Rivière
Nilayur Kaalvaai
Crosses 1 administrative regions : Madurai
Total length
39km
Max discharge
35,7m³/s
Max Strahler
4
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- MaduraiTamil Nadu · India10.6 kmin this dpt
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
135 distinct species · 1 937 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Nilayur Kaalvaai : 23 espèces reliées par 44 interactions GloBI sur 3 types (connectance 8.9%, 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
39km
Max discharge
35,7m³/s
Max Strahler
4
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.