Ontologia

Rivière· 131 segments

Periyar

Crosses 5 administrative regions : Ernakulam, Idukki, Theni, Thrissur, Tirunelveli

rivière

Total length

246km

Max discharge

293,2m³/s

Max Strahler

5

Segments matched

131

River geography5 admin regions · 0 communes

Parent watershed

hybas-40811525901436 km²

5 administrative regions crossed (GADM L2)

  • Idukki
    Kerala · India
    188.0 km
    in this dpt
  • Ernakulam
    Kerala · India
    112.8 km
    in this dpt
  • Thrissur
    Kerala · India
    4.3 km
    in this dpt
  • Theni
    Tamil Nadu · India
    0.0 km
    in this dpt
  • Tirunelveli
    Tamil Nadu · India
    0.0 km
    in this dpt

1 intersecting protected areas

  • Western Ghats

    IUCN Not Applicable

    World Heritage Site (natural or mixed)

1 page = 1 named river (aggregation of 131 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

206 distinct species · 1 058 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 25 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 Periyar : 23 espèces reliées par 22 interactions GloBI sur 3 types (connectance 7.3%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
22
Connectance
0.073
Patrimoniales
0
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

246km

Max discharge

293,2m³/s

Max Strahler

5

Segments matched

131

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