Part · ARG
Bahía Blanca
Argentina
Species observed
1 188
Observations
28 341
Area
2 269,7km²
Ecological tissue
Sample of 33 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 Bahía Blanca : 23 espèces reliées par 46 interactions GloBI sur 3 types (connectance 7.7%, filtre Serrano α=0.2). 12 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
1 188 distinct species · 28 341 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,1°C
Annual rain
702mm
Warmest m°
29,2°C
Coldest m°
4,5°C
Elevation: 110 m on average (min -25 m, max 248 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
7,3
Org. C
21,7g/kg
Clay
28,2%
Sand
35,1%
Silt
36,7%
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
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology9 basins · 5 lakes · 14 rivers
Hydrology metrics for this exact territory
Stream length here
336,6km
Lake surface here
0,75km²
Basins crossed
9
Max stream order
4
Max drainage
2 358km²
Discharge in basins
4,0m³/s
Mean precip.
643mm/an
Mean T°
14,7°C
Moisture idx
-0,49
Mean runoff
108mm/an
Mean elev. (basins)
152m
Watersheds crossing here
- Bassin de Arroyo Napostá Grandesub-area1 294,8 km²overlap673.00 km²30%
- Bassin de Arroyo Saladillo de Garcíasub-area887,6 km²overlap584.43 km²26%
- Bassin de Arroyo Napostá Grandesub-area832,8 km²overlap511.70 km²23%
- Bassin de Arroyo Bajo Hondo o Napostá Chicosub-area1 335,2 km²overlap324.72 km²14%
- Bassin de Río Sauce Chicosub-area1 634,2 km²overlap133.69 km²6%
- Bassin de Río Sauce Grandesub-area802,7 km²overlap38.53 km²2%
- Basin #18580sub-area642,2 km²overlap2.64 km²0%
- Basin #18570sub-area1,5 km²overlap0.89 km²0%
- Basin #18590sub-area490,8 km²overlap0.07 km²0%
Lakes (5, top by area)
Rivers / streams (14, ord ≥ 4)
- Arroyo Bajo Hondo o Napostá Chicoord 3len here54.58 km61%total90 km
- Arroyo Saladillo de Garcíaord 2len here54.53 km93%total59 km
- Arroyo Los Leonesord 3len here51.18 km88%total58 km
- Arroyo Saladillo de Garcíaord 3len here38.94 km100%total39 km
- Arroyo Saladilloord 4len here37.48 km57%total66 km
- Arroyo Napostá Grandeord 4len here30.52 km35%total88 km
- Arroyo Napostá Chicoord 3len here16.99 km33%total51 km
- Río Sauce Chicoord 4len here10.62 km6%total183 km
- Arroyo Napostá Grandeord 2len here9.11 km100%total9 km
- Arroyo El Divisorioord 4len here8.90 km14%total63 km
- Arroyo Saladillo Dulceord 3len here7.40 km100%total7 km
- Arroyo Bajo Hondoord 1len here6.99 km56%total13 km
2 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
3,1nW
Built-up
96,5%
Pesticides
10,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)