Humedales Chaco
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2004
4 822 km²
Department · ARG
Primero de Mayo
Argentina
CfaTemperate, no dry season, hot summer(100 %)
Species observed
1 767
Observations
47 308
Area
1 397,4km²
Ecological tissue
Sample of 22 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 Primero de Mayo : 18 espèces reliées par 18 interactions GloBI sur 3 types (connectance 7.1%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
23
Interactions affichées
18
Connectance
0.071
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
1 767 distinct species · 47 308 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
21,4°C
Annual rain
1 482mm
Warmest m°
31,8°C
Coldest m°
11,6°C
Elevation: 57 m on average (min 44 m, max 67 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
21,4°C
Annual rain
1 482mm
Warmest month
31,8°C
Coldest month
11,6°C
Mean alt.
57m
Min
44m
Max
67m
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
6,0
Org. C
17,2g/kg
Clay
23,1%
Sand
46,5%
Silt
30,4%
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
6,0
Org. C
25,6g/kg
Clay
22,4%
Sand
46,5%
Silt
31,1%
5–15 cm
pH H₂O
6,0
Org. C
16,2g/kg
Clay
22,8%
Sand
46,7%
Silt
30,6%
15–30 cm
pH H₂O
6,1
Org. C
9,8g/kg
Clay
24,2%
Sand
46,2%
Silt
29,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest37.7%
Crops1.5%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)60.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology9 basins · 19 lakes · 11 rivers
Hydrology metrics for this exact territory
Stream length here
281,5km
Lake surface here
7,74km²
Basins crossed
9
Max stream order
9
Max drainage
2 131 808km²
Discharge in basins
5 475,5m³/s
Mean precip.
1 263mm/an
Mean T°
21,6°C
Moisture idx
-0,19
Mean runoff
216mm/an
Mean elev. (basins)
63m
Watersheds crossing here
- Bassin de Arroyo El Embalsadosub-area1 957,3 km²overlap773.73 km²55%
- Bassin de Riacho Guaycurúsub-area1 066,2 km²overlap508.23 km²36%
- Bassin de Río Quiasub-area455,9 km²overlap79.52 km²6%
- Bassin de Río de Orosub-area3 142,1 km²overlap19.66 km²1%
- Bassin de Río Paranásub-area40,6 km²overlap11.56 km²1%
- Bassin de Río Paranásub-area118,8 km²overlap3.16 km²0%
- Bassin de Río Negrosub-area361,5 km²overlap1.04 km²0%
- Bassin de Río Paranásub-area61,7 km²overlap0.30 km²0%
- Bassin de Río Paranásub-area208,2 km²overlap0.30 km²0%
Lakes (19, top by area)
- Lake #21092area1,3 km²avg depth1.0 m
- Lake #21098area1,3 km²avg depth0.9 m
- Lac 1101214area0,8 km²avg depth2.5 m
- Lac 1101121area0,6 km²avg depth2.8 m
- Lac 1101252area0,6 km²avg depth2.0 m
- Lac 1101437area0,6 km²avg depth1.7 m
- Lac 1101342area0,5 km²avg depth3.0 m
- Lac 1101442area0,5 km²avg depth1.3 m
- Lac 1101412area0,5 km²avg depth1.8 m
10 more lakes
- Lac 1101507area0,3 km²avg depth1.8 m
- Lac 1101162area0,3 km²avg depth2.7 m
- Lac 1101369area0,3 km²avg depth1.9 m
- Lac 1101213area0,2 km²avg depth1.2 m
- Lac 1101345area0,2 km²avg depth1.9 m
- Lac 1101259area0,2 km²avg depth1.6 m
- Lac 1101403area0,1 km²avg depth1.3 m
- Lac 1101262area0,1 km²avg depth0.6 m
- Lac 1101486area0,1 km²avg depth1.5 m
- Lac 1101440area0,1 km²avg depth1.0 m
Rivers / streams (11, ord ≥ 4)
- Riacho Inéord 2len here85.87 km100%total86 km
- Río Tragaderoord 3len here38.50 km50%total77 km
- Riacho Guaycurúord 5len here34.13 km42%total81 km
- Arroyo Quintanaord 4len here29.03 km35%total84 km
- Arroyo El Embalsadoord 3len here28.20 km31%total92 km
- Río Guaycurúord 5len here26.50 km19%total142 km
- Río Paranáord 9len here14.40 km1%total2453 km
- Arroyo Tucáord 3len here12.38 km37%total34 km
- Río Quiaord 2len here8.86 km11%total79 km
- Riacho Atajoord 5len here2.10 km12%total17 km
- Riacho Barranquerasord 5len here1.48 km11%total13 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,5nW
Built-up
8,5%
Pesticides
46,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 1IUCN IV · 1IUCN Ia · 1
Isla Del Cerrito
IUCN IVProvincial Park · 2004
109 km²
Colonia Benítez
IUCN IaEducational Nature Reserve · 1990
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN