Ontologia

Commune · CHL

Nancagua

Chile

CsaTemperate, dry summer, hot summer(64 %)

Species observed

183

Observations

1 850

Area

150,7km²

Ecological tissue

Sample of 30 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 Nancagua : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 5 types (connectance 7.7%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
38
Connectance
0.077
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

183 distinct species · 1 850 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 850 obs · 5 cellules
Obs. / cellule
≥ 941
941–940
523–940
158–522
< 158

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

Climate

Mean T°

14,6°C

Annual rain

794mm

Warmest m°

28,6°C

Coldest m°

3,9°C

Elevation: 324 m on average (min 174 m, max 1 016 m)

Bioclimatic detailsExpert
Annual mean temp.
14,6°C
Annual rain
794mm
Warmest month
28,6°C
Coldest month
3,9°C
Mean alt.
324m
Min
174m
Max
1 016m
Std. dev.
177m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(64 %)Temperate

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

Soil & lithology

pH H₂O

6,3

Org. C

46,0g/kg

Clay

21,1%

Sand

46,9%

Silt

31,9%

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

Dominant lithology: paGLiMaggregated to Colchagua

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
69,1g/kg
Clay
20,2%
Sand
47,5%
Silt
32,3%
5–15 cm
pH H₂O
6,3
Org. C
40,4g/kg
Clay
21,0%
Sand
47,0%
Silt
31,9%
15–30 cm
pH H₂O
6,3
Org. C
28,4g/kg
Clay
22,1%
Sand
46,3%
Silt
31,5%

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

Land cover

Forest19.0%
Crops30.8%
Built-up1.1%
Bare soil2.0%
Other (grassland, water…)47.1%

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

Hydrology2 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

44,6km

Basins crossed

2

Max stream order

4

Max drainage

2 227km²

Discharge in basins

3,7m³/s

Mean precip.

892mm/an

Mean T°

11,2°C

Moisture idx

-0,25

Max snow

13%

Mean runoff

460mm/an

Mean elev. (basins)

968m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

1,7nW

Built-up

114,7%

Pesticides

56,4kg/km²

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