Humedales Chaco
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2004
4 822 km²
Department · ARG
San Fernando
Argentina
CfaTemperate, no dry season, hot summer(100 %)
Species observed
1 556
Observations
69 144
Area
3 558,3km²
Ecological tissue
Sample of 27 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 San Fernando : 24 espèces reliées par 22 interactions GloBI sur 3 types (connectance 6.3%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
27
Interactions affichées
22
Connectance
0.063
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
1 556 distinct species · 69 144 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
21,1°C
Annual rain
1 453mm
Warmest m°
31,6°C
Coldest m°
11,3°C
Elevation: 50 m on average (min 40 m, max 61 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
21,1°C
Annual rain
1 453mm
Warmest month
31,6°C
Coldest month
11,3°C
Mean alt.
50m
Min
40m
Max
61m
Std. dev.
5m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot 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
18,0g/kg
Clay
24,9%
Sand
42,2%
Silt
32,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
27,4g/kg
Clay
23,9%
Sand
42,6%
Silt
33,5%
5–15 cm
pH H₂O
6,2
Org. C
16,6g/kg
Clay
24,2%
Sand
42,6%
Silt
33,2%
15–30 cm
pH H₂O
6,3
Org. C
9,9g/kg
Clay
26,6%
Sand
41,2%
Silt
32,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest32.5%
Crops3.0%
Built-up0.7%
Bare soil0.4%
Other (grassland, water…)63.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology18 basins · 50 lakes · 17 rivers
Hydrology metrics for this exact territory
Stream length here
561,7km
Lake surface here
37,59km²
Basins crossed
18
Max stream order
9
Max drainage
2 137 620km²
Discharge in basins
14 770,5m³/s
Mean precip.
1 197mm/an
Mean T°
21,0°C
Moisture idx
-0,21
Mean runoff
223mm/an
Mean elev. (basins)
54m
Watersheds crossing here
- Bassin de Arroyo Saladillosub-area999,2 km²overlap770.25 km²22%
- Bassin de Río Saladosub-area1 225,1 km²overlap612.71 km²17%
- Bassin de Arroyo Saladitosub-area545,2 km²overlap464.69 km²13%
- Bassin de Río Paraná Minísub-area533,2 km²overlap358.83 km²10%
- Bassin de Río Paraná Minísub-area330,3 km²overlap329.77 km²9%
- Bassin de Río Saladosub-area201,5 km²overlap201.14 km²6%
- Bassin de Río Paranásub-area444,8 km²overlap155.69 km²4%
- Bassin de Río Negrosub-area361,5 km²overlap140.57 km²4%
- Bassin de Río Tapenagásub-area422,2 km²overlap134.25 km²4%
9 more basinssorted by overlap
- Bassin de Río Tacuarísub-area160,1 km²overlap119.23 km²3%
- Bassin de Río Paranásub-area118,8 km²overlap95.96 km²3%
- Bassin de Río Paranásub-area107,9 km²overlap48.34 km²1%
- Bassin de Río Palometasub-area295,3 km²overlap46.76 km²1%
- Bassin de Arroyo El Embalsadosub-area1 957,3 km²overlap43.73 km²1%
- Bassin de Río Tapenagásub-area1 565,5 km²overlap28.74 km²1%
- Bassin de Arroyo Chajásub-area500,7 km²overlap3.91 km²0%
- Bassin de Río Palometasub-area1 055,5 km²overlap2.27 km²0%
- Bassin de Arroyo Gonzálezsub-area174,8 km²overlap1.50 km²0%
Lakes (50, top by area)
- Laguna Merelearea6,3 km²avg depth2.4 m
- Laguna Bravaarea3,5 km²avg depth1.1 m
- Laguna Domínguezarea1,9 km²avg depth1.6 m
- Laguna Garzalarea1,9 km²avg depth1.2 m
- Laguna Sarampiónarea1,6 km²avg depth1.1 m
- Laguna de las Casasarea1,4 km²avg depth0.7 m
- Lake #21141area1,4 km²avg depth1.0 m
- Lake #21152area1,2 km²avg depth0.6 m
- Lake #21144area1 km²avg depth0.6 m
41 more lakes
- Lac 1101656area0,9 km²avg depth1.9 m
- Lac 1101822area0,9 km²avg depth1.7 m
- Lac 1101863area0,9 km²avg depth1.9 m
- Lac 1101642area0,9 km²avg depth1.6 m
- Lac 1101827area0,9 km²avg depth2.0 m
- Lac 1101611area0,8 km²avg depth1.7 m
- Lac 1101843area0,8 km²avg depth1.8 m
- Lac 1101772area0,7 km²avg depth2.0 m
- Lac 1101681area0,7 km²avg depth1.8 m
- Lac 1101787area0,7 km²avg depth1.5 m
- Lac 1101560area0,7 km²avg depth1.9 m
- Lac 1101761area0,7 km²avg depth1.8 m
- Lac 1101705area0,7 km²avg depth1.5 m
- Lac 1101576area0,6 km²avg depth2.0 m
- Lac 1101777area0,6 km²avg depth1.8 m
- Lac 1101814area0,6 km²avg depth2.0 m
- Lac 1101602area0,6 km²avg depth2.2 m
- Lac 1101649area0,5 km²avg depth2.2 m
- Lac 1101861area0,5 km²avg depth2.1 m
- Lac 1101580area0,5 km²avg depth1.7 m
- Lac 1101866area0,5 km²avg depth2.4 m
- Lac 1101557area0,5 km²avg depth1.8 m
- Lac 1101755area0,5 km²avg depth1.7 m
- Lac 1101563area0,5 km²avg depth1.5 m
- Lac 1101727area0,4 km²avg depth2.1 m
- Lac 1101686area0,4 km²avg depth1.1 m
- Lac 1101752area0,4 km²avg depth1.2 m
- Lac 1101819area0,4 km²avg depth0.7 m
- Lac 1101812area0,4 km²avg depth1.5 m
- Lac 1101841area0,4 km²avg depth1.6 m
- Lac 1101552area0,4 km²avg depth1.3 m
- Lac 1101635area0,4 km²avg depth2.0 m
- Lac 1101612area0,4 km²avg depth1.7 m
- Lac 1101693area0,4 km²avg depth1.7 m
- Lac 1101657area0,4 km²avg depth1.2 m
- Lac 1101641area0,4 km²avg depth1.4 m
- Lac 1101797area0,4 km²avg depth1.5 m
- Lac 1101713area0,4 km²avg depth1.3 m
- Lac 1101771area0,4 km²avg depth1.5 m
- Lac 1101835area0,4 km²avg depth1.2 m
- Lac 1101764area0,4 km²avg depth1.4 m
Rivers / streams (17, ord ≥ 4)
- Río Saladoord 7len here145.16 km5%total2667 km
- Río Palometaord 4len here68.50 km37%total185 km
- Río Paraná Miníord 4len here68.47 km79%total86 km
- Arroyo Saladilloord 9len here57.54 km15%total386 km
- Arroyo Saladitoord 4len here57.17 km100%total57 km
- Río Paranáord 9len here36.31 km1%total2453 km
- Arroyo Palmiraord 2len here28.01 km100%total28 km
- Río Tapenagáord 4len here23.12 km7%total310 km
- Río Negroord 6len here19.46 km2%total888 km
- Arroyo El Chanchoord 2len here16.15 km100%total16 km
- Riacho Barranquerasord 5len here11.70 km89%total13 km
- Río Tacuaríord 4len here9.21 km32%total29 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,9nW
Built-up
65,0%
Pesticides
26,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2📍 Point sites · 1
Jaaukanigás
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2001
4 403 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN