Department · ARG
Unión
Argentina
Species observed
888
Observations
21 528
Area
10 692,9km²
Ecological tissue
Sample of 21 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).
Indicateurs du tissu écologique
Tissu écologique de Unión : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 3 types (connectance 11.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
888 distinct species · 21 528 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
17,4°C
Annual rain
971mm
Warmest m°
29,5°C
Coldest m°
6,3°C
Elevation: 127 m on average (min 102 m, max 188 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,8
Org. C
15,9g/kg
Clay
23,1%
Sand
25,9%
Silt
51,0%
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
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology27 basins · 50 lakes · 15 rivers
Hydrology metrics for this exact territory
Stream length here
482,6km
Lake surface here
89,93km²
Basins crossed
27
Max stream order
5
Max drainage
13 896km²
Discharge in basins
85,0m³/s
Mean precip.
810mm/an
Mean T°
16,9°C
Moisture idx
-0,43
Mean runoff
45mm/an
Mean elev. (basins)
148m
Watersheds crossing here
- Bassin de Canal La Bravasub-area2 156,5 km²overlap1268.83 km²12%
- Bassin de Canal San Antoniosub-area1 777,7 km²overlap1084.82 km²10%
- Bassin de Río Tercerosub-area1 657,7 km²overlap936.07 km²9%
- Bassin de Canal Litin Tortugassub-area1 452,6 km²overlap802.71 km²8%
- Bassin de Arroyo Cabralsub-area1 337,5 km²overlap786.06 km²7%
- Bassin de Arroyo Algodónsub-area1 507,7 km²overlap643.29 km²6%
- Bassin de Río Cuartosub-area615,6 km²overlap596.33 km²6%
- Bassin de Río Saladillosub-area581,2 km²overlap561.97 km²5%
- Bassin de Canal Devotosub-area1 522,1 km²overlap556.31 km²5%
18 more basinssorted by overlap
- Bassin de Río Tercerosub-area605,7 km²overlap482.59 km²5%
- Bassin de Canal desviador a Río Tercerosub-area522,4 km²overlap451.02 km²4%
- Bassin de San Josésub-area424,6 km²overlap414.02 km²4%
- Bassin de Arroyo Teguasub-area2 266,6 km²overlap402.05 km²4%
- Bassin de Arroyo Algodónsub-area1 554,3 km²overlap360.92 km²3%
- Basin #85480sub-area323,1 km²overlap322.98 km²3%
- Basin #41600sub-area1 494,7 km²overlap215.62 km²2%
- Basin #73670sub-area2 238,8 km²overlap161.16 km²2%
- Bassin de Río Saladillosub-area131,5 km²overlap130.87 km²1%
- Bassin de Río Cuartosub-area2 706,4 km²overlap119.68 km²1%
- Bassin de San Josésub-area564,1 km²overlap114.61 km²1%
- Bassin de Río Tercerosub-area421,9 km²overlap110.66 km²1%
- Bassin de Arroyo Chuculsub-area2 577,3 km²overlap56.11 km²1%
- Bassin de Arroyo Chazónsub-area55,5 km²overlap55.48 km²1%
- Bassin de San Josésub-area712,7 km²overlap42.62 km²0%
- Bassin de Río Saladillosub-area99,7 km²overlap15.73 km²0%
- Bassin de Canal San Antoniosub-area1 824,2 km²overlap0.82 km²0%
- Basin #73030sub-area120,4 km²overlap0.13 km²0%
Lakes (50, top by area)
- Laguna La Bravaarea22 km²avg depth1.0 m
- Laguna Las Salinasarea14 km²avg depth1.0 m
- Lake #21845area3,8 km²avg depth1.7 m
- Lake #21778area3,2 km²avg depth1.0 m
- Lake #21769area3,1 km²avg depth0.9 m
- Lake #21814area2,9 km²avg depth1.3 m
- Lake #21796area2,8 km²avg depth0.7 m
- Lake #21800area2,3 km²avg depth0.8 m
- Lake #21819area2 km²avg depth0.6 m
41 more lakes
- Laguna de Sobaarea1,9 km²avg depth0.7 m
- Lake #21788area1,7 km²avg depth0.7 m
- Lake #21817area1,7 km²avg depth0.8 m
- Laguna El Trébolarea1,6 km²avg depth0.5 m
- Lake #21793area1,6 km²avg depth0.7 m
- Lake #21848area1,5 km²avg depth0.7 m
- Lake #21810area1,5 km²avg depth0.8 m
- Lake #21780area1,3 km²avg depth1.2 m
- Lake #21774area1,3 km²avg depth1.0 m
- Lake #21813area1,3 km²avg depth0.9 m
- Lake #21860area1,2 km²avg depth1.3 m
- Lake #21794area1,2 km²avg depth1.1 m
- Lake #21783area1,1 km²avg depth1.0 m
- Lake #21834area1,1 km²avg depth1.3 m
- Lake #21807area1,1 km²avg depth0.9 m
- Lake #21768area1,1 km²avg depth1.0 m
- Lake #21786area1,1 km²avg depth0.8 m
- Lake #21759area1,1 km²avg depth1.1 m
- Laguna Palo Blancoarea1 km²avg depth0.8 m
- Lake #21715area1 km²avg depth1.6 m
- Lac 1108112area1 km²avg depth1.9 m
- Lac 1108076area0,9 km²avg depth1.2 m
- Lac 1107687area0,9 km²avg depth1.7 m
- Lac 1108034area0,9 km²avg depth1.5 m
- Lac 1108169area0,9 km²avg depth1.6 m
- Lac 1107781area0,8 km²avg depth2.0 m
- Lac 1108163area0,8 km²avg depth0.9 m
- Lac 1108235area0,8 km²avg depth2.1 m
- Lac 1108019area0,8 km²avg depth1.7 m
- Lac 1107947area0,8 km²avg depth2.0 m
- Lac 1107888area0,8 km²avg depth1.9 m
- Lac 1108017area0,8 km²avg depth1.7 m
- Lac 1107190area0,7 km²avg depth1.6 m
- Lac 1108099area0,7 km²avg depth1.7 m
- Lac 1107469area0,7 km²avg depth1.8 m
- Lac 1108296area0,7 km²avg depth1.7 m
- Lac 1107622area0,7 km²avg depth1.7 m
- Lac 1107794area0,6 km²avg depth1.7 m
- Lac 1108020area0,6 km²avg depth1.5 m
- Lac 1108456area0,6 km²avg depth1.9 m
- Lac 1108186area0,6 km²avg depth2.1 m
Rivers / streams (15, ord ≥ 4)
- Río Saladilloord 5len here83.35 km23%total356 km
- Río Terceroord 5len here77.26 km17%total460 km
- San Joséord 3len here76.88 km97%total79 km
- Arroyo Chazónord 5len here46.71 km56%total84 km
- Arroyo Algodónord 4len here39.22 km34%total115 km
- Canal desviador a Río Terceroord 3len here38.12 km100%total38 km
- Río Cuartoord 5len here32.81 km12%total276 km
- Canal Litin Tortugasord 5len here31.18 km28%total113 km
- Canal La Bravaord 2len here23.50 km100%total24 km
- Canal desviador a Rio Terceroord 3len here14.30 km44%total32 km
- Canal La Bravaord 1len here7.96 km100%total8 km
- Canal La Bravaord 2len here5.43 km100%total5 km
3 more river segmentssorted by Strahler order + length
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
43,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)