Ontologia

District · RUS

Tret'yakovskiy rayon

Russia

DfbCold, no dry season, warm summer(98 %)

Species observed

810

Observations

2 929

Area

1 517,8km²

Ecological tissue

Sample of 17 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 Tret'yakovskiy rayon : 13 espèces reliées par 22 interactions GloBI sur 3 types (connectance 16.2%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
17
Interactions affichées
22
Connectance
0.162
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

810 distinct species · 2 929 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 929 obs · 37 cellules
Obs. / cellule
≥ 511
208–510
91–207
41–90
< 41

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

Climate

Mean T°

2,9°C

Annual rain

765mm

Warmest m°

24,1°C

Coldest m°

-17,4°C

Elevation: 469 m on average (min 287 m, max 872 m)

Bioclimatic detailsExpert
Annual mean temp.
2,9°C
Annual rain
765mm
Warmest month
24,1°C
Coldest month
-17,4°C
Mean alt.
469m
Min
287m
Max
872m
Std. dev.
148m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(98 %)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

43,0g/kg

Clay

28,3%

Sand

36,1%

Silt

35,6%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
65,1g/kg
Clay
27,9%
Sand
36,4%
Silt
35,7%
5–15 cm
pH H₂O
6,6
Org. C
38,9g/kg
Clay
28,5%
Sand
35,8%
Silt
35,7%
15–30 cm
pH H₂O
6,7
Org. C
25,2g/kg
Clay
28,6%
Sand
35,9%
Silt
35,5%

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

Land cover

Forest25.3%
Crops30.7%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)43.9%

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

Hydrology4 basins · 3 lakes · 41 rivers

Hydrology metrics for this exact territory

Stream length here

375,2km

Lake surface here

17,17km²

Basins crossed

4

Max stream order

4

Max drainage

5 297km²

Discharge in basins

8,6m³/s

Mean precip.

569mm/an

Mean T°

2,1°C

Moisture idx

-0,26

Max snow

49%

Mean runoff

195mm/an

Mean elev. (basins)

437m

Watersheds crossing here

Lakes (3, top by area)

Rivers / streams (41, ord ≥ 4)

29 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

6,8%

Pesticides

2,3kg/km²

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

Protected areas2

IUCN Ia · 1IUCN IV · 1

Tigirekskij

IUCN Ia

State Natural Zapovednik · 1999

415 km²

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