Commune · CHL
Laja
Chile
Species observed
210
Observations
2 637
Area
344,9km²
Ecological tissue
Sample of 41 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 Laja : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 55 interactions GloBI sur 5 types (connectance 6.4%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
210 distinct species · 2 637 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,4°C
Annual rain
1 113mm
Warmest m°
26,3°C
Coldest m°
4,7°C
Elevation: 101 m on average (min 41 m, max 167 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
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
103,8g/kg
Clay
27,4%
Sand
32,1%
Silt
40,5%
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
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 3 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
58,6km
Lake surface here
0,86km²
Basins crossed
4
Max stream order
6
Max drainage
24 252km²
Discharge in basins
249,1m³/s
Mean precip.
1 298mm/an
Mean T°
12,4°C
Moisture idx
0,10
Max snow
5%
Mean runoff
1 233mm/an
Mean elev. (basins)
236m
Watersheds crossing here
Lakes (3, top by area)
Rivers / streams (7, ord ≥ 4)
- Río Huaquiord 4len here23.58 km31%total76 km
- Río Lajaord 5len here18.22 km9%total212 km
- Río Biobíoord 6len here15.91 km2%total641 km
- Estero Paso Cerradoord 1len here0.64 km6%total10 km
- Estero Arco Blancoord 6len here0.25 km17%total1 km
- Estero Quilqueord 2len here0.03 km0%total23 km
- Río Rarincoord 4len here≈ tangenttotal32 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
1,0nW
Built-up
54,3%
Pesticides
47,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)