Ontologia

Rivière· 62 segments

Malwathu Oya

Crosses 10 administrative regions : Madhu, Maha Vilachchiya, Medawachchiya, Musali, N. Palatha Central +5

rivière

Total length

155km

Max discharge

33,3m³/s

Max Strahler

4

Segments matched

62

River geography10 admin regions · 0 communes

Parent watershed

hybas-4081155590127 km²

10 administrative regions crossed (GADM L2)

5 intersecting protected areas

1 page = 1 named river (aggregation of 62 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

97 distinct species · 400 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 33 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 Malwathu Oya : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 34 interactions GloBI sur 3 types (connectance 6.4%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
34
Connectance
0.064
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

155km

Max discharge

33,3m³/s

Max Strahler

4

Segments matched

62

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