Ontologia

Part · ARG

Luján

Argentina

CfaTemperate, no dry season, hot summer(100 %)

Species observed

611

Observations

18 085

Area

769,6km²

Ecological tissue

Sample of 34 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 Luján : 28 espèces reliées par 41 interactions GloBI sur 4 types (connectance 6.9%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
41
Connectance
0.069
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

611 distinct species · 18 085 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

18 085 obs · 29 cellules
Obs. / cellule
≥ 4 872
2 744–4 871
507–2 743
101–506
< 101

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

16,6°C

Annual rain

1 098mm

Warmest m°

29,4°C

Coldest m°

5,8°C

Elevation: 31 m on average (min 12 m, max 42 m)

Bioclimatic detailsExpert
Annual mean temp.
16,6°C
Annual rain
1 098mm
Warmest month
29,4°C
Coldest month
5,8°C
Mean alt.
31m
Min
12m
Max
42m
Std. dev.
6m
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

6,6

Org. C

23,7g/kg

Clay

27,7%

Sand

12,8%

Silt

59,5%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
33,6g/kg
Clay
25,6%
Sand
13,4%
Silt
61,0%
5–15 cm
pH H₂O
6,6
Org. C
21,5g/kg
Clay
26,6%
Sand
13,0%
Silt
60,4%
15–30 cm
pH H₂O
6,8
Org. C
16,1g/kg
Clay
30,8%
Sand
12,2%
Silt
57,0%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest5.5%
Crops49.9%
Built-up1.3%
Bare soil0.4%
Other (grassland, water…)42.9%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology5 basins · 0 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

115,2km

Basins crossed

5

Max stream order

4

Max drainage

2 799km²

Discharge in basins

19,9m³/s

Mean precip.

1 030mm/an

Mean T°

16,4°C

Moisture idx

-0,24

Mean runoff

395mm/an

Mean elev. (basins)

24m

Watersheds crossing here

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

1hab/km²

Night light

4,3nW

Built-up

126,5%

Pesticides

71,4kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)