Ontologia

District · RUS

Privolzhskiy rayon

Russia

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

Species observed

1 041

Observations

2 398

Area

559,3km²

Ecological tissue

Sample of 38 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 Privolzhskiy rayon : 30 espèces reliées par 81 interactions GloBI sur 5 types (connectance 11.5%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
81
Connectance
0.115
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

1 041 distinct species · 2 398 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 398 obs · 16 cellules
Obs. / cellule
≥ 859
814–858
86–813
34–85
< 34

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

Climate

Mean T°

4,2°C

Annual rain

637mm

Warmest m°

22,4°C

Coldest m°

-11,9°C

Elevation: 128 m on average (min 95 m, max 160 m)

Bioclimatic detailsExpert
Annual mean temp.
4,2°C
Annual rain
637mm
Warmest month
22,4°C
Coldest month
-11,9°C
Mean alt.
128m
Min
95m
Max
160m
Std. dev.
15m
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

5,7

Org. C

94,5g/kg

Clay

18,4%

Sand

52,8%

Silt

28,8%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
128,4g/kg
Clay
18,3%
Sand
52,1%
Silt
29,6%
5–15 cm
pH H₂O
5,7
Org. C
92,4g/kg
Clay
17,8%
Sand
53,4%
Silt
28,8%
15–30 cm
pH H₂O
5,8
Org. C
62,6g/kg
Clay
19,0%
Sand
52,9%
Silt
28,1%

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

Land cover

Forest42.5%
Crops23.9%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)33.4%

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

Hydrology5 basins · 4 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

113,6km

Lake surface here

0,77km²

Basins crossed

5

Max stream order

7

Max drainage

186 155km²

Discharge in basins

165,6m³/s

Mean precip.

622mm/an

Mean T°

4,2°C

Moisture idx

0,01

Max snow

41%

Mean runoff

170mm/an

Mean elev. (basins)

129m

Watersheds crossing here

Lakes (4, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,7nW

Built-up

12,8%

Pesticides

3,5kg/km²

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