Ontologia

Commune · CHL

Chillán Viejo

Chile

CsbTemperate, dry summer, warm summer(100 %)

Species observed

229

Observations

1 732

Area

263,2km²

Ecological tissue

Sample of 45 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 Chillán Viejo : 38 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 58 interactions GloBI sur 5 types (connectance 5.9%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
58
Connectance
0.059
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

229 distinct species · 1 732 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 732 obs · 10 cellules
Obs. / cellule
≥ 883
883–882
127–882
65–126
< 65

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

13,5°C

Annual rain

1 347mm

Warmest m°

26,8°C

Coldest m°

4,4°C

Elevation: 101 m on average (min 56 m, max 193 m)

Bioclimatic detailsExpert
Annual mean temp.
13,5°C
Annual rain
1 347mm
Warmest month
26,8°C
Coldest month
4,4°C
Mean alt.
101m
Min
56m
Max
193m
Std. dev.
30m
Köppen-Geiger (dominant)
CsbTemperate, dry summer, warm summer(100 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,2

Org. C

67,5g/kg

Clay

26,4%

Sand

35,3%

Silt

38,3%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: paGLiMaggregated to Diguillín

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
94,9g/kg
Clay
25,3%
Sand
35,8%
Silt
38,9%
5–15 cm
pH H₂O
6,2
Org. C
63,5g/kg
Clay
26,3%
Sand
35,3%
Silt
38,4%
15–30 cm
pH H₂O
6,2
Org. C
44,0g/kg
Clay
27,7%
Sand
34,8%
Silt
37,5%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest22.3%
Crops30.7%
Built-up0.9%
Bare soil1.9%
Other (grassland, water…)44.1%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology3 basins · 0 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

86,5km

Basins crossed

3

Max stream order

3

Max drainage

4 883km²

Discharge in basins

10,7m³/s

Mean precip.

1 178mm/an

Mean T°

11,7°C

Moisture idx

-0,01

Max snow

6%

Mean runoff

929mm/an

Mean elev. (basins)

483m

Watersheds crossing here

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

1hab/km²

Night light

1,6nW

Built-up

90,6%

Pesticides

56,3kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)