Corredor Nevados de Chillán- Laguna del Laja
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 2011
5 717 km²
Commune · CHL
San Fabián
Chile
CsbTemperate, dry summer, warm summer(66 %)
Species observed
542
Observations
5 312
Area
1 540,1km²
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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de San Fabián : 26 espèces reliées par 41 interactions GloBI sur 4 types (connectance 5.8%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
41
Connectance
0.058
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
542 distinct species · 5 312 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
7,3°C
Annual rain
2 670mm
Warmest m°
21,4°C
Coldest m°
-2,8°C
Elevation: 1 413 m on average (min 288 m, max 2 370 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
7,3°C
Annual rain
2 670mm
Warmest month
21,4°C
Coldest month
-2,8°C
Mean alt.
1 413m
Min
288m
Max
2 370m
Std. dev.
502m
Köppen-Geiger (dominant)
CsbTemperate, dry summer, warm summer(66 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,0
Org. C
90,0g/kg
Clay
20,9%
Sand
42,1%
Silt
36,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Punilla
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
125,1g/kg
Clay
20,9%
Sand
41,8%
Silt
37,4%
5–15 cm
pH H₂O
6,0
Org. C
85,6g/kg
Clay
20,5%
Sand
42,1%
Silt
37,4%
15–30 cm
pH H₂O
6,1
Org. C
59,3g/kg
Clay
21,4%
Sand
42,6%
Silt
36,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest30.4%
Crops3.5%
Built-up0.0%
Bare soil23.4%
Other (grassland, water…)42.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 4 lakes · 39 rivers
Hydrology metrics for this exact territory
Stream length here
423,8km
Lake surface here
0,62km²
Basins crossed
7
Max stream order
5
Max drainage
2 492km²
Discharge in basins
46,3m³/s
Mean precip.
1 096mm/an
Mean T°
9,2°C
Moisture idx
-0,03
Max snow
35%
Mean runoff
940mm/an
Mean elev. (basins)
1 165m
Watersheds crossing here
- Bassin de Río Ñublesub-area2 085,4 km²overlap1203.26 km²78%
- Bassin de Río Perquilauquénsub-area2 491,5 km²overlap329.89 km²21%
- Bassin de Río Nahuevesub-area1 689,2 km²overlap4.08 km²0%
- Bassin de Río Longavísub-area1 415 km²overlap1.27 km²0%
- Bassin de Río Neuquénsub-area1 462,7 km²overlap0.79 km²0%
- Bassin de Río Relbúnsub-area281,1 km²overlap0.43 km²0%
- Bassin de Río Guaiquivilosub-area823,2 km²overlap0.40 km²0%
Lakes (4, top by area)
Rivers / streams (39, ord ≥ 4)
- Río Perquilauquénord 5len here60.34 km20%total308 km
- Río Ñubleord 6len here43.91 km22%total201 km
- Río La Zorraord 3len here28.73 km100%total29 km
- Río Gonzálezord 4len here28.00 km100%total28 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 de Las Tragediasord 2len here14.41 km100%total14 km
- Estero grandeord 3len here14.20 km100%total14 km
- Estero Laraord 2len here13.89 km100%total14 km
- Río Bullileoord 5len here13.79 km98%total14 km
- Estero de Piedrasord 5len here12.50 km99%total13 km
27 more river segmentssorted by Strahler order + length
- 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
- Quebrada Principalord 5len here8.96 km86%total10 km
- Estero Vallejosord 2len here8.05 km100%total8 km
- Río Blancoord 1len here7.73 km100%total8 km
- Quebrada Los Panulesord 2len here7.26 km100%total7 km
- Estero Los Tábanosord 2len here6.91 km94%total7 km
- Estero Las Diucasord 2len here6.84 km100%total7 km
- Quebrada El Chivatoord 4len here6.41 km100%total6 km
- Estero Los Rabonesord 3len here5.98 km100%total6 km
- Estero La Cajuelaord 1len here5.85 km100%total6 km
- Quebrada La Puertaord 2len here5.33 km100%total5 km
- Estero Cajón del Toroord 2len here5.21 km100%total5 km
- Quebrada Tábanosord 1len here4.34 km99%total4 km
- Estero Palo Secoord 1len here3.90 km100%total4 km
- Estero Los Coltrohuesord 2len here3.06 km94%total3 km
- Estero La Luisaord 2len here3.00 km100%total3 km
- Estero Los Pacosord 3len here2.62 km100%total3 km
- Río Las Minasord 4len here2.60 km18%total14 km
- Arroyo Maravillasord 1len here2.27 km100%total2 km
- Estero Marantoord 1len here1.68 km100%total2 km
- Quebrada El Cardoord 1len here1.31 km100%total1 km
- Estero La Salleord 1len here1.26 km100%total1 km
- Estero Tricahueord 3len here0.54 km7%total8 km
- Estero Los Bueyesord 3len here0.24 km2%total16 km
- Estero Renegadoord 3len here0.24 km1%total24 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
4,5%
Pesticides
8,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Applicable · 1IUCN VI · 1
Epulauquen
IUCN VITourist and Forest Provincial Reserve · 1973
309 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN