of 8 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
46 distinct species · 112 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 13 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 Wey Ganga : 12 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 8 interactions GloBI sur 2 types (connectance 10.3%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
28km
Max discharge
11,8m³/s
Max Strahler
3
Segments matched
8
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.