Rivière· 26 segments
Río Ñirihuau
Crosses 2 administrative regions : Bariloche, Pilcaniyeu
Total length
62km
Max discharge
18,3m³/s
Max Strahler
4
Segments matched
26
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- BarilocheRío Negro · Argentina58.5 kmin this dpt
- PilcaniyeuRío Negro · Argentina32.8 kmin this dpt
2 intersecting protected areas
Andino Norpatagónica
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
Nahuel Huapi
IUCN VINational Reserve
1 page = 1 named river (aggregation of 26 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
112 distinct species · 612 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Río Ñirihuau : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 2 types (connectance 8.6%, 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
62km
Max discharge
18,3m³/s
Max Strahler
4
Segments matched
26
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.