National Reserve · ARG
Los Alerces
- Area
- 714 km²
- IUCN cat.
- VI
- Year
- 1937
Overview
- Designation
- National Reserve
- IUCN category
- VI · Aire protégée avec utilisation durable
Conservation + utilisation durable des ressources
- Established
- 1937
- Managing authority
- Administración de Parques Nacionales
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
446 distinct species · 3 780 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 48 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 Los Alerces : 40 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 44 interactions GloBI sur 5 types (connectance 3.9%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology4 basins · 7 lakes · 24 rivers
Hydrology metrics for this exact territory
Stream length here
150,2km
Lake surface here
38,62km²
Basins crossed
4
Max stream order
6
Max drainage
7 445km²
Discharge in basins
117,0m³/s
Mean precip.
1 113mm/an
Mean T°
6,2°C
Moisture idx
0,21
Max snow
35%
Mean runoff
1 261mm/an
Mean elev. (basins)
1 056m
Watersheds crossing here
Lakes (7, top by area)
Rivers / streams (24, ord ≥ 4)
- Río Futaleufúord 6len here21.18 km11%total186 km
- Chicoord 6len here15.64 km94%total17 km
- Desaguaderoord 3len here14.32 km83%total17 km
- Arroyo Calihuelord 4len here13.55 km100%total14 km
- Los Cohiuesord 1len here10.85 km99%total11 km
- Río Centinelaord 2len here10.74 km78%total14 km
- Rañintoord 3len here9.23 km100%total9 km
- Arroyo Huemulord 2len here6.74 km28%total24 km
- Arroyo La Guachaord 3len here6.48 km94%total7 km
- Arroyo Blancoord 2len here6.39 km20%total33 km
- El Encuentroord 1len here6.13 km79%total8 km
- Arroyo Fontanaord 3len here4.91 km26%total19 km
12 more river segmentssorted by Strahler order + length
- Arroyo de La Sierraord 3len here4.66 km73%total6 km
- Río Freyord 5len here4.14 km11%total38 km
- Río Rivadaviaord 4len here3.72 km56%total7 km
- Calihuelord 3len here3.49 km100%total3 km
- Arroyo H. Irigoyenord 1len here2.79 km34%total8 km
- Usinaord 2len here1.86 km36%total5 km
- Río Arrayanesord 5len here1.69 km23%total7 km
- Río Nalcaderoord 1len here1.33 km100%total1 km
- Arroyo Coronadoord 3len here0.28 km2%total15 km
- Blancoord 2len here0.07 km0%total19 km
- Bagilltord 2len here≈ tangenttotal2 km
- Huemulord 2len here≈ tangenttotal8 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- -42.88041, -71.58607
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.