Ruisseau· 26 segments
Arroyo Ñancay
Crosses 2 administrative regions : Gualeguaychú, Islas del Ibicuy
Total length
102km
Max discharge
18,1m³/s
Max Strahler
3
Segments matched
26
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- GualeguaychúEntre Ríos · Argentina84.3 kmin this dpt
- Islas del IbicuyEntre Ríos · Argentina40.1 kmin this dpt
1 page = 1 named river (aggregation of 26 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
322 distinct species · 41 252 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 Arroyo Ñancay : 19 espèces reliées par 22 interactions GloBI sur 3 types (connectance 8.7%, filtre Serrano α=0.2). 4 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
102km
Max discharge
18,1m³/s
Max Strahler
3
Segments matched
26
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.