Ontologia

District · RUS

Tikhvinskiy rayon

Russia

DfbCold, no dry season, warm summer(94 %)

Species observed

1 080

Observations

2 661

Area

7 162,3km²

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 Tikhvinskiy rayon : 32 espèces reliées par 72 interactions GloBI sur 5 types (connectance 11.4%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
72
Connectance
0.114
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

1 080 distinct species · 2 661 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 661 obs · 104 cellules
Obs. / cellule
≥ 175
60–174
13–59
4–12
< 4

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

Climate

Mean T°

4,0°C

Annual rain

842mm

Warmest m°

21,6°C

Coldest m°

-11,1°C

Elevation: 104 m on average (min 29 m, max 261 m)

Bioclimatic detailsExpert
Annual mean temp.
4,0°C
Annual rain
842mm
Warmest month
21,6°C
Coldest month
-11,1°C
Mean alt.
104m
Min
29m
Max
261m
Std. dev.
64m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(94 %)Cold

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

Soil & lithology

pH H₂O

5,1

Org. C

143,2g/kg

Clay

16,5%

Sand

43,8%

Silt

39,7%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
238,5g/kg
Clay
16,4%
Sand
43,1%
Silt
40,6%
5–15 cm
pH H₂O
5,0
Org. C
139,3g/kg
Clay
16,1%
Sand
43,9%
Silt
40,0%
15–30 cm
pH H₂O
5,3
Org. C
51,8g/kg
Clay
17,0%
Sand
44,3%
Silt
38,7%

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

Land cover

Forest72.6%
Crops2.1%
Built-up0.0%
Bare soil0.1%
Other (grassland, water…)25.1%

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

Hydrology22 basins · 50 lakes · 62 rivers

Hydrology metrics for this exact territory

Stream length here

1 423,1km

Lake surface here

48,15km²

Basins crossed

22

Max stream order

5

Max drainage

7 340km²

Discharge in basins

165,9m³/s

Mean precip.

709mm/an

Mean T°

3,1°C

Moisture idx

0,18

Max snow

53%

Mean runoff

284mm/an

Mean elev. (basins)

116m

Lakes (50, top by area)

41 more lakes

Rivers / streams (62, ord ≥ 4)

50 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

2,7%

Pesticides

1,6kg/km²

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

Protected areas2

IUCN II · 1IUCN IV · 1

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