Araucarias
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 1983
11 423 km²
Commune · CHL
Alto Biobío
Chile
CsbTemperate, dry summer, warm summer(54 %)
Species observed
932
Observations
5 917
Area
2 123,2km²
Ecological tissue
Sample of 43 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 Alto Biobío : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 6 types (connectance 4.0%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
45
Interactions affichées
40
Connectance
0.040
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
932 distinct species · 5 917 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
6,0°C
Annual rain
2 692mm
Warmest m°
20,2°C
Coldest m°
-3,6°C
Elevation: 1 455 m on average (min 384 m, max 2 862 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
6,0°C
Annual rain
2 692mm
Warmest month
20,2°C
Coldest month
-3,6°C
Mean alt.
1 455m
Min
384m
Max
2 862m
Std. dev.
409m
Köppen-Geiger (dominant)
CsbTemperate, dry summer, warm summer(54 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,8
Org. C
101,2g/kg
Clay
25,3%
Sand
35,0%
Silt
39,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Bío-Bío
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,8
Org. C
143,0g/kg
Clay
25,2%
Sand
35,0%
Silt
39,7%
5–15 cm
pH H₂O
5,8
Org. C
101,6g/kg
Clay
25,0%
Sand
35,2%
Silt
39,9%
15–30 cm
pH H₂O
5,8
Org. C
59,0g/kg
Clay
25,7%
Sand
34,8%
Silt
39,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest43.4%
Crops1.5%
Built-up0.0%
Bare soil17.8%
Other (grassland, water…)37.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology14 basins · 7 lakes · 34 rivers
Hydrology metrics for this exact territory
Stream length here
480,0km
Lake surface here
5,88km²
Basins crossed
14
Max stream order
5
Max drainage
7 944km²
Discharge in basins
269,7m³/s
Mean precip.
1 532mm/an
Mean T°
7,8°C
Moisture idx
0,26
Max snow
31%
Mean runoff
1 141mm/an
Mean elev. (basins)
1 446m
Watersheds crossing here
- Bassin de Río Queucosub-area1 016,8 km²overlap1003.04 km²47%
- Bassin de Río Chaviquinsub-area742,6 km²overlap737.12 km²35%
- Bassin de Río Biobíosub-area703,1 km²overlap359.60 km²17%
- Bassin de Río Biobíosub-area1 115,6 km²overlap8.49 km²0%
- Bassin de Río Biobíosub-area1 248,4 km²overlap4.43 km²0%
- Bassin de Río Duquecosub-area1 583,9 km²overlap2.11 km²0%
- Bassin de Arroyo Hualcupénsub-area908,4 km²overlap2.09 km²0%
- Bassin de Río Biobíosub-area3,1 km²overlap1.78 km²0%
- Bassin de Arroyo Yumu Yumusub-area342,8 km²overlap1.51 km²0%
5 more basinssorted by overlap
Lakes (7, top by area)
Rivers / streams (34, ord ≥ 4)
- Río Queucoord 4len here107.10 km100%total107 km
- Río Chaviquinord 3len here54.05 km100%total54 km
- Río Lomínord 4len here50.59 km100%total51 km
- Río Biobíoord 6len here36.65 km6%total641 km
- Río Ralcoord 3len here26.82 km100%total27 km
- Río Chaquilvínord 3len here21.80 km100%total22 km
- Río Infiernillo o Curamallínord 3len here18.99 km100%total19 km
- Río Otuéord 2len here18.07 km100%total18 km
- Río Cauñicúord 2len here17.26 km100%total17 km
- Río Llayord 2len here13.64 km100%total14 km
- Río Mallaord 2len here10.23 km99%total10 km
- Estero Pirquincoord 5len here9.35 km76%total12 km
22 more river segmentssorted by Strahler order + length
- Estero Saltillo Los Mellizosord 1len here9.33 km100%total9 km
- Estero Huelónord 1len here7.78 km100%total8 km
- Río Quepucaord 2len here7.44 km100%total7 km
- Estero La Mulaord 2len here6.62 km56%total12 km
- Estero Pelahuencoord 1len here5.70 km100%total6 km
- Estero Vilcuncuraord 2len here5.47 km100%total5 km
- Río Quillaicahueord 3len here4.97 km100%total5 km
- Estero Azul Chicoord 1len here4.89 km100%total5 km
- Estero Tropelhuénord 4len here4.84 km100%total5 km
- Estero Ñirecoord 5len here4.70 km93%total5 km
- EStero El Quemadoord 2len here4.54 km100%total5 km
- Quebrada Copahueord 2len here4.28 km100%total4 km
- Estero Los Pinosord 3len here3.98 km100%total4 km
- Estero Ñirehuecoord 2len here3.88 km100%total4 km
- Estero Malal Grandeord 1len here3.57 km100%total4 km
- Estero Loncotahueord 1len here3.56 km100%total4 km
- Estero El Bueyord 5len here3.22 km78%total4 km
- Estero Chancamalalord 2len here2.83 km100%total3 km
- Estero El Avellanoord 1len here1.75 km100%total2 km
- Estero Pilunchayaord 1len here1.51 km100%total2 km
- Arroyo Blancoord 5len here0.64 km1%total125 km
- Estero Mapotrelord 2len here≈ tangenttotal5 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
3,5%
Pesticides
18,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN Not Applicable · 2IUCN II · 1IUCN Not Reported · 1
Corredor Nevados de Chillán- Laguna del Laja
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 2011
5 717 km²
Copahue Caviahue
IUCN IIProvincial Park · 1962
288 km²
Ralco
IUCN Not ReportedNational Reserve · 1988
129 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN