Ontologia

Province · CHL

Bío-Bío

Chile

CsbTemperate, dry summer, warm summer(85 %)

Species observed

2 322

Observations

46 260

Area

15 045,8km²

Ecological tissue

Sample of 33 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 Bío-Bío : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 32 interactions GloBI sur 5 types (connectance 5.7%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
32
Connectance
0.057
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

2 322 distinct species · 46 260 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

46 260 obs · 440 cellules
Obs. / cellule
≥ 1 335
249–1 334
63–248
19–62
< 19

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

Climate

Mean T°

9,9°C

Annual rain

2 222mm

Warmest m°

22,9°C

Coldest m°

0,8°C

Elevation: 756 m on average (min 41 m, max 2 936 m)

Bioclimatic detailsExpert
Annual mean temp.
9,9°C
Annual rain
2 222mm
Warmest month
22,9°C
Coldest month
0,8°C
Mean alt.
756m
Min
41m
Max
2 936m
Std. dev.
634m
Köppen-Geiger (dominant)
CsbTemperate, dry summer, warm summer(85 %)Temperate

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

Soil & lithology

pH H₂O

5,9

Org. C

94,2g/kg

Clay

29,4%

Sand

30,4%

Silt

40,2%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
129,3g/kg
Clay
29,2%
Sand
30,6%
Silt
40,2%
5–15 cm
pH H₂O
5,9
Org. C
90,7g/kg
Clay
28,9%
Sand
30,7%
Silt
40,4%
15–30 cm
pH H₂O
5,9
Org. C
62,7g/kg
Clay
30,0%
Sand
30,0%
Silt
40,0%

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

Land cover

Forest43.8%
Crops14.0%
Built-up0.2%
Bare soil7.6%
Other (grassland, water…)34.4%

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

Hydrology39 basins · 32 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

3 125,9km

Lake surface here

79,30km²

Basins crossed

39

Max stream order

6

Max drainage

24 252km²

Discharge in basins

3 359,4m³/s

Mean precip.

1 438mm/an

Mean T°

10,3°C

Moisture idx

0,18

Max snow

31%

Mean runoff

1 195mm/an

Mean elev. (basins)

769m

Watersheds crossing here

30 more basins

Lakes (32, top by area)

23 more lakes

Rivers / streams (100, ord ≥ 4)

88 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

23,3%

Pesticides

34,8kg/km²

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

Protected areas11

IUCN Not Reported · 8IUCN Not Applicable · 2IUCN II · 1

Araucarias

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1983

11 423 km²

Ñuble

IUCN Not Reported

National Reserve · 1979

741 km²

Nalcas

IUCN Not Reported

National Reserve · 1967

203 km²

Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations14