City · RUS
Astrakhan'
Russia
Species observed
773
Observations
2 213
Area
205,5km²
Ecological tissue
Sample of 49 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 Astrakhan' : 32 espèces reliées par 135 interactions GloBI sur 5 types (connectance 11.5%, filtre Serrano α=0.2). 17 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
773 distinct species · 2 213 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,5°C
Annual rain
233mm
Warmest m°
31,2°C
Coldest m°
-6,6°C
Elevation: -22 m on average (min -24 m, max -20 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
7,5
Org. C
33,0g/kg
Clay
33,8%
Sand
29,4%
Silt
36,9%
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)
Hydrology3 basins · 2 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
31,8km
Lake surface here
0,30km²
Basins crossed
3
Max stream order
2
Max drainage
1 391 648km²
Discharge in basins
35,6m³/s
Mean precip.
212mm/an
Mean T°
10,2°C
Moisture idx
-0,79
Max snow
4%
Mean runoff
7mm/an
Mean elev. (basins)
-26m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
5hab/km²
Night light
6,4nW
Built-up
473,7%
Pesticides
2,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)