Ontologia

Ruisseau· 10 segments

Rakawana Ganga

Crosses 3 administrative regions : Embilipitiya, Godakawela, Kolonna

ruisseau

Total length

50km

Max discharge

5m³/s

Max Strahler

2

Segments matched

10

River geography3 admin regions · 0 communes

Parent watershed

hybas-40800500802513 km²

3 administrative regions crossed (GADM L2)

  • Godakawela
    Ratnapura · Sri Lanka
    21.1 km
    in this dpt
  • Embilipitiya
    Ratnapura · Sri Lanka
    11.7 km
    in this dpt
  • Kolonna
    Ratnapura · Sri Lanka
    0.0 km
    in this dpt

1 intersecting protected areas

1 page = 1 named river (aggregation of 10 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

76 distinct species · 259 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 18 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Rakawana Ganga : 17 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 14 interactions GloBI sur 3 types (connectance 9.2%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
18
Interactions affichées
14
Connectance
0.091
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

50km

Max discharge

5,0m³/s

Max Strahler

2

Segments matched

10

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.