Ontologia

District · RUS

Samara

Russia

DfbCold, no dry season, warm summer(100 %)

Species observed

1 296

Observations

11 268

Area

206km²

Ecological tissue

Sample of 36 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 Samara : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 103 interactions GloBI sur 5 types (connectance 15.5%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
103
Connectance
0.155
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

1 296 distinct species · 11 268 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 268 obs · 5 cellules
Obs. / cellule
≥ 4 682
4 682–4 681
4 425–4 681
1 477–4 424
< 1 477

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

Climate

Mean T°

5,4°C

Annual rain

512mm

Warmest m°

25,7°C

Coldest m°

-13,2°C

Elevation: 55 m on average (min 27 m, max 147 m)

Bioclimatic detailsExpert
Annual mean temp.
5,4°C
Annual rain
512mm
Warmest month
25,7°C
Coldest month
-13,2°C
Mean alt.
55m
Min
27m
Max
147m
Std. dev.
33m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold

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

41,5g/kg

Clay

33,4%

Sand

22,6%

Silt

44,0%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
60,0g/kg
Clay
31,4%
Sand
23,3%
Silt
45,3%
5–15 cm
pH H₂O
6,6
Org. C
40,7g/kg
Clay
33,1%
Sand
22,6%
Silt
44,2%
15–30 cm
pH H₂O
6,7
Org. C
23,8g/kg
Clay
35,8%
Sand
21,8%
Silt
42,3%

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

Land cover

Forest6.1%
Crops10.0%
Built-up7.9%
Bare soil0.1%
Other (grassland, water…)75.9%

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

Hydrology3 basins · 8 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

42,3km

Lake surface here

3,17km²

Basins crossed

3

Max stream order

9

Max drainage

1 267 207km²

Discharge in basins

1 361,3m³/s

Mean precip.

525mm/an

Mean T°

4,7°C

Moisture idx

-0,26

Max snow

31%

Mean runoff

106mm/an

Mean elev. (basins)

91m

Watersheds crossing here

Lakes (8, top by area)

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

Human pressure

Pop. density

21hab/km²

Night light

36,4nW

Built-up

791,1%

Pesticides

2,6kg/km²

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

Protected areas3

IUCN Not Applicable · 1IUCN II · 1IUCN III · 1

Middle Volga

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 2006

1 648 km²

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