Ruisseau· 23 segments
Tons Nadi
Crosses 1 administrative regions : Dehradun
Total length
38km
Max discharge
12,8m³/s
Max Strahler
3
Segments matched
23
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- DehradunUttarakhand · India58.7 kmin this dpt
1 intersecting protected areas
Asan Conservation Reserve
IUCN IVWetland of International Importance (Ramsar Site)
1 page = 1 named river (aggregation of 23 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
148 distinct species · 448 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Tons Nadi : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 41 interactions GloBI sur 4 types (connectance 7.3%, filtre Serrano α=0.2). 7 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
38km
Max discharge
12,8m³/s
Max Strahler
3
Segments matched
23
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.