Ontologia

Republic · rus

Tatarstan

Russia

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

Species observed

8 252

Observations

235 847

Area

68 871,4km²

Ecological tissue

Sample of 51 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 Tatarstan : 14 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 240 interactions GloBI sur 6 types (connectance 11.9%, filtre Serrano α=0.2). 50 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
64
Interactions affichées
240
Connectance
0.119
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

8 252 distinct species · 235 847 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

235 847 obs · 56 cellules
Obs. / cellule
≥ 57 134
10 822–57 133
2 670–10 821
1 550–2 669
< 1 550

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

Climate

Mean T°

4,0°C

Annual rain

537mm

Warmest m°

23,7°C

Coldest m°

-14,0°C

Elevation: 141 m on average (min 50 m, max 366 m)

Bioclimatic detailsExpert
Annual mean temp.
4,0°C
Annual rain
537mm
Warmest month
23,7°C
Coldest month
-14,0°C
Mean alt.
141m
Min
50m
Max
366m
Std. dev.
56m
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

6,1

Org. C

53,2g/kg

Clay

27,8%

Sand

34,0%

Silt

38,2%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
86,6g/kg
Clay
26,9%
Sand
34,5%
Silt
38,7%
5–15 cm
pH H₂O
6,1
Org. C
46,8g/kg
Clay
27,5%
Sand
34,2%
Silt
38,3%
15–30 cm
pH H₂O
6,1
Org. C
26,2g/kg
Clay
29,1%
Sand
33,4%
Silt
37,5%

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

Land cover

Forest21.1%
Crops42.3%
Built-up0.3%
Bare soil0.1%
Other (grassland, water…)36.2%

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

Hydrology140 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

7 938,6km

Lake surface here

3 231,76km²

Basins crossed

140

Max stream order

9

Max drainage

1 185 443km²

Discharge in basins

77 888,2m³/s

Mean precip.

552mm/an

Mean T°

3,5°C

Moisture idx

-0,18

Max snow

45%

Mean runoff

181mm/an

Mean elev. (basins)

138m

Watersheds crossing here

131 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

1,8nW

Built-up

25,6%

Pesticides

3,7kg/km²

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

Protected areas100

IUCN III · 60IUCN IV · 31IUCN Not Applicable · 5IUCN II · 3IUCN Ia · 1📍 Point sites · 7

Agryzskij

IUCN IV

State Natural Zakaznik · 1984

295 km²

Complete list

+ 40 protected areas (top 60 shown)

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

Sub-administrations49