Humedal Desembocadura del Río Itata
IUCN Not ReportedNature Sanctuary · 2022
9 km²
Province · CHL
Itata
Chile
CsbTemperate, dry summer, warm summer(100 %)
Species observed
1 193
Observations
27 709
Area
2 754,1km²
Ecological tissue
Sample of 40 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 Itata : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 39 interactions GloBI sur 5 types (connectance 4.5%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
42
Interactions affichées
39
Connectance
0.045
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
1 193 distinct species · 27 709 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,7°C
Annual rain
1 070mm
Warmest m°
24,5°C
Coldest m°
4,9°C
Elevation: 219 m on average (min -17 m, max 629 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,7°C
Annual rain
1 070mm
Warmest month
24,5°C
Coldest month
4,9°C
Mean alt.
219m
Min
-17m
Max
629m
Std. dev.
130m
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
114,1g/kg
Clay
23,0%
Sand
42,0%
Silt
35,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
131,8g/kg
Clay
22,3%
Sand
42,3%
Silt
35,4%
5–15 cm
pH H₂O
6,2
Org. C
102,9g/kg
Clay
23,1%
Sand
41,8%
Silt
35,0%
15–30 cm
pH H₂O
6,2
Org. C
107,7g/kg
Clay
23,7%
Sand
41,9%
Silt
34,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest47.7%
Crops14.6%
Built-up0.3%
Bare soil1.6%
Other (grassland, water…)35.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology9 basins · 0 lakes · 31 rivers
Hydrology metrics for this exact territory
Stream length here
514,0km
Basins crossed
9
Max stream order
6
Max drainage
11 425km²
Discharge in basins
644,6m³/s
Mean precip.
1 007mm/an
Mean T°
13,2°C
Moisture idx
-0,10
Max snow
6%
Mean runoff
738mm/an
Mean elev. (basins)
219m
Watersheds crossing here
- Bassin de Río Lonquénsub-area1 195,1 km²overlap807.25 km²29%
- Bassin de Río Itatasub-area622,2 km²overlap620.07 km²23%
- Bassin de Río Taucúsub-area1 340 km²overlap596.39 km²22%
- Bassin de Río Cauquenessub-area1 750,3 km²overlap331.01 km²12%
- Bassin de Río Itatasub-area227,1 km²overlap227.18 km²8%
- Bassin de Río Rafaelsub-area249,8 km²overlap52.06 km²2%
- Bassin de Estero Puremasub-area122 km²overlap45.80 km²2%
- Bassin de Río Changaralsub-area765,5 km²overlap44.41 km²2%
- Bassin de Río Diguillínsub-area4 497,4 km²overlap28.69 km²1%
Rivers / streams (31, ord ≥ 4)
- Río Lonquénord 4len here108.51 km78%total140 km
- Río Itataord 6len here75.90 km40%total191 km
- Estero Quinicavénord 4len here41.27 km84%total49 km
- Río Taucúord 3len here32.78 km100%total33 km
- Río Buchupureoord 2len here24.85 km100%total25 km
- Estero Santa Rosaord 4len here24.23 km100%total24 km
- Río Cobquecuraord 2len here21.62 km99%total22 km
- Estero Colmuyadoord 2len here19.31 km99%total19 km
- Estero Michay o Pichimávidaord 2len here18.60 km77%total24 km
- Río Coelemuord 3len here17.79 km100%total18 km
- Estero Guampulleord 4len here17.21 km45%total38 km
- Estero Melaord 2len here13.01 km100%total13 km
19 more river segmentssorted by Strahler order + length
- Estero Chancoord 2len here11.46 km100%total11 km
- Estero Cuchaord 5len here11.14 km73%total15 km
- Río Ñubleord 6len here10.07 km5%total201 km
- Estero Pirihuínord 6len here9.69 km100%total10 km
- Estero La Rayaord 4len here8.31 km60%total14 km
- Estero Pulilaord 2len here7.64 km100%total8 km
- Río Colmuyaoord 2len here6.44 km97%total7 km
- Estero La Raya Surord 1len here6.03 km100%total6 km
- Estero Uvas Blancasord 2len here5.38 km100%total5 km
- Estero Manquimiliuord 1len here3.58 km100%total4 km
- Estero Guairavoord 1len here2.94 km100%total3 km
- Estero Peñablancaord 2len here2.83 km21%total13 km
- Estero Quitricoord 5len here2.71 km58%total5 km
- Estero La Raya Norteord 1len here2.37 km54%total4 km
- Estero Puremaord 1len here2.34 km20%total12 km
- Estero Tregualemuord 1len here2.26 km30%total7 km
- Quebrada La Zanjaord 2len here1.82 km16%total12 km
- Quebrada Pichihuedqueord 1len here1.66 km35%total5 km
- Estero de Colliguayord 2len here0.22 km3%total6 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
29,9%
Pesticides
45,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2🌊 Marine · 2
Islotes Lobería y Lobería Iglesia de Piedra de Cobquecura
IUCN Not ReportedNature Sanctuary · 1992
3 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN