Ontologia

Region · rus

Saratov

Russia

DfaCold, no dry season, hot summer(59 %)

Species observed

5 734

Observations

107 572

Area

100 804km²

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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Saratov : 18 espèces reliées par 49 interactions GloBI sur 4 types (connectance 19.4%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
49
Connectance
0.194
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

5 734 distinct species · 107 572 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

107 572 obs · 50 cellules
Obs. / cellule
≥ 40 162
6 170–40 161
1 390–6 169
708–1 389
< 708

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

6,2°C

Annual rain

469mm

Warmest m°

26,7°C

Coldest m°

-12,2°C

Elevation: 119 m on average (min 13 m, max 362 m)

Bioclimatic detailsExpert
Annual mean temp.
6,2°C
Annual rain
469mm
Warmest month
26,7°C
Coldest month
-12,2°C
Mean alt.
119m
Min
13m
Max
362m
Std. dev.
72m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(59 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,0

Org. C

40,5g/kg

Clay

30,0%

Sand

27,7%

Silt

42,3%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
58,6g/kg
Clay
28,0%
Sand
29,0%
Silt
43,0%
5–15 cm
pH H₂O
7,1
Org. C
34,1g/kg
Clay
30,0%
Sand
27,6%
Silt
42,4%
15–30 cm
pH H₂O
7,1
Org. C
28,8g/kg
Clay
32,0%
Sand
26,5%
Silt
41,5%

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

Land cover

Forest6.3%
Crops59.0%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)34.5%

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

Hydrology177 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

10 321,4km

Lake surface here

1 992,71km²

Basins crossed

177

Max stream order

9

Max drainage

1 341 252km²

Discharge in basins

87 734,7m³/s

Mean precip.

450mm/an

Mean T°

5,7°C

Moisture idx

-0,43

Max snow

35%

Mean runoff

89mm/an

Mean elev. (basins)

115m

Watersheds crossing here

168 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (100, ord ≥ 4)

88 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

12,2%

Pesticides

3,1kg/km²

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

Protected areas100

IUCN III · 69IUCN Not Reported · 22IUCN IV · 3IUCN Ia · 3IUCN II · 3📍 Point sites · 2

Saratovskij

IUCN IV

State Natural Zakaznik · 1983

443 km²

Complete list

+ 40 protected areas (top 60 shown)

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations43