Alerce Costero
IUCN Not ReportedNational Park · 2010
248 km²
Commune · CHL
La Unión
Chile
CsbTemperate, dry summer, warm summer(52 %)
Species observed
1 151
Observations
36 407
Area
2 130,7km²
Ecological tissue
Sample of 51 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 La Unión : 43 espèces reliées par 54 interactions GloBI sur 5 types (connectance 4.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
51
Interactions affichées
54
Connectance
0.042
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
1 151 distinct species · 36 407 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,5°C
Annual rain
2 102mm
Warmest m°
20,1°C
Coldest m°
3,7°C
Elevation: 268 m on average (min -5 m, max 989 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,5°C
Annual rain
2 102mm
Warmest month
20,1°C
Coldest month
3,7°C
Mean alt.
268m
Min
-5m
Max
989m
Std. dev.
224m
Köppen-Geiger (dominant)
CsbTemperate, dry summer, warm summer(52 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,4
Org. C
130,3g/kg
Clay
28,8%
Sand
35,2%
Silt
36,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Ranco
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,3
Org. C
166,0g/kg
Clay
27,9%
Sand
36,1%
Silt
35,9%
5–15 cm
pH H₂O
5,4
Org. C
129,5g/kg
Clay
28,7%
Sand
35,0%
Silt
36,3%
15–30 cm
pH H₂O
5,4
Org. C
95,4g/kg
Clay
29,7%
Sand
34,5%
Silt
35,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest68.3%
Crops13.3%
Built-up0.1%
Bare soil0.2%
Other (grassland, water…)18.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology11 basins · 2 lakes · 19 rivers
Hydrology metrics for this exact territory
Stream length here
399,5km
Lake surface here
25,07km²
Basins crossed
11
Max stream order
7
Max drainage
15 089km²
Discharge in basins
767,2m³/s
Mean precip.
1 901mm/an
Mean T°
10,3°C
Moisture idx
0,50
Max snow
23%
Mean runoff
1 193mm/an
Mean elev. (basins)
283m
Watersheds crossing here
- Bassin de Río Futasub-area1 887,7 km²overlap741.01 km²35%
- Bassin de Río Buenosub-area895 km²overlap534.30 km²25%
- Bassin de Río Llollelhuesub-area802,8 km²overlap438.73 km²21%
- Bassin de Río Buenosub-area962,2 km²overlap274.92 km²13%
- Bassin de Río Buenosub-area242,8 km²overlap53.35 km²3%
- Bassin de Río Curringuesub-area2 610,9 km²overlap45.36 km²2%
- Bassin de Río Calle Callesub-area1 068,3 km²overlap28.93 km²1%
- Bassin de Río Buenosub-area11,5 km²overlap10.39 km²0%
- Bassin de Río Nilahuesub-area980,2 km²overlap3.30 km²0%
2 more basinssorted by overlap
Lakes (2, top by area)
Rivers / streams (19, ord ≥ 4)
- Río Buenoord 7len here98.36 km54%total182 km
- Río Futaord 4len here49.72 km50%total99 km
- Río Colúnord 3len here43.37 km97%total45 km
- Río Traiguénord 3len here40.94 km100%total41 km
- Río Llollelhueord 4len here40.93 km41%total101 km
- Río Chaihuínord 3len here24.49 km31%total80 km
- Estero La Plazaord 3len here17.54 km100%total18 km
- Estero Nisconord 3len here15.73 km96%total16 km
- Estero Futacoord 3len here14.45 km100%total14 km
- Río Ralitranord 2len here12.33 km94%total13 km
- Estero Las Trancasord 3len here9.72 km100%total10 km
- Estero Traitraiguénord 3len here9.69 km48%total20 km
7 more river segmentssorted by Strahler order + length
- Río Los Patosord 1len here7.04 km100%total7 km
- Estero Panquecoord 2len here6.65 km100%total7 km
- Estero Choroyord 3len here4.50 km90%total5 km
- Estero Cuño Cuñoord 1len here2.09 km100%total2 km
- Estero Quirquintoord 1len here1.59 km37%total4 km
- Río Ignaoord 3len here0.37 km1%total47 km
- Río Merrahueord 2len here≈ tangenttotal9 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
14,9%
Pesticides
20,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN