Ontologia

Ruisseau· 17 segments

Marudaiyar River

Crosses 3 administrative regions : Ariyalur, Perambalur, Thanjavur

ruisseau

Total length

57km

Max discharge

3,8m³/s

Max Strahler

3

Segments matched

17

River geography3 admin regions · 0 communes

Parent watershed

hybas-4081148580700 km²

3 administrative regions crossed (GADM L2)

  • Perambalur
    Tamil Nadu · India
    51.0 km
    in this dpt
  • Ariyalur
    Tamil Nadu · India
    45.9 km
    in this dpt
  • Thanjavur
    Tamil Nadu · India
    0.4 km
    in this dpt

1 page = 1 named river (aggregation of 17 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

48 distinct species · 132 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 22 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 Marudaiyar River : 19 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 19 interactions GloBI sur 3 types (connectance 8.2%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
19
Connectance
0.082
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

57km

Max discharge

3,8m³/s

Max Strahler

3

Segments matched

17

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