Ontologia

Commune · CHL

Pica

Chile

BWkArid, desert, cold(91 %)

Species observed

449

Observations

9 133

Area

8 959km²

Ecological tissue

Sample of 31 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 Pica : 19 espèces reliées par 52 interactions GloBI sur 4 types (connectance 10.5%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
52
Connectance
0.105
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

449 distinct species · 9 133 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 133 obs · 148 cellules
Obs. / cellule
≥ 1 993
56–1 992
15–55
5–14
< 5

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

Climate

Mean T°

7,8°C

Annual rain

282mm

Warmest m°

15,9°C

Coldest m°

-0,7°C

Elevation: 3 585 m on average (min 1 008 m, max 5 715 m)

Bioclimatic detailsExpert
Annual mean temp.
7,8°C
Annual rain
282mm
Warmest month
15,9°C
Coldest month
-0,7°C
Mean alt.
3 585m
Min
1 008m
Max
5 715m
Std. dev.
1 061m
Köppen-Geiger (dominant)
BWkArid, desert, cold(91 %)Arid

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

Soil & lithology

pH H₂O

8,1

Org. C

14,7g/kg

Clay

17,6%

Sand

56,7%

Silt

25,7%

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

Dominant lithology: ssGLiMaggregated to Tamarugal

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
16,8g/kg
Clay
16,7%
Sand
57,8%
Silt
25,6%
5–15 cm
pH H₂O
8,1
Org. C
14,6g/kg
Clay
17,6%
Sand
56,6%
Silt
25,8%
15–30 cm
pH H₂O
8,1
Org. C
12,7g/kg
Clay
18,4%
Sand
55,8%
Silt
25,8%

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

Land cover

Forest0.0%
Crops0.1%
Built-up0.0%
Bare soil67.2%
Other (grassland, water…)32.7%

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

Hydrology24 basins · 4 lakes · 76 rivers

Hydrology metrics for this exact territory

Stream length here

1 199,0km

Lake surface here

4,91km²

Basins crossed

24

Max stream order

4

Max drainage

13 644km²

Discharge in basins

0,1m³/s

Mean precip.

68mm/an

Mean T°

7,7°C

Moisture idx

-0,94

Max snow

1%

Mean runoff

0mm/an

Mean elev. (basins)

3 347m

Watersheds crossing here

15 more basins

Lakes (4, top by area)

Rivers / streams (76, ord ≥ 4)

64 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

0,8%

Pesticides

0,1kg/km²

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

Protected areas4

IUCN Not Reported · 4

Salar del Huasco

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 1996

44 km²

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