UNESCO-MAB Biosphere Reserve · chl
Corredor Nevados de Chillán- Laguna del Laja
- Area
- 5 717 km²
- IUCN cat.
- Not Applicable
- Year
- 2011
Overview
- Designation
- UNESCO-MAB Biosphere Reserve
- Established
- 2011
- Managing authority
- Corporación Nacional Forestal (CONAF)
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 982 distinct species · 38 190 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Corredor Nevados de Chillán- Laguna del Laja : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 37 interactions GloBI sur 5 types (connectance 5.3%, 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).
Hydrology17 basins · 15 lakes · 81 rivers
Hydrology metrics for this exact territory
Stream length here
1 200,1km
Lake surface here
68,20km²
Basins crossed
17
Max stream order
5
Max drainage
4 498km²
Discharge in basins
238,6m³/s
Mean precip.
1 188mm/an
Mean T°
8,6°C
Moisture idx
0,06
Max snow
35%
Mean runoff
1 015mm/an
Mean elev. (basins)
1 238m
Watersheds crossing here
- Bassin de Río Ñublesub-area2 085,4 km²overlap1723.50 km²30%
- Bassin de Estero Pichicoyahuesub-area1 182,2 km²overlap1174.61 km²21%
- Bassin de Río Diguillínsub-area4 497,4 km²overlap1048.69 km²18%
- Bassin de Río Polcurasub-area907,3 km²overlap905.06 km²16%
- Bassin de Río Catosub-area947,8 km²overlap341.67 km²6%
- Bassin de Río Lajasub-area411,6 km²overlap234.63 km²4%
- Bassin de Río Chillánsub-area795,4 km²overlap197.34 km²3%
- Bassin de Río Rucuésub-area237,8 km²overlap67.85 km²1%
- Bassin de Río Nahuevesub-area1 689,2 km²overlap8.06 km²0%
8 more basinssorted by overlap
- Bassin de Río Trocománsub-area2 031,6 km²overlap5.18 km²0%
- Bassin de Río Queucosub-area1 016,8 km²overlap3.16 km²0%
- Bassin de Río Perquilauquénsub-area2 491,5 km²overlap3.11 km²0%
- Bassin de Río Duquecosub-area1 583,9 km²overlap2.00 km²0%
- Bassin de Río Longavísub-area1 415 km²overlap0.87 km²0%
- Bassin de Río Neuquénsub-area1 462,7 km²overlap0.71 km²0%
- Bassin de Río Relbúnsub-area281,1 km²overlap0.44 km²0%
- Bassin de Río Guaiquivilosub-area823,2 km²overlap0.41 km²0%
Lakes (15, top by area)
- Lajarea64,9 km²avg depth67.1 m
- Lac 1111841area0,9 km²avg depth9.6 m
- Lac 1111921area0,3 km²avg depth9.3 m
- Lac 1111857area0,3 km²avg depth8.2 m
- Lac 1111542area0,2 km²avg depth7.5 m
- Lac 1111845area0,2 km²avg depth6.1 m
- Lac 1111804area0,2 km²avg depth7.0 m
- Lac 1111898area0,2 km²avg depth7.9 m
- Lac 1111884area0,2 km²avg depth6.3 m
Rivers / streams (81, ord ≥ 4)
- Río Polcuraord 5len here116.74 km100%total117 km
- Río Ñubleord 6len here89.26 km44%total201 km
- Río Cholguánord 4len here72.31 km58%total126 km
- Río Diguillínord 4len here60.07 km34%total177 km
- Río Niblintoord 2len here45.50 km71%total64 km
- Río Lajaord 5len here35.38 km17%total212 km
- Río Chillánord 3len here30.50 km28%total109 km
- Río La Zorraord 3len here28.73 km100%total29 km
- Estero Pichicoyahueord 3len here28.46 km100%total28 km
- Río Gonzálezord 4len here28.00 km100%total28 km
- Río de los Pinosord 4len here25.64 km100%total26 km
- Río Catoord 4len here24.95 km21%total120 km
69 more river segmentssorted by Strahler order + length
- Río Palpalord 2len here24.68 km33%total76 km
- Estero Renegadoord 3len here23.92 km100%total24 km
- Río Pichipolcuraord 5len here23.43 km100%total23 km
- Río Los Saucesord 4len here22.47 km100%total22 km
- Río de las Truchasord 3len here20.92 km100%total21 km
- Río Salitreord 3len here20.57 km100%total21 km
- Estero San Joséord 2len here19.05 km64%total30 km
- Río Renegadoord 3len here18.79 km100%total19 km
- Río Trilaleoord 3len here18.45 km36%total51 km
- Estero Temucoord 3len here15.83 km20%total78 km
- Río Rucuéord 5len here15.73 km27%total59 km
- Río Las Minasord 4len here14.43 km100%total14 km
- Estero de Las Tragediasord 2len here14.41 km100%total14 km
- Río Bullileoord 5len here14.14 km100%total14 km
- Estero El Bolsicoord 3len here13.96 km100%total14 km
- Río Blanquilloord 2len here13.92 km100%total14 km
- Estero Laraord 2len here13.89 km100%total14 km
- Estero de Piedrasord 5len here12.65 km100%total13 km
- Canal de Aducción Lajaord 3len here12.05 km100%total12 km
- Estero El Toroord 2len here10.72 km100%total11 km
- Quebrada Principalord 5len here10.42 km100%total10 km
- Estero El Quebradoord 2len here10.41 km100%total10 km
- Estero de Chureoord 3len here9.92 km100%total10 km
- Río Huemulesord 2len here9.51 km100%total10 km
- Estero La Zorraord 2len here9.07 km100%total9 km
- Estero El Aguada o El Volcánord 2len here8.92 km100%total9 km
- Estero Vallejosord 2len here8.05 km100%total8 km
- Río Blancoord 1len here7.73 km100%total8 km
- Río Dañicalquiord 2len here7.69 km9%total82 km
- Río Mancoord 3len here7.68 km22%total35 km
- Estero Los Pajaritosord 2len here7.37 km100%total7 km
- Estero Los Tábanosord 2len here7.35 km100%total7 km
- Quebrada Los Panulesord 2len here7.26 km100%total7 km
- Estero Peladillasord 2len here7.26 km45%total16 km
- Estero Las Damasord 2len here7.16 km100%total7 km
- Estero de Trapatrapaord 2len here7.15 km100%total7 km
- Río Relbúnord 2len here6.87 km19%total37 km
- Estero Las Diucasord 2len here6.84 km100%total7 km
- Estero Piernas Blancasord 1len here6.43 km100%total6 km
- Quebrada El Chivatoord 4len here6.41 km100%total6 km
- Canal de aducción Central Abanicoord 1len here6.35 km100%total6 km
- Estero Atravesadoord 1len here6.33 km100%total6 km
- Estero Los Rabonesord 3len here5.98 km100%total6 km
- Estero La Cajuelaord 1len here5.85 km100%total6 km
- Canal Zañartuord 2len here5.72 km13%total43 km
- Estero Los Guindosord 1len here5.51 km100%total6 km
- Quebrada La Puertaord 2len here5.33 km100%total5 km
- Estero Cajón del Toroord 2len here5.21 km100%total5 km
- Quebrada El Feoord 1len here4.94 km100%total5 km
- Estero Malalcuraord 5len here4.90 km100%total5 km
- Río Trubunleoord 1len here4.84 km100%total5 km
- Río Rucueord 3len here4.62 km42%total11 km
- Quebrada El Chicoord 1len here4.47 km100%total4 km
- Quebrada Tábanosord 1len here4.36 km100%total4 km
- Canal de Aducción Comúnord 1len here4.29 km100%total4 km
- Estero Palo Secoord 1len here3.90 km100%total4 km
- Estero grandeord 3len here3.84 km27%total14 km
- Estero Los Coltrohuesord 2len here3.26 km100%total3 km
- Río Huépilord 3len here3.02 km7%total41 km
- Estero La Luisaord 2len here3.00 km100%total3 km
- Estero Pangueord 1len here2.81 km100%total3 km
- Estero Los Pacosord 3len here2.62 km100%total3 km
- Arroyo Maravillasord 1len here2.27 km100%total2 km
- Estero Marantoord 1len here1.68 km100%total2 km
- Tabacoord 1len here1.62 km100%total2 km
- Quebrada El Cardoord 1len here1.31 km100%total1 km
- Estero La Salleord 1len here1.26 km100%total1 km
- Estero Relbuncoord 2len here0.90 km6%total16 km
- Quebrada Mallín de las Yeguasord 1len here0.89 km100%total1 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
- -37.01015, -71.45123
- 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.