Ruisseau· 4 segments
Okkiyam Maduvu
Crosses 2 administrative regions : Chennai, Kancheepuram
Total length
3km
Max discharge
1,4m³/s
Max Strahler
2
Segments matched
4
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- KancheepuramTamil Nadu · India10.5 kmin this dpt
- ChennaiTamil Nadu · India2.0 kmin this dpt
1 intersecting protected areas
Pallikaranai Marsh Reserve Forest
IUCN Not ReportedWetland of International Importance (Ramsar Site)
1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
726 distinct species · 154 436 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).
Indicateurs du tissu écologique
Tissu écologique de Okkiyam Maduvu : 14 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 3 types (connectance 19.0%, filtre Serrano α=0.2). 9 bulles taxonomiques (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
3km
Max discharge
1,4m³/s
Max Strahler
2
Segments matched
4
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.