Lauca (RB)
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 1981
3 587 km²
Commune · CHL
Colchane
Chile
BWkArid, desert, cold(60 %)
Species observed
252
Observations
6 521
Area
3 967,5km²
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 Colchane : 21 espèces reliées par 34 interactions GloBI sur 3 types (connectance 7.3%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
31
Interactions affichées
34
Connectance
0.073
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
252 distinct species · 6 521 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
5,1°C
Annual rain
437mm
Warmest m°
14,3°C
Coldest m°
-4,0°C
Elevation: 4 207 m on average (min 3 657 m, max 5 715 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
5,1°C
Annual rain
437mm
Warmest month
14,3°C
Coldest month
-4,0°C
Mean alt.
4 207m
Min
3 657m
Max
5 715m
Std. dev.
350m
Köppen-Geiger (dominant)
BWkArid, desert, cold(60 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,4
Org. C
19,0g/kg
Clay
17,2%
Sand
59,4%
Silt
23,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Tamarugal
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,3
Org. C
22,7g/kg
Clay
15,8%
Sand
61,0%
Silt
23,2%
5–15 cm
pH H₂O
7,4
Org. C
18,8g/kg
Clay
17,3%
Sand
59,3%
Silt
23,3%
15–30 cm
pH H₂O
7,5
Org. C
15,5g/kg
Clay
18,5%
Sand
58,0%
Silt
23,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest0.2%
Crops0.3%
Built-up0.0%
Bare soil58.2%
Other (grassland, water…)41.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology17 basins · 1 lakes · 39 rivers
Hydrology metrics for this exact territory
Stream length here
657,6km
Lake surface here
0,81km²
Basins crossed
17
Max stream order
4
Max drainage
4 408km²
Discharge in basins
0,2m³/s
Mean precip.
177mm/an
Mean T°
5,2°C
Moisture idx
-0,84
Max snow
2%
Mean runoff
1mm/an
Mean elev. (basins)
3 997m
Watersheds crossing here
- Bassin de Quebrada Toronisub-area1 663,5 km²overlap1643.40 km²41%
- Bassin de Río Islugasub-area771,1 km²overlap718.75 km²18%
- Bassin de Quebrada de Aromasub-area2 704,9 km²overlap349.75 km²9%
- Bassin de Rio Sabayasub-area2 598,8 km²overlap341.55 km²9%
- Bassin de Quebrada de Camiñasub-area304,4 km²overlap299.90 km²8%
- Bassin de Estero Montecarabisub-area459 km²overlap285.36 km²7%
- Bassin de Quebrada Maimajasub-area101,6 km²overlap101.28 km²3%
- Bassin de Quebrada de Retamillasub-area1 300 km²overlap99.60 km²3%
- Bassin de Rio Chuñu Chuñunisub-area1 037,6 km²overlap90.34 km²2%
8 more basinssorted by overlap
- Bassin de Río Cancosasub-area1 649 km²overlap10.59 km²0%
- Bassin de Quebrada de Camiñasub-area353,6 km²overlap10.47 km²0%
- Bassin de Quebrada Huaijatasub-area586,3 km²overlap6.40 km²0%
- Bassin de Quebrada Cutijmallasub-area2 272,1 km²overlap6.00 km²0%
- Bassin de Río Caritayasub-area431,9 km²overlap2.43 km²0%
- Bassin de Quebrada de Tarapacásub-area891,8 km²overlap1.47 km²0%
- Basin #94730sub-area476,2 km²overlap0.15 km²0%
- Bassin de Río Chancacollasub-area455,4 km²overlap0.09 km²0%
Lakes (1, top by area)
Rivers / streams (39, ord ≥ 4)
- Río Islugaord 2len here69.04 km100%total69 km
- Río Sitaniord 4len here47.64 km100%total48 km
- Quebrada Chichuraord 3len here37.99 km100%total38 km
- Quebrada de Camiñaord 5len here30.48 km17%total177 km
- Estero Montecarabiord 2len here28.12 km98%total29 km
- Quebrada Toroniord 4len here27.65 km100%total28 km
- Quebrada Casoxallaord 2len here26.90 km100%total27 km
- Río Grandeord 6len here24.95 km11%total225 km
- Quebrada Upilaord 4len here22.82 km100%total23 km
- Quebrada Sisoord 4len here21.37 km100%total21 km
- Quebrada Estero Puchultisaord 2len here20.37 km82%total25 km
- Río Todos Santosord 4len here19.19 km29%total66 km
27 more river segmentssorted by Strahler order + length
- Quebrada Arroyo Sencataord 2len here19.16 km100%total19 km
- Quebrada Secaord 2len here18.54 km88%total21 km
- Quebrada Quinutaord 3len here18.46 km100%total18 km
- Quebrada Caicoord 2len here17.37 km100%total17 km
- Quebrada Guarcaquaord 2len here16.41 km100%total16 km
- Quebrada Caytriord 1len here15.80 km100%total16 km
- Quebrada Quenizaord 3len here15.55 km100%total16 km
- Quebrada Chococolloaniord 3len here14.83 km100%total15 km
- Quebrada Luqueriord 2len here13.13 km100%total13 km
- Quebrada Maimajaord 2len here12.80 km100%total13 km
- Quebrada Pachixaord 3len here12.67 km100%total13 km
- Quebrada Aquilaxoord 3len here12.39 km100%total12 km
- Quebrada Panavintoord 1len here12.27 km100%total12 km
- Quebrada Sajallaord 2len here11.77 km100%total12 km
- Quebrada Soracaguaord 2len here11.49 km100%total12 km
- Quebrada Guancaord 2len here10.49 km100%total11 km
- Quebrada Llunhuiriord 2len here10.39 km100%total10 km
- Quebrada Challavilqueord 2len here9.94 km100%total10 km
- Quebrada Coicoord 1len here8.38 km100%total8 km
- Quebrada Tipaord 2len here6.84 km100%total7 km
- Quebrada Chelaniord 1len here3.51 km100%total4 km
- Quebrada Guaillaneord 1len here3.10 km100%total3 km
- Quebrada Quisihidehiriord 1len here2.22 km100%total2 km
- Quebrada Alsureord 1len here1.33 km100%total1 km
- Quebrada de Aromaord 4len here1.29 km1%total147 km
- Quebrada Taiplcolloord 1len here0.66 km100%total1 km
- Quebrada de Macurquimaord 3len here0.33 km2%total22 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
0,6%
Pesticides
1,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 2IUCN Not Applicable · 1
Las Vicuñas
IUCN Not ReportedNational Reserve · 1983
2 079 km²
Volcan Isluga
IUCN Not ReportedNational Park · 1967
1 697 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN