Rivière· 119 segments
Ponnaiyar
Crosses 7 administrative regions : Bangalore, Bangalore Rural, Cuddalore, Dharmapuri, Krishnagiri +2
Total length
282km
Max discharge
53m³/s
Max Strahler
5
Segments matched
119
River geography7 admin regions · 0 communes
7 administrative regions crossed (GADM L2)
- ViluppuramTamil Nadu · India197.1 kmin this dpt
- KrishnagiriTamil Nadu · India172.6 kmin this dpt
- TiruvannamalaiTamil Nadu · India88.4 kmin this dpt
- DharmapuriTamil Nadu · India35.5 kmin this dpt
- CuddaloreTamil Nadu · India22.8 kmin this dpt
- BangaloreKarnataka · India16.3 kmin this dpt
- Bangalore RuralKarnataka · India10.6 kmin this dpt
1 page = 1 named river (aggregation of 119 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
42 distinct species · 55 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 12 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 Ponnaiyar : 10 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 13 interactions GloBI sur 3 types (connectance 19.7%, filtre Serrano α=0.2). 2 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
282km
Max discharge
53,0m³/s
Max Strahler
5
Segments matched
119
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.