HydroBASINS lev08 watershed · #6080944870
Bassin de Río Ñirihuau
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 3 administrative regions : Bariloche, Los Lagos, Pilcaniyeu
Sub-basin area
1 155,7km²
Upstream area
1 155,9km²
Discharge
31,55m³/s
Mean elev.
1 155m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 777.3 km²67.2% of basin
- 356.0 km²30.8% of basin
- 24.0 km²2.1% of basin
4 intersecting protected areas
Andino Norpatagónica
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
1149.07 km² overlap
Nahuel Huapi
IUCN VINational Reserve
625.20 km² overlap
Rio Limay
IUCN VProtected Nature Area - Protected Landscape
6.71 km² overlap
Nahuel Huapi
IUCN IINational Park
1.16 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 604 distinct species · 97 839 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Bassin de Río Ñirihuau : 27 espèces reliées par 48 interactions GloBI sur 6 types (connectance 7.2%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
6,7°C
Annual rain
811mm
Moisture idx (CMI)
-0,11
Runoff
861mm/an
PET
913mm
AET
539mm
Mean slope
10,9°
Water table
459cm
Forest
26%
Crops
0%
Urban
1%
Protected
71%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)