Humedales Chaco
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2004
4 822 km²
Department · ARG
General Obligado
Argentina
CfaTemperate, no dry season, hot summer(100 %)
Species observed
1 906
Observations
102 794
Area
11 109,7km²
Ecological tissue
Sample of 24 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 General Obligado : 22 espèces reliées par 20 interactions GloBI sur 3 types (connectance 7.2%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
24
Interactions affichées
20
Connectance
0.072
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
1 906 distinct species · 102 794 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
20,4°C
Annual rain
1 328mm
Warmest m°
31,3°C
Coldest m°
10,3°C
Elevation: 46 m on average (min 27 m, max 60 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
20,4°C
Annual rain
1 328mm
Warmest month
31,3°C
Coldest month
10,3°C
Mean alt.
46m
Min
27m
Max
60m
Std. dev.
9m
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
6,3
Org. C
18,4g/kg
Clay
25,9%
Sand
31,5%
Silt
42,6%
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
6,2
Org. C
27,9g/kg
Clay
24,0%
Sand
32,3%
Silt
43,7%
5–15 cm
pH H₂O
6,2
Org. C
16,4g/kg
Clay
24,3%
Sand
32,2%
Silt
43,5%
15–30 cm
pH H₂O
6,4
Org. C
10,7g/kg
Clay
29,5%
Sand
30,0%
Silt
40,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest24.7%
Crops11.9%
Built-up0.1%
Bare soil1.1%
Other (grassland, water…)62.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology41 basins · 50 lakes · 27 rivers
Hydrology metrics for this exact territory
Stream length here
1 180,3km
Lake surface here
61,41km²
Basins crossed
41
Max stream order
9
Max drainage
2 193 545km²
Discharge in basins
65 610,8m³/s
Mean precip.
1 143mm/an
Mean T°
20,5°C
Moisture idx
-0,25
Mean runoff
184mm/an
Mean elev. (basins)
50m
Watersheds crossing here
- Bassin de Río Los Amoressub-area2 288,6 km²overlap2285.33 km²21%
- Bassin de Arroyo El Reysub-area1 864,6 km²overlap1568.69 km²14%
- Bassin de Río Los Amoressub-area1 283,3 km²overlap1281.47 km²12%
- Bassin de Río Los Amoressub-area1 005,8 km²overlap1004.47 km²9%
- Bassin de Río Tapenagásub-area1 565,5 km²overlap715.81 km²6%
- Bassin de Arroyo Malabrigosub-area596,4 km²overlap581.01 km²5%
- Bassin de Arroyo El Reysub-area511,9 km²overlap497.98 km²4%
- Bassin de Río Los Amoressub-area1 062,7 km²overlap290.53 km²3%
- Bassin de Río Paranásub-area468,4 km²overlap249.62 km²2%
32 more basinssorted by overlap
- Bassin de Río Palometasub-area295,3 km²overlap244.24 km²2%
- Bassin de Arroyo la Ricasub-area1 912,1 km²overlap221.68 km²2%
- Bassin de Arroyo Malabrigosub-area377,5 km²overlap216.70 km²2%
- Bassin de Arroyo Malabrigosub-area190,1 km²overlap189.14 km²2%
- Bassin de Arroyo El Reysub-area582,7 km²overlap179.93 km²2%
- Bassin de Río Paraná Minísub-area533,2 km²overlap160.07 km²1%
- Bassin de Arroyo Malabrigosub-area553,3 km²overlap153.70 km²1%
- Bassin de Arroyo Malabrigosub-area175,8 km²overlap146.95 km²1%
- Bassin de Río San Javiersub-area448,6 km²overlap143.15 km²1%
- Bassin de Río Paranásub-area559,3 km²overlap132.24 km²1%
- Bassin de Río Paranásub-area119,9 km²overlap101.81 km²1%
- Bassin de Río Paranásub-area107,8 km²overlap93.20 km²1%
- Bassin de Arroyo Garabatosub-area479,2 km²overlap91.88 km²1%
- Bassin de Arroyo Malabrigosub-area85,5 km²overlap85.06 km²1%
- Bassin de Río Paranásub-area303,9 km²overlap81.81 km²1%
- Bassin de Río Tapenagásub-area422,2 km²overlap74.02 km²1%
- Bassin de Arroyo Garabatosub-area77,2 km²overlap68.76 km²1%
- Bassin de Riacho de Goyasub-area65,8 km²overlap44.33 km²0%
- Bassin de Río Tacuarísub-area160,1 km²overlap40.48 km²0%
- Bassin de Arroyo Gonzálezsub-area174,8 km²overlap35.72 km²0%
- Bassin de Río Paranásub-area44,1 km²overlap35.30 km²0%
- Bassin de Río Paranásub-area45,6 km²overlap23.01 km²0%
- Bassin de Arroyo Gusanosub-area1 163,1 km²overlap22.38 km²0%
- Bassin de Arroyo Saladillosub-area999,2 km²overlap19.83 km²0%
- Bassin de Río Paranásub-area34,1 km²overlap10.52 km²0%
- Bassin de Río Paranásub-area204,1 km²overlap7.57 km²0%
- Bassin de Arroyo El Reysub-area10,9 km²overlap4.04 km²0%
- Bassin de Arroyo El Tobasub-area102,1 km²overlap2.46 km²0%
- Bassin de Río Santa Lucíasub-area958,8 km²overlap2.34 km²0%
- Bassin de Arroyo El Tobasub-area259,4 km²overlap1.09 km²0%
- Bassin de Río Paraná Minísub-area27,8 km²overlap0.97 km²0%
- Bassin de Arroyo Garabatosub-area323,9 km²overlap0.41 km²0%
Lakes (50, top by area)
- Laguna del Medioarea7,8 km²avg depth1.0 m
- Laguna Merelearea6,3 km²avg depth2.4 m
- Lake #21210area3,6 km²avg depth1.6 m
- Lake #21299area3,2 km²avg depth1.2 m
- Lake #21179area2,8 km²avg depth0.9 m
- Laguna Torkarea1,9 km²avg depth0.9 m
- Lake #21180area1,8 km²avg depth0.9 m
- Lake #21176area1,7 km²avg depth0.6 m
- Lake #21225area1,6 km²avg depth0.6 m
41 more lakes
- Lake #21163area1,5 km²avg depth1.2 m
- Lake #21237area1,3 km²avg depth1.0 m
- Lake #21160area1,2 km²avg depth0.7 m
- Lake #21191area1,2 km²avg depth0.9 m
- Lake #21152area1,2 km²avg depth0.6 m
- Lake #21257area1,2 km²avg depth0.7 m
- Lac 1102428area1 km²avg depth1.7 m
- Lac 1102653area0,9 km²avg depth1.4 m
- Lac 1103114area0,9 km²avg depth1.2 m
- Lac 1102323area0,9 km²avg depth1.8 m
- Lac 1103127area0,9 km²avg depth1.3 m
- Lac 1102494area0,8 km²avg depth1.7 m
- Lac 1102331area0,8 km²avg depth1.7 m
- Lac 1102350area0,8 km²avg depth1.6 m
- Lac 1102561area0,8 km²avg depth1.4 m
- Lac 1102529area0,8 km²avg depth1.7 m
- Lac 1101982area0,8 km²avg depth1.6 m
- Lac 1102066area0,8 km²avg depth1.2 m
- Lac 1102628area0,8 km²avg depth1.1 m
- Lac 1102935area0,8 km²avg depth1.1 m
- Lac 1103024area0,8 km²avg depth1.5 m
- Lac 1102088area0,8 km²avg depth1.4 m
- Lac 1103209area0,7 km²avg depth1.5 m
- Lac 1103126area0,7 km²avg depth1.6 m
- Lac 1102234area0,7 km²avg depth1.6 m
- Lac 1103136area0,7 km²avg depth1.2 m
- Lac 1101969area0,7 km²avg depth2.3 m
- Lac 1102319area0,7 km²avg depth1.9 m
- Lac 1103080area0,7 km²avg depth2.0 m
- Lac 1102745area0,7 km²avg depth1.3 m
- Lac 1102591area0,7 km²avg depth1.2 m
- Lac 1102034area0,7 km²avg depth2.3 m
- Lac 1102594area0,7 km²avg depth1.4 m
- Lac 1102880area0,7 km²avg depth1.7 m
- Lac 1102465area0,7 km²avg depth1.5 m
- Lac 1102163area0,6 km²avg depth1.4 m
- Lac 1102692area0,6 km²avg depth1.1 m
- Lac 1103117area0,6 km²avg depth1.0 m
- Lac 1103483area0,6 km²avg depth1.4 m
- Lac 1102266area0,6 km²avg depth1.6 m
- Lac 1102693area0,6 km²avg depth1.0 m
Rivers / streams (27, ord ≥ 4)
- Río Los Amoresord 5len here269.82 km97%total278 km
- Arroyo El Reyord 4len here172.76 km78%total222 km
- Arroyo Malabrigoord 4len here169.78 km81%total209 km
- Río Tapenagáord 4len here149.56 km48%total310 km
- Río Paranáord 9len here84.30 km3%total2453 km
- San Jerónimoord 5len here75.25 km95%total79 km
- Paraná Miniord 3len here31.86 km100%total32 km
- Arroyo del Tapiaord 3len here28.08 km100%total28 km
- Arroyo Garabatoord 4len here22.92 km68%total33 km
- Arroyo la Ricaord 3len here20.71 km15%total137 km
- Río San Javierord 4len here19.06 km6%total316 km
- Río Palometaord 4len here18.89 km10%total185 km
15 more river segmentssorted by Strahler order + length
- Río Tacuaríord 4len here18.54 km64%total29 km
- Río Paraná Miníord 4len here16.25 km19%total86 km
- Arroyo El Timbóord 2len here12.78 km77%total17 km
- Brazo San Jeronimoord 1len here12.21 km94%total13 km
- Arroyo Aguilarord 1len here10.13 km100%total10 km
- Arroyo Saladilloord 9len here9.29 km2%total386 km
- Cañada Lozónord 1len here8.93 km100%total9 km
- Canal Balde de Oroord 1len here6.93 km100%total7 km
- Riacho Fioravantiord 1len here6.18 km64%total10 km
- Arroyo El Tobaord 4len here3.79 km3%total116 km
- Riacho de Goyaord 9len here3.78 km25%total15 km
- Zanjon del Mal Abrigoord 2len here2.86 km64%total4 km
- Arroyo Saladoord 2len here2.77 km100%total3 km
- Río Santa Lucíaord 4len here1.99 km1%total386 km
- Arroyo Gonzálezord 4len here0.89 km2%total50 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
14,4%
Pesticides
34,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 3📍 Point sites · 1
Jaaukanigás
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2001
4 403 km²
Isla El Tala
IUCN Not ReportedNature Reserve of Defense · 2012
69 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN